./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/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 465164c9d6bff671f00f1c9497719b8ddd91e991 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:31:40,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:31:40,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:31:40,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:31:40,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:31:40,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:31:40,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:31:40,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:31:40,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:31:40,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:31:40,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:31:40,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:31:40,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:31:40,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:31:40,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:31:40,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:31:40,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:31:40,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:31:40,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:31:40,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:31:40,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:31:40,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:31:40,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:31:40,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:31:40,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:31:40,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:31:40,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:31:40,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:31:40,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:31:40,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:31:40,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:31:40,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:31:40,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:31:40,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:31:40,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:31:40,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:31:40,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:31:40,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:31:40,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:31:40,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:31:40,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:31:40,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:31:40,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:31:40,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:31:40,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:31:40,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:31:40,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:31:40,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:31:40,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:31:40,886 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:31:40,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:31:40,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:31:40,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:31:40,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:31:40,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:31:40,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:31:40,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:31:40,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:31:40,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:31:40,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:31:40,890 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:31:40,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:31:40,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:31:40,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:31:40,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:31:40,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:31:40,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:31:40,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:31:40,912 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:31:40,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:31:40,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:31:40,914 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_e5f5a077-3660-4f1f-8778-0e76afc8028a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2020-12-01 16:31:41,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:31:41,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:31:41,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:31:41,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:31:41,264 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:31:41,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-12-01 16:31:41,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/data/835d79fbd/12fd1251fc634d6a902227eabfe8aaeb/FLAG75200b414 [2020-12-01 16:31:42,122 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:31:42,123 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-12-01 16:31:42,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/data/835d79fbd/12fd1251fc634d6a902227eabfe8aaeb/FLAG75200b414 [2020-12-01 16:31:42,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/data/835d79fbd/12fd1251fc634d6a902227eabfe8aaeb [2020-12-01 16:31:42,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:31:42,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:31:42,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:42,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:31:42,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:31:42,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:42" (1/1) ... [2020-12-01 16:31:42,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b399c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:42, skipping insertion in model container [2020-12-01 16:31:42,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:42" (1/1) ... [2020-12-01 16:31:42,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:31:42,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:31:42,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:42,848 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:31:42,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:43,055 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:31:43,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43 WrapperNode [2020-12-01 16:31:43,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:43,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:43,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:31:43,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:31:43,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:43,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:31:43,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:31:43,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:31:43,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:31:43,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:31:43,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:31:43,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:31:43,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:31:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:31:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:31:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:31:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:31:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:31:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:31:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:31:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:31:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:31:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:31:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:31:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:31:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:31:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 16:31:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 16:31:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:31:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:31:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:31:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:31:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:31:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:31:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:31:45,093 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:31:45,093 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 16:31:45,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:45 BoogieIcfgContainer [2020-12-01 16:31:45,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:31:45,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:31:45,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:31:45,110 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:31:45,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:45" (1/1) ... [2020-12-01 16:31:45,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:31:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2020-12-01 16:31:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2020-12-01 16:31:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:31:45,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:45,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2020-12-01 16:31:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-12-01 16:31:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:31:45,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2020-12-01 16:31:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2020-12-01 16:31:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:31:45,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2020-12-01 16:31:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-12-01 16:31:46,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:31:46,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:46,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2020-12-01 16:31:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2020-12-01 16:31:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:31:46,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2020-12-01 16:31:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-12-01 16:31:46,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:31:46,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-12-01 16:31:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-12-01 16:31:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:31:46,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2020-12-01 16:31:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2020-12-01 16:31:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:31:47,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2020-12-01 16:31:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2020-12-01 16:31:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:31:47,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 198 transitions. [2020-12-01 16:31:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2020-12-01 16:31:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:31:49,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 126 states and 207 transitions. [2020-12-01 16:31:49,147 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 207 transitions. [2020-12-01 16:31:49,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:31:49,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 215 transitions. [2020-12-01 16:31:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2020-12-01 16:31:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:31:49,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 133 states and 221 transitions. [2020-12-01 16:31:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 221 transitions. [2020-12-01 16:31:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:31:49,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 134 states and 222 transitions. [2020-12-01 16:31:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 222 transitions. [2020-12-01 16:31:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:31:49,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 236 transitions. [2020-12-01 16:31:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 236 transitions. [2020-12-01 16:31:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:31:50,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 142 states and 241 transitions. [2020-12-01 16:31:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2020-12-01 16:31:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:31:50,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 235 transitions. [2020-12-01 16:31:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 235 transitions. [2020-12-01 16:31:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:31:50,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 143 states and 243 transitions. [2020-12-01 16:31:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2020-12-01 16:31:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:31:50,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:31:51,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 252 transitions. [2020-12-01 16:31:51,074 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2020-12-01 16:31:51,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:31:51,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 156 states and 271 transitions. [2020-12-01 16:31:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2020-12-01 16:31:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:31:51,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 272 transitions. [2020-12-01 16:31:52,011 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 272 transitions. [2020-12-01 16:31:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:31:52,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:31:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 160 states and 279 transitions. [2020-12-01 16:31:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 279 transitions. [2020-12-01 16:31:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:31:53,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 167 states and 295 transitions. [2020-12-01 16:31:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 295 transitions. [2020-12-01 16:31:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:31:54,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 174 states and 307 transitions. [2020-12-01 16:31:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 307 transitions. [2020-12-01 16:31:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:31:54,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 175 states and 308 transitions. [2020-12-01 16:31:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2020-12-01 16:31:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:31:54,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 176 states and 309 transitions. [2020-12-01 16:31:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2020-12-01 16:31:54,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:31:54,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:31:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 177 states and 309 transitions. [2020-12-01 16:31:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 309 transitions. [2020-12-01 16:31:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:31:54,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 178 states and 310 transitions. [2020-12-01 16:31:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 310 transitions. [2020-12-01 16:31:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:31:54,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:31:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 194 states and 354 transitions. [2020-12-01 16:31:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 354 transitions. [2020-12-01 16:31:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:31:57,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:31:59,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 206 states and 384 transitions. [2020-12-01 16:31:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 384 transitions. [2020-12-01 16:31:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:31:59,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:31:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 207 states and 384 transitions. [2020-12-01 16:31:59,149 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 384 transitions. [2020-12-01 16:31:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:31:59,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:31:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 208 states and 385 transitions. [2020-12-01 16:31:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 385 transitions. [2020-12-01 16:31:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:31:59,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:31:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 209 states and 386 transitions. [2020-12-01 16:31:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 386 transitions. [2020-12-01 16:31:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:31:59,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:31:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 212 states and 392 transitions. [2020-12-01 16:31:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 392 transitions. [2020-12-01 16:31:59,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:31:59,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 214 states and 396 transitions. [2020-12-01 16:31:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 396 transitions. [2020-12-01 16:31:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:31:59,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 221 states and 408 transitions. [2020-12-01 16:32:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 408 transitions. [2020-12-01 16:32:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:32:00,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 228 states and 417 transitions. [2020-12-01 16:32:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 417 transitions. [2020-12-01 16:32:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:32:01,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:32:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 234 states and 432 transitions. [2020-12-01 16:32:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 432 transitions. [2020-12-01 16:32:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:32:02,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 235 states and 433 transitions. [2020-12-01 16:32:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 433 transitions. [2020-12-01 16:32:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:32:02,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 236 states and 435 transitions. [2020-12-01 16:32:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 435 transitions. [2020-12-01 16:32:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:32:02,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 237 states and 436 transitions. [2020-12-01 16:32:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 436 transitions. [2020-12-01 16:32:02,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:32:02,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:32:02,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 242 states and 445 transitions. [2020-12-01 16:32:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 445 transitions. [2020-12-01 16:32:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:32:02,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:32:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 243 states and 445 transitions. [2020-12-01 16:32:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 445 transitions. [2020-12-01 16:32:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:32:02,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:32:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 244 states and 446 transitions. [2020-12-01 16:32:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 446 transitions. [2020-12-01 16:32:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:32:02,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:32:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 245 states and 451 transitions. [2020-12-01 16:32:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 451 transitions. [2020-12-01 16:32:03,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:32:03,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:03,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:32:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 246 states and 454 transitions. [2020-12-01 16:32:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 454 transitions. [2020-12-01 16:32:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:32:03,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:32:04,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 248 states and 458 transitions. [2020-12-01 16:32:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 458 transitions. [2020-12-01 16:32:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:32:04,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:32:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 251 states and 462 transitions. [2020-12-01 16:32:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 462 transitions. [2020-12-01 16:32:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:32:04,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:32:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 252 states and 463 transitions. [2020-12-01 16:32:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 463 transitions. [2020-12-01 16:32:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:32:04,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 261 states and 482 transitions. [2020-12-01 16:32:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 482 transitions. [2020-12-01 16:32:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:32:06,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:32:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 262 states and 483 transitions. [2020-12-01 16:32:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 483 transitions. [2020-12-01 16:32:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:32:06,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 267 states and 490 transitions. [2020-12-01 16:32:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 490 transitions. [2020-12-01 16:32:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:32:06,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 268 states and 491 transitions. [2020-12-01 16:32:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 491 transitions. [2020-12-01 16:32:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:32:06,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:32:06,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 269 states and 492 transitions. [2020-12-01 16:32:06,561 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 492 transitions. [2020-12-01 16:32:06,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:32:06,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:32:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 272 states and 497 transitions. [2020-12-01 16:32:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 497 transitions. [2020-12-01 16:32:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:32:06,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:32:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 273 states and 498 transitions. [2020-12-01 16:32:06,716 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 498 transitions. [2020-12-01 16:32:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:32:06,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:32:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 109 states and 143 transitions. [2020-12-01 16:32:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2020-12-01 16:32:06,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:32:06,786 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2020-12-01 16:32:06,796 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:32:07,284 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,290 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,290 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:32:07,294 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,295 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,295 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,295 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:32:07,297 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:32:07,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,298 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 16:32:07,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:07,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:32:07 ImpRootNode [2020-12-01 16:32:07,300 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:32:07,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:32:07,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:32:07,301 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:32:07,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:45" (3/4) ... [2020-12-01 16:32:07,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:32:07,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:32:07,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:32:07,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:32:07,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:32:07,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:32:07,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:32:07,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:32:07,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:32:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 16:32:07,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-12-01 16:32:07,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:32:07,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:32:07,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:32:07,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:32:07,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:32:07,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:32:07,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-12-01 16:32:07,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 16:32:07,413 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e5f5a077-3660-4f1f-8778-0e76afc8028a/bin/ukojak/witness.graphml [2020-12-01 16:32:07,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:32:07,415 INFO L168 Benchmark]: Toolchain (without parser) took 25020.05 ms. Allocated memory was 104.9 MB in the beginning and 343.9 MB in the end (delta: 239.1 MB). Free memory was 84.5 MB in the beginning and 239.3 MB in the end (delta: -154.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:07,416 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 49.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:07,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.98 ms. Allocated memory is still 104.9 MB. Free memory was 84.2 MB in the beginning and 62.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:07,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.07 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 60.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:07,417 INFO L168 Benchmark]: Boogie Preprocessor took 76.57 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 58.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:07,418 INFO L168 Benchmark]: RCFGBuilder took 1846.02 ms. Allocated memory is still 104.9 MB. Free memory was 58.2 MB in the beginning and 73.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:07,419 INFO L168 Benchmark]: CodeCheck took 22202.23 ms. Allocated memory was 104.9 MB in the beginning and 343.9 MB in the end (delta: 239.1 MB). Free memory was 73.8 MB in the beginning and 244.6 MB in the end (delta: -170.7 MB). Peak memory consumption was 201.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:07,419 INFO L168 Benchmark]: Witness Printer took 113.16 ms. Allocated memory is still 343.9 MB. Free memory was 244.6 MB in the beginning and 239.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:07,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1401649340 SDtfs, -1430762036 SDslu, -675985252 SDs, 0 SdLazy, -93362820 SolverSat, 121996756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26862 GetRequests, 26585 SyntacticMatches, 17 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29518 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2615 NumberOfCodeBlocks, 2615 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2559 ConstructedInterpolants, 0 QuantifiedInterpolants, 238591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 50 PerfectInterpolantSequences, 925/958 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: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 49.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.98 ms. Allocated memory is still 104.9 MB. Free memory was 84.2 MB in the beginning and 62.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.07 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 60.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.57 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 58.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1846.02 ms. Allocated memory is still 104.9 MB. Free memory was 58.2 MB in the beginning and 73.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. * CodeCheck took 22202.23 ms. Allocated memory was 104.9 MB in the beginning and 343.9 MB in the end (delta: 239.1 MB). Free memory was 73.8 MB in the beginning and 244.6 MB in the end (delta: -170.7 MB). Peak memory consumption was 201.3 MB. Max. memory is 16.1 GB. * Witness Printer took 113.16 ms. Allocated memory is still 343.9 MB. Free memory was 244.6 MB in the beginning and 239.3 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...