./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/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 7e56150b699b94e28c1c73525159cfeb9360ab0a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:41:24,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:24,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:24,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:24,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:24,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:24,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:24,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:24,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:24,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:24,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:24,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:24,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:24,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:24,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:24,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:24,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:24,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:24,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:24,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:24,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:24,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:24,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:24,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:24,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:24,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:24,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:24,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:24,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:24,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:24,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:24,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:24,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:24,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:24,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:24,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:24,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:24,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:24,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:24,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:24,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:24,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:41:24,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:24,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:24,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:41:24,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:41:24,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:24,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:24,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:24,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:41:24,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:24,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:41:24,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:24,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:41:24,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:24,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:41:24,588 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:41:24,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:41:24,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:24,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:41:24,588 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:24,589 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:24,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:24,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:24,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:24,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:24,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:24,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:41:24,590 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:24,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:24,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:41:24,592 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_625409ad-b538-43e8-a6c2-e1118d789892/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e56150b699b94e28c1c73525159cfeb9360ab0a [2020-11-28 04:41:24,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:24,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:24,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:24,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:24,900 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:24,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-28 04:41:24,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/data/ff30d8455/3aa6ad6ca94945739c34515858b67b78/FLAGbc5a9f94b [2020-11-28 04:41:25,547 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:25,548 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-28 04:41:25,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/data/ff30d8455/3aa6ad6ca94945739c34515858b67b78/FLAGbc5a9f94b [2020-11-28 04:41:25,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/data/ff30d8455/3aa6ad6ca94945739c34515858b67b78 [2020-11-28 04:41:25,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:25,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:25,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:25,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:25,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:25,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:25" (1/1) ... [2020-11-28 04:41:25,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a10395e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:25, skipping insertion in model container [2020-11-28 04:41:25,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:25" (1/1) ... [2020-11-28 04:41:25,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:25,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:26,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:26,301 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:26,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:26,424 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:26,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26 WrapperNode [2020-11-28 04:41:26,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:26,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:26,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:26,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:26,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:26,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:26,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:26,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:26,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... [2020-11-28 04:41:26,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:26,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:26,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:26,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:26,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/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 04:41:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:41:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:41:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:41:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:41:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:41:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:41:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:41:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:41:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:41:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:41:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:41:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:41:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:41:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:41:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:41:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:41:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:41:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:41:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:41:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:41:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:28,012 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:28,013 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:41:28,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:28 BoogieIcfgContainer [2020-11-28 04:41:28,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:28,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:28,016 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:28,028 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:28,029 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:28" (1/1) ... [2020-11-28 04:41:28,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2020-11-28 04:41:28,095 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2020-11-28 04:41:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:41:28,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:28,368 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 04:41:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2020-11-28 04:41:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2020-11-28 04:41:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:41:28,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:28,532 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 04:41:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2020-11-28 04:41:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2020-11-28 04:41:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:41:28,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:28,665 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 04:41:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:28,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 113 transitions. [2020-11-28 04:41:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2020-11-28 04:41:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:41:28,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,008 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 04:41:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2020-11-28 04:41:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2020-11-28 04:41:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:41:29,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,105 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 04:41:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2020-11-28 04:41:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2020-11-28 04:41:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:41:29,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,195 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 04:41:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2020-11-28 04:41:29,213 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2020-11-28 04:41:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:41:29,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:29,379 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 04:41:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 154 transitions. [2020-11-28 04:41:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2020-11-28 04:41:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:41:30,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,257 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 04:41:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2020-11-28 04:41:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2020-11-28 04:41:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:41:30,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:30,449 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 04:41:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2020-11-28 04:41:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2020-11-28 04:41:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:41:31,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:31,785 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 04:41:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2020-11-28 04:41:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2020-11-28 04:41:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:41:31,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 213 transitions. [2020-11-28 04:41:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 213 transitions. [2020-11-28 04:41:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:41:32,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,237 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 04:41:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 134 states and 227 transitions. [2020-11-28 04:41:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 227 transitions. [2020-11-28 04:41:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:41:32,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,422 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 04:41:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 233 transitions. [2020-11-28 04:41:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2020-11-28 04:41:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:41:32,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,641 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 04:41:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 139 states and 234 transitions. [2020-11-28 04:41:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 234 transitions. [2020-11-28 04:41:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:41:32,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:32,754 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 04:41:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 239 transitions. [2020-11-28 04:41:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2020-11-28 04:41:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:41:33,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,105 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 04:41:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 139 states and 233 transitions. [2020-11-28 04:41:33,122 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2020-11-28 04:41:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:41:33,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,154 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 04:41:33,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 242 transitions. [2020-11-28 04:41:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 242 transitions. [2020-11-28 04:41:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:41:33,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:33,243 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 04:41:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 152 states and 261 transitions. [2020-11-28 04:41:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 261 transitions. [2020-11-28 04:41:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:41:33,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:34,040 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 04:41:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 153 states and 262 transitions. [2020-11-28 04:41:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 262 transitions. [2020-11-28 04:41:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:41:34,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:34,391 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 04:41:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 156 states and 268 transitions. [2020-11-28 04:41:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 268 transitions. [2020-11-28 04:41:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:41:35,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,261 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 04:41:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 163 states and 284 transitions. [2020-11-28 04:41:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 284 transitions. [2020-11-28 04:41:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:35,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,898 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 04:41:35,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 285 transitions. [2020-11-28 04:41:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 285 transitions. [2020-11-28 04:41:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:41:35,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:35,958 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 04:41:35,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 165 states and 286 transitions. [2020-11-28 04:41:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 286 transitions. [2020-11-28 04:41:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:41:35,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,036 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 04:41:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 172 states and 298 transitions. [2020-11-28 04:41:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 298 transitions. [2020-11-28 04:41:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:41:36,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,316 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 04:41:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 173 states and 298 transitions. [2020-11-28 04:41:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 298 transitions. [2020-11-28 04:41:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:36,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,374 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 04:41:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 174 states and 299 transitions. [2020-11-28 04:41:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 299 transitions. [2020-11-28 04:41:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:36,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:36,482 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 04:41:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 190 states and 342 transitions. [2020-11-28 04:41:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 342 transitions. [2020-11-28 04:41:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:38,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:38,508 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 04:41:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 202 states and 371 transitions. [2020-11-28 04:41:40,098 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 371 transitions. [2020-11-28 04:41:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:40,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:40,164 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 04:41:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 203 states and 371 transitions. [2020-11-28 04:41:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 371 transitions. [2020-11-28 04:41:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:41:40,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:40,263 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 04:41:40,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 204 states and 372 transitions. [2020-11-28 04:41:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 372 transitions. [2020-11-28 04:41:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:41:40,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:40,364 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 04:41:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 205 states and 373 transitions. [2020-11-28 04:41:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 373 transitions. [2020-11-28 04:41:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:41:40,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:40,419 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 04:41:42,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 213 states and 393 transitions. [2020-11-28 04:41:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 393 transitions. [2020-11-28 04:41:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:41:42,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:42,131 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 04:41:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 216 states and 399 transitions. [2020-11-28 04:41:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 399 transitions. [2020-11-28 04:41:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:41:42,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:42,199 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 04:41:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 221 states and 402 transitions. [2020-11-28 04:41:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 402 transitions. [2020-11-28 04:41:42,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:41:42,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:41:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 223 states and 406 transitions. [2020-11-28 04:41:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 406 transitions. [2020-11-28 04:41:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:43,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:41:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 229 states and 421 transitions. [2020-11-28 04:41:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 421 transitions. [2020-11-28 04:41:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:41:44,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:44,431 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 04:41:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 230 states and 422 transitions. [2020-11-28 04:41:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 422 transitions. [2020-11-28 04:41:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:41:44,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:44,486 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 04:41:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 237 states and 434 transitions. [2020-11-28 04:41:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 434 transitions. [2020-11-28 04:41:45,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:41:45,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:45,126 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 04:41:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 238 states and 436 transitions. [2020-11-28 04:41:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 436 transitions. [2020-11-28 04:41:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:45,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:45,194 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 04:41:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 239 states and 437 transitions. [2020-11-28 04:41:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 437 transitions. [2020-11-28 04:41:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:45,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:45,253 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 04:41:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 240 states and 440 transitions. [2020-11-28 04:41:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 440 transitions. [2020-11-28 04:41:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:41:45,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:45,670 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 04:41:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 245 states and 449 transitions. [2020-11-28 04:41:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 449 transitions. [2020-11-28 04:41:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:45,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:45,910 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 04:41:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 246 states and 449 transitions. [2020-11-28 04:41:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 449 transitions. [2020-11-28 04:41:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:45,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:45,957 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 04:41:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 251 states and 457 transitions. [2020-11-28 04:41:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 457 transitions. [2020-11-28 04:41:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:41:46,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:46,295 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 04:41:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:46,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 252 states and 458 transitions. [2020-11-28 04:41:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 458 transitions. [2020-11-28 04:41:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:41:46,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:46,347 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 04:41:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 253 states and 461 transitions. [2020-11-28 04:41:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 461 transitions. [2020-11-28 04:41:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:41:46,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:46,796 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 04:41:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 255 states and 466 transitions. [2020-11-28 04:41:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 466 transitions. [2020-11-28 04:41:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:46,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:46,868 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 04:41:47,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 258 states and 470 transitions. [2020-11-28 04:41:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 470 transitions. [2020-11-28 04:41:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:47,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,091 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 04:41:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 259 states and 470 transitions. [2020-11-28 04:41:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 470 transitions. [2020-11-28 04:41:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:41:47,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,146 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 04:41:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 262 states and 476 transitions. [2020-11-28 04:41:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 476 transitions. [2020-11-28 04:41:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:41:47,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,364 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 04:41:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 263 states and 477 transitions. [2020-11-28 04:41:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 477 transitions. [2020-11-28 04:41:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:41:47,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,420 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 04:41:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 266 states and 482 transitions. [2020-11-28 04:41:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 482 transitions. [2020-11-28 04:41:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 04:41:47,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,475 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 04:41:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 267 states and 483 transitions. [2020-11-28 04:41:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 483 transitions. [2020-11-28 04:41:47,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:41:47,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,547 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 04:41:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 268 states and 484 transitions. [2020-11-28 04:41:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 484 transitions. [2020-11-28 04:41:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:41:47,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,611 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 04:41:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 270 states and 486 transitions. [2020-11-28 04:41:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 486 transitions. [2020-11-28 04:41:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:41:47,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:47,705 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 04:41:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 102 states and 136 transitions. [2020-11-28 04:41:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2020-11-28 04:41:47,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:41:47,722 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2020-11-28 04:41:47,734 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:41:48,110 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:41:48,116 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:41:48,118 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,118 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,118 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,119 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,119 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,119 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:41:48,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,120 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:41:48,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,121 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:48,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:41:48 ImpRootNode [2020-11-28 04:41:48,121 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:41:48,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:41:48,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:41:48,122 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:41:48,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:28" (3/4) ... [2020-11-28 04:41:48,125 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:41:48,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:41:48,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:41:48,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:41:48,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:41:48,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:41:48,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:41:48,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:41:48,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:41:48,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:41:48,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-28 04:41:48,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-28 04:41:48,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:41:48,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:41:48,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:41:48,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:41:48,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:41:48,167 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 04:41:48,169 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:41:48,208 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_625409ad-b538-43e8-a6c2-e1118d789892/bin/ukojak/witness.graphml [2020-11-28 04:41:48,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:41:48,210 INFO L168 Benchmark]: Toolchain (without parser) took 22324.48 ms. Allocated memory was 90.2 MB in the beginning and 408.9 MB in the end (delta: 318.8 MB). Free memory was 54.3 MB in the beginning and 284.6 MB in the end (delta: -230.3 MB). Peak memory consumption was 89.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:48,211 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 90.2 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:48,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.30 ms. Allocated memory is still 90.2 MB. Free memory was 54.1 MB in the beginning and 55.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:48,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.20 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 53.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:48,212 INFO L168 Benchmark]: Boogie Preprocessor took 62.09 ms. Allocated memory is still 90.2 MB. Free memory was 53.0 MB in the beginning and 50.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:48,212 INFO L168 Benchmark]: RCFGBuilder took 1438.72 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 52.6 MB in the end (delta: -1.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:48,213 INFO L168 Benchmark]: CodeCheck took 20105.32 ms. Allocated memory was 109.1 MB in the beginning and 408.9 MB in the end (delta: 299.9 MB). Free memory was 52.6 MB in the beginning and 289.8 MB in the end (delta: -237.2 MB). Peak memory consumption was 64.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:48,213 INFO L168 Benchmark]: Witness Printer took 86.78 ms. Allocated memory is still 408.9 MB. Free memory was 289.8 MB in the beginning and 284.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:48,215 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, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.6s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1692672400 SDtfs, 142287824 SDslu, -1727766364 SDs, 0 SdLazy, -276538240 SolverSat, -385297696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26818 GetRequests, 26533 SyntacticMatches, 17 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30732 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2625 NumberOfCodeBlocks, 2625 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2569 ConstructedInterpolants, 0 QuantifiedInterpolants, 245414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 47 PerfectInterpolantSequences, 993/1035 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: 345]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 90.2 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.30 ms. Allocated memory is still 90.2 MB. Free memory was 54.1 MB in the beginning and 55.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.20 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 53.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.09 ms. Allocated memory is still 90.2 MB. Free memory was 53.0 MB in the beginning and 50.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1438.72 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 52.6 MB in the end (delta: -1.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * CodeCheck took 20105.32 ms. Allocated memory was 109.1 MB in the beginning and 408.9 MB in the end (delta: 299.9 MB). Free memory was 52.6 MB in the beginning and 289.8 MB in the end (delta: -237.2 MB). Peak memory consumption was 64.3 MB. Max. memory is 16.1 GB. * Witness Printer took 86.78 ms. Allocated memory is still 408.9 MB. Free memory was 289.8 MB in the beginning and 284.6 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...