./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/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 6775cf40df2c7fe85c2d16019d10d145a8673615 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:41:11,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:11,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:11,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:11,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:11,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:11,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:11,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:11,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:11,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:11,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:11,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:11,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:11,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:11,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:11,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:11,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:11,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:11,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:11,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:11,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:11,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:11,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:11,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:11,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:11,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:11,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:11,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:11,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:11,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:11,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:11,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:11,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:11,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:12,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:12,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:12,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:12,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:12,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:12,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:12,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:12,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:41:12,058 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:12,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:12,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:41:12,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:41:12,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:12,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:12,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:12,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:41:12,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:12,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:41:12,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:12,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:41:12,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:12,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:41:12,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:41:12,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:41:12,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:12,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:41:12,066 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:12,066 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:12,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:12,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:12,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:12,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:12,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:12,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:41:12,068 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:12,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:12,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:41:12,069 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_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2020-11-28 04:41:12,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:12,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:12,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:12,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:12,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:12,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-28 04:41:12,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/data/8c6a01cec/d34a95ff0fd14ad0aee7787ea3c95024/FLAGfc1f5d563 [2020-11-28 04:41:13,159 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:13,160 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2020-11-28 04:41:13,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/data/8c6a01cec/d34a95ff0fd14ad0aee7787ea3c95024/FLAGfc1f5d563 [2020-11-28 04:41:13,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/data/8c6a01cec/d34a95ff0fd14ad0aee7787ea3c95024 [2020-11-28 04:41:13,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:13,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:13,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:13,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:13,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:13,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:13,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ea2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13, skipping insertion in model container [2020-11-28 04:41:13,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:13,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:13,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:13,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:13,860 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:13,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:13,971 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:13,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13 WrapperNode [2020-11-28 04:41:13,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:13,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:13,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:13,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:13,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:14,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:14,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:14,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:14,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... [2020-11-28 04:41:14,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:14,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:14,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:14,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:14,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/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 04:41:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:41:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:41:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:41:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:41:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:41:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:41:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:41:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:41:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:41:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:41:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:41:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:41:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:41:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:41:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:41:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:41:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:15,395 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:15,396 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:41:15,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:15 BoogieIcfgContainer [2020-11-28 04:41:15,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:15,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:15,400 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:15,416 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:15,416 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:15" (1/1) ... [2020-11-28 04:41:15,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-11-28 04:41:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-11-28 04:41:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:41:15,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:15,741 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 04:41:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2020-11-28 04:41:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-11-28 04:41:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:41:15,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:15,900 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 04:41:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-11-28 04:41:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-11-28 04:41:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:41:15,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:16,108 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 04:41:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2020-11-28 04:41:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2020-11-28 04:41:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:41:16,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:16,510 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 04:41:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2020-11-28 04:41:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2020-11-28 04:41:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:41:16,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:16,628 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 04:41:16,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2020-11-28 04:41:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-11-28 04:41:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:41:16,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:16,698 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 04:41:16,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:16,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 112 transitions. [2020-11-28 04:41:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2020-11-28 04:41:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:41:16,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:16,843 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 04:41:17,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2020-11-28 04:41:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2020-11-28 04:41:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:41:17,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:17,586 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 04:41:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2020-11-28 04:41:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2020-11-28 04:41:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:41:17,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:17,653 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 04:41:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2020-11-28 04:41:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2020-11-28 04:41:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:41:17,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:17,785 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 04:41:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 177 transitions. [2020-11-28 04:41:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 177 transitions. [2020-11-28 04:41:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:41:18,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:18,500 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 04:41:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 207 transitions. [2020-11-28 04:41:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2020-11-28 04:41:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:41:19,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:19,403 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 04:41:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 208 transitions. [2020-11-28 04:41:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 208 transitions. [2020-11-28 04:41:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:41:19,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:41:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:19,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 217 transitions. [2020-11-28 04:41:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 217 transitions. [2020-11-28 04:41:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:41:19,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:19,653 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 04:41:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 136 states and 231 transitions. [2020-11-28 04:41:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 231 transitions. [2020-11-28 04:41:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:41:19,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:19,964 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 04:41:20,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:20,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 138 states and 236 transitions. [2020-11-28 04:41:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 236 transitions. [2020-11-28 04:41:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:41:20,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:20,233 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 04:41:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 136 states and 230 transitions. [2020-11-28 04:41:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 230 transitions. [2020-11-28 04:41:20,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:41:20,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:41:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 238 transitions. [2020-11-28 04:41:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2020-11-28 04:41:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:41:20,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:20,658 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 04:41:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:21,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 257 transitions. [2020-11-28 04:41:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 257 transitions. [2020-11-28 04:41:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:41:21,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:21,432 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 04:41:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 258 transitions. [2020-11-28 04:41:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 258 transitions. [2020-11-28 04:41:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:41:21,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:21,942 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 04:41:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 152 states and 264 transitions. [2020-11-28 04:41:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2020-11-28 04:41:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:41:23,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:23,046 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 04:41:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 159 states and 276 transitions. [2020-11-28 04:41:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 276 transitions. [2020-11-28 04:41:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:23,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:23,381 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 04:41:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:23,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 160 states and 277 transitions. [2020-11-28 04:41:23,409 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 277 transitions. [2020-11-28 04:41:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:41:23,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:23,449 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 04:41:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 167 states and 293 transitions. [2020-11-28 04:41:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2020-11-28 04:41:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:41:24,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:24,319 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 04:41:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 168 states and 294 transitions. [2020-11-28 04:41:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2020-11-28 04:41:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:41:24,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:24,415 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 04:41:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 169 states and 294 transitions. [2020-11-28 04:41:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 294 transitions. [2020-11-28 04:41:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:24,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:24,481 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 04:41:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 170 states and 295 transitions. [2020-11-28 04:41:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 295 transitions. [2020-11-28 04:41:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:24,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:24,555 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 04:41:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 186 states and 338 transitions. [2020-11-28 04:41:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 338 transitions. [2020-11-28 04:41:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:27,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:27,273 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 04:41:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 187 states and 338 transitions. [2020-11-28 04:41:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 338 transitions. [2020-11-28 04:41:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:27,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:27,357 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 04:41:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 199 states and 367 transitions. [2020-11-28 04:41:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 367 transitions. [2020-11-28 04:41:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:41:29,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,383 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 04:41:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 200 states and 368 transitions. [2020-11-28 04:41:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 368 transitions. [2020-11-28 04:41:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:41:29,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,464 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 04:41:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 203 states and 374 transitions. [2020-11-28 04:41:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 374 transitions. [2020-11-28 04:41:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:41:29,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 210 states and 386 transitions. [2020-11-28 04:41:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 386 transitions. [2020-11-28 04:41:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:41:30,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,161 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 04:41:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 211 states and 387 transitions. [2020-11-28 04:41:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 387 transitions. [2020-11-28 04:41:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:41:30,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,268 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 04:41:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 219 states and 407 transitions. [2020-11-28 04:41:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 407 transitions. [2020-11-28 04:41:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:41:32,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,748 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 04:41:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 221 states and 411 transitions. [2020-11-28 04:41:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 411 transitions. [2020-11-28 04:41:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:41:33,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:41:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 227 states and 426 transitions. [2020-11-28 04:41:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 426 transitions. [2020-11-28 04:41:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:41:34,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 228 states and 428 transitions. [2020-11-28 04:41:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 428 transitions. [2020-11-28 04:41:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:34,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 233 states and 431 transitions. [2020-11-28 04:41:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 431 transitions. [2020-11-28 04:41:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:41:35,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 234 states and 432 transitions. [2020-11-28 04:41:35,256 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 432 transitions. [2020-11-28 04:41:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:41:35,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:41:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 235 states and 435 transitions. [2020-11-28 04:41:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 435 transitions. [2020-11-28 04:41:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:41:35,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,832 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 04:41:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 240 states and 444 transitions. [2020-11-28 04:41:36,064 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 444 transitions. [2020-11-28 04:41:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:41:36,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:41:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 241 states and 445 transitions. [2020-11-28 04:41:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 445 transitions. [2020-11-28 04:41:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:36,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,185 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 04:41:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 242 states and 445 transitions. [2020-11-28 04:41:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 445 transitions. [2020-11-28 04:41:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:41:36,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,240 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 04:41:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 243 states and 446 transitions. [2020-11-28 04:41:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 446 transitions. [2020-11-28 04:41:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:41:36,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,306 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 04:41:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 244 states and 449 transitions. [2020-11-28 04:41:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 449 transitions. [2020-11-28 04:41:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:41:36,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,777 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 04:41:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 246 states and 453 transitions. [2020-11-28 04:41:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 453 transitions. [2020-11-28 04:41:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:36,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 251 states and 462 transitions. [2020-11-28 04:41:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 462 transitions. [2020-11-28 04:41:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:41:37,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:41:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 252 states and 463 transitions. [2020-11-28 04:41:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 463 transitions. [2020-11-28 04:41:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:37,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,268 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 04:41:37,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 253 states and 463 transitions. [2020-11-28 04:41:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 463 transitions. [2020-11-28 04:41:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:37,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,315 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 04:41:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 256 states and 467 transitions. [2020-11-28 04:41:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 467 transitions. [2020-11-28 04:41:37,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:41:37,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,547 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 04:41:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 257 states and 468 transitions. [2020-11-28 04:41:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 468 transitions. [2020-11-28 04:41:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:41:37,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:41:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 260 states and 473 transitions. [2020-11-28 04:41:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 473 transitions. [2020-11-28 04:41:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 04:41:37,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-28 04:41:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 261 states and 474 transitions. [2020-11-28 04:41:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 474 transitions. [2020-11-28 04:41:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:41:37,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:41:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 262 states and 475 transitions. [2020-11-28 04:41:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 475 transitions. [2020-11-28 04:41:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-28 04:41:37,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:41:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 264 states and 477 transitions. [2020-11-28 04:41:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 477 transitions. [2020-11-28 04:41:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:41:37,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:41:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 102 states and 136 transitions. [2020-11-28 04:41:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2020-11-28 04:41:37,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:41:37,911 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2020-11-28 04:41:37,917 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:41:38,437 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:41:38,445 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,445 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,445 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:41:38,450 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,451 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:41:38,452 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:41:38,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,453 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,453 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:38,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:41:38 ImpRootNode [2020-11-28 04:41:38,456 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:41:38,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:41:38,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:41:38,457 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:41:38,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:15" (3/4) ... [2020-11-28 04:41:38,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:41:38,480 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:41:38,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:41:38,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:41:38,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:41:38,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:41:38,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:41:38,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:41:38,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:41:38,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-28 04:41:38,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:41:38,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:41:38,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:41:38,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:41:38,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:41:38,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:41:38,534 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 04:41:38,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:41:38,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d1ea22ac-cbe3-4c65-81f1-d407a9a944da/bin/ukojak/witness.graphml [2020-11-28 04:41:38,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:41:38,606 INFO L168 Benchmark]: Toolchain (without parser) took 25166.72 ms. Allocated memory was 90.2 MB in the beginning and 337.6 MB in the end (delta: 247.5 MB). Free memory was 59.4 MB in the beginning and 129.6 MB in the end (delta: -70.3 MB). Peak memory consumption was 178.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:38,607 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 90.2 MB. Free memory was 50.6 MB in the beginning and 50.5 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:38,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.10 ms. Allocated memory is still 90.2 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:38,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.80 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 54.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:38,608 INFO L168 Benchmark]: Boogie Preprocessor took 41.64 ms. Allocated memory is still 90.2 MB. Free memory was 54.6 MB in the beginning and 52.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:38,608 INFO L168 Benchmark]: RCFGBuilder took 1319.11 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 77.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:38,609 INFO L168 Benchmark]: CodeCheck took 23056.32 ms. Allocated memory was 109.1 MB in the beginning and 337.6 MB in the end (delta: 228.6 MB). Free memory was 77.0 MB in the beginning and 134.9 MB in the end (delta: -57.9 MB). Peak memory consumption was 169.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:38,609 INFO L168 Benchmark]: Witness Printer took 147.51 ms. Allocated memory is still 337.6 MB. Free memory was 134.9 MB in the beginning and 129.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:38,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.4s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -171359088 SDtfs, 215172560 SDslu, -1181499228 SDs, 0 SdLazy, -1994498176 SolverSat, -409357088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26389 GetRequests, 26111 SyntacticMatches, 12 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30325 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2561 NumberOfCodeBlocks, 2561 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2505 ConstructedInterpolants, 0 QuantifiedInterpolants, 232840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 49 PerfectInterpolantSequences, 984/1020 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: 781]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 90.2 MB. Free memory was 50.6 MB in the beginning and 50.5 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.10 ms. Allocated memory is still 90.2 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.80 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 54.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.64 ms. Allocated memory is still 90.2 MB. Free memory was 54.6 MB in the beginning and 52.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1319.11 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.6 MB in the beginning and 77.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * CodeCheck took 23056.32 ms. Allocated memory was 109.1 MB in the beginning and 337.6 MB in the end (delta: 228.6 MB). Free memory was 77.0 MB in the beginning and 134.9 MB in the end (delta: -57.9 MB). Peak memory consumption was 169.4 MB. Max. memory is 16.1 GB. * Witness Printer took 147.51 ms. Allocated memory is still 337.6 MB. Free memory was 134.9 MB in the beginning and 129.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...