./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.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_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/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 f92aef55fa426b86704369eb7f8ab70f879f200b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:06:14,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:06:14,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:06:14,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:06:14,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:06:14,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:06:14,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:06:14,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:06:14,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:06:14,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:06:14,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:06:14,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:06:14,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:06:14,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:06:14,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:06:14,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:06:14,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:06:14,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:06:14,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:06:14,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:06:14,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:06:14,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:06:14,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:06:14,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:06:14,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:06:14,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:06:14,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:06:14,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:06:14,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:06:14,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:06:14,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:06:14,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:06:14,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:06:14,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:06:14,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:06:14,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:06:14,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:06:14,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:06:14,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:06:14,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:06:14,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:06:14,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:06:14,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:06:14,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:06:14,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:06:14,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:06:14,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:06:14,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:06:14,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:06:14,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:06:14,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:06:14,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:06:14,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:06:14,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:06:14,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:06:14,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:06:14,755 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:06:14,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:06:14,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:06:14,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:06:14,755 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:06:14,756 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:06:14,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:06:14,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:06:14,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:06:14,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:06:14,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:06:14,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:06:14,757 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:06:14,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:06:14,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:06:14,759 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_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92aef55fa426b86704369eb7f8ab70f879f200b [2020-12-01 18:06:15,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:06:15,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:06:15,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:06:15,065 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:06:15,066 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:06:15,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-12-01 18:06:15,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/data/6eb97267e/d582165a552b47489bae11a82408a3ce/FLAG4530da404 [2020-12-01 18:06:15,706 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:06:15,707 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2020-12-01 18:06:15,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/data/6eb97267e/d582165a552b47489bae11a82408a3ce/FLAG4530da404 [2020-12-01 18:06:16,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/data/6eb97267e/d582165a552b47489bae11a82408a3ce [2020-12-01 18:06:16,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:06:16,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:06:16,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:16,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:06:16,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:06:16,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd1a6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16, skipping insertion in model container [2020-12-01 18:06:16,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:06:16,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:06:16,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:16,526 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:06:16,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:16,641 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:06:16,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16 WrapperNode [2020-12-01 18:06:16,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:16,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:16,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:06:16,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:06:16,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:16,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:06:16,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:06:16,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:06:16,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... [2020-12-01 18:06:16,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:06:16,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:06:16,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:06:16,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:06:16,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/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 18:06:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:06:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:06:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:06:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:06:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:06:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:06:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:06:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:06:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:06:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:06:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:06:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 18:06:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 18:06:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:06:16,919 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:06:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:06:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:06:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:06:18,241 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:06:18,241 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 18:06:18,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:18 BoogieIcfgContainer [2020-12-01 18:06:18,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:06:18,246 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:06:18,246 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:06:18,260 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:06:18,261 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:18" (1/1) ... [2020-12-01 18:06:18,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:06:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-12-01 18:06:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-12-01 18:06:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:06:18,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:18,723 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 18:06:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-12-01 18:06:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-12-01 18:06:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:06:18,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:18,903 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 18:06:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-12-01 18:06:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-12-01 18:06:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:06:18,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:19,132 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 18:06:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-12-01 18:06:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-12-01 18:06:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:06:19,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:19,333 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 18:06:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-12-01 18:06:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-12-01 18:06:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:06:19,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:19,679 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 18:06:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2020-12-01 18:06:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-12-01 18:06:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:06:19,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:06:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2020-12-01 18:06:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2020-12-01 18:06:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:06:20,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:20,790 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 18:06:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 86 states and 134 transitions. [2020-12-01 18:06:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2020-12-01 18:06:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:06:20,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:20,980 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 18:06:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:22,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2020-12-01 18:06:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2020-12-01 18:06:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:06:22,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:06:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 184 transitions. [2020-12-01 18:06:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2020-12-01 18:06:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:06:22,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:22,681 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 18:06:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 116 states and 198 transitions. [2020-12-01 18:06:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2020-12-01 18:06:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:06:22,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:06:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 205 transitions. [2020-12-01 18:06:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 205 transitions. [2020-12-01 18:06:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:06:23,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,336 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 18:06:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 123 states and 212 transitions. [2020-12-01 18:06:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 212 transitions. [2020-12-01 18:06:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:06:23,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,448 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 18:06:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 213 transitions. [2020-12-01 18:06:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2020-12-01 18:06:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:06:23,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,545 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 18:06:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 216 transitions. [2020-12-01 18:06:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 216 transitions. [2020-12-01 18:06:23,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:06:23,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,634 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 18:06:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 127 states and 218 transitions. [2020-12-01 18:06:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2020-12-01 18:06:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:06:23,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,728 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 18:06:23,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-12-01 18:06:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-12-01 18:06:23,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:06:23,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,778 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 18:06:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 131 states and 226 transitions. [2020-12-01 18:06:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 226 transitions. [2020-12-01 18:06:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:06:23,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:23,995 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 18:06:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 140 states and 244 transitions. [2020-12-01 18:06:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2020-12-01 18:06:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:06:24,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:25,050 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 18:06:25,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 143 states and 250 transitions. [2020-12-01 18:06:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 250 transitions. [2020-12-01 18:06:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:06:25,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:25,976 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 18:06:26,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 144 states and 252 transitions. [2020-12-01 18:06:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2020-12-01 18:06:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:06:26,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:06:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 145 states and 255 transitions. [2020-12-01 18:06:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 255 transitions. [2020-12-01 18:06:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:06:26,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:26,618 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 18:06:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 152 states and 267 transitions. [2020-12-01 18:06:28,024 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 267 transitions. [2020-12-01 18:06:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:06:28,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:28,056 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 18:06:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 159 states and 282 transitions. [2020-12-01 18:06:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 282 transitions. [2020-12-01 18:06:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:06:28,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:28,687 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 18:06:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 160 states and 284 transitions. [2020-12-01 18:06:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 284 transitions. [2020-12-01 18:06:28,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:06:28,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:28,748 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 18:06:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 296 transitions. [2020-12-01 18:06:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 296 transitions. [2020-12-01 18:06:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:06:29,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:29,208 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 18:06:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 185 states and 329 transitions. [2020-12-01 18:06:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 329 transitions. [2020-12-01 18:06:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:06:31,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:06:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 187 states and 331 transitions. [2020-12-01 18:06:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 331 transitions. [2020-12-01 18:06:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:06:31,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:06:32,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 195 states and 349 transitions. [2020-12-01 18:06:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 349 transitions. [2020-12-01 18:06:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:06:32,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:32,247 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 18:06:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 196 states and 350 transitions. [2020-12-01 18:06:32,276 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 350 transitions. [2020-12-01 18:06:32,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:06:32,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:06:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 208 states and 379 transitions. [2020-12-01 18:06:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 379 transitions. [2020-12-01 18:06:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:06:34,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:06:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 209 states and 382 transitions. [2020-12-01 18:06:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 382 transitions. [2020-12-01 18:06:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:06:35,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:06:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 210 states and 385 transitions. [2020-12-01 18:06:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 385 transitions. [2020-12-01 18:06:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:06:35,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:06:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 214 states and 392 transitions. [2020-12-01 18:06:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 392 transitions. [2020-12-01 18:06:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:06:35,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:06:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 222 states and 410 transitions. [2020-12-01 18:06:37,319 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 410 transitions. [2020-12-01 18:06:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:06:37,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:06:37,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 227 states and 415 transitions. [2020-12-01 18:06:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 415 transitions. [2020-12-01 18:06:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:06:37,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:06:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 228 states and 416 transitions. [2020-12-01 18:06:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 416 transitions. [2020-12-01 18:06:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:06:37,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:37,904 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 18:06:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 229 states and 417 transitions. [2020-12-01 18:06:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 417 transitions. [2020-12-01 18:06:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:06:37,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 18:06:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 230 states and 418 transitions. [2020-12-01 18:06:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 418 transitions. [2020-12-01 18:06:37,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:06:37,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:06:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 235 states and 427 transitions. [2020-12-01 18:06:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 427 transitions. [2020-12-01 18:06:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:06:38,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:38,308 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 18:06:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 241 states and 436 transitions. [2020-12-01 18:06:38,494 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 436 transitions. [2020-12-01 18:06:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:06:38,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 18:06:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 242 states and 437 transitions. [2020-12-01 18:06:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 437 transitions. [2020-12-01 18:06:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:06:38,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:06:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 243 states and 438 transitions. [2020-12-01 18:06:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 438 transitions. [2020-12-01 18:06:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:06:38,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:38,642 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 18:06:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 244 states and 441 transitions. [2020-12-01 18:06:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 441 transitions. [2020-12-01 18:06:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:06:39,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,070 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 18:06:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 245 states and 442 transitions. [2020-12-01 18:06:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 442 transitions. [2020-12-01 18:06:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:06:39,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,127 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 18:06:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 248 states and 448 transitions. [2020-12-01 18:06:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 448 transitions. [2020-12-01 18:06:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:06:39,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 18:06:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 251 states and 452 transitions. [2020-12-01 18:06:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 452 transitions. [2020-12-01 18:06:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:06:39,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 18:06:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 254 states and 455 transitions. [2020-12-01 18:06:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 455 transitions. [2020-12-01 18:06:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:06:39,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:39,483 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 18:06:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 264 states and 472 transitions. [2020-12-01 18:06:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 472 transitions. [2020-12-01 18:06:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:06:41,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 18:06:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 265 states and 473 transitions. [2020-12-01 18:06:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 473 transitions. [2020-12-01 18:06:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 18:06:41,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 18:06:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 97 states and 126 transitions. [2020-12-01 18:06:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2020-12-01 18:06:41,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:06:41,292 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2020-12-01 18:06:41,300 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:06:41,829 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,833 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 18:06:41,837 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,837 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,837 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,837 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,837 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 18:06:41,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:06:41,849 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 18:06:41,849 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 18:06:41,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:06:41 ImpRootNode [2020-12-01 18:06:41,851 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:06:41,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:06:41,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:06:41,852 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:06:41,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:18" (3/4) ... [2020-12-01 18:06:41,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:06:41,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 18:06:41,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 18:06:41,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:06:41,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 18:06:41,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:06:41,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:06:41,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:06:41,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-01 18:06:41,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 18:06:41,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:06:41,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:06:41,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:06:41,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:06:41,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:06:41,918 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 18:06:41,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (!(pumpRunning == \old(pumpRunning)) && !(methaneLevelCritical == 0))) || !(0 == systemActive) [2020-12-01 18:06:41,983 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be1898cc-c3ff-4ebe-9acd-4d53c614de6b/bin/ukojak/witness.graphml [2020-12-01 18:06:41,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:06:41,985 INFO L168 Benchmark]: Toolchain (without parser) took 25958.79 ms. Allocated memory was 121.6 MB in the beginning and 383.8 MB in the end (delta: 262.1 MB). Free memory was 94.7 MB in the beginning and 283.6 MB in the end (delta: -188.9 MB). Peak memory consumption was 74.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:41,986 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:06:41,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.00 ms. Allocated memory is still 121.6 MB. Free memory was 94.1 MB in the beginning and 88.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:41,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.80 ms. Allocated memory is still 121.6 MB. Free memory was 88.9 MB in the beginning and 86.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:41,987 INFO L168 Benchmark]: Boogie Preprocessor took 78.81 ms. Allocated memory is still 121.6 MB. Free memory was 86.3 MB in the beginning and 84.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:41,988 INFO L168 Benchmark]: RCFGBuilder took 1437.87 ms. Allocated memory is still 121.6 MB. Free memory was 84.3 MB in the beginning and 78.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:41,988 INFO L168 Benchmark]: CodeCheck took 23604.78 ms. Allocated memory was 121.6 MB in the beginning and 383.8 MB in the end (delta: 262.1 MB). Free memory was 78.7 MB in the beginning and 288.9 MB in the end (delta: -210.2 MB). Peak memory consumption was 211.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:41,989 INFO L168 Benchmark]: Witness Printer took 131.73 ms. Allocated memory is still 383.8 MB. Free memory was 288.9 MB in the beginning and 283.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:06:41,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.9s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -849132216 SDtfs, -1312866396 SDslu, -2087801604 SDs, 0 SdLazy, -967736292 SolverSat, 1042316128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 57.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21068 GetRequests, 20767 SyntacticMatches, 25 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34520 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2108 NumberOfCodeBlocks, 2108 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2058 ConstructedInterpolants, 0 QuantifiedInterpolants, 180544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 41 PerfectInterpolantSequences, 718/750 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: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (!(pumpRunning == \old(pumpRunning)) && !(methaneLevelCritical == 0))) || !(0 == systemActive) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 607.00 ms. Allocated memory is still 121.6 MB. Free memory was 94.1 MB in the beginning and 88.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.80 ms. Allocated memory is still 121.6 MB. Free memory was 88.9 MB in the beginning and 86.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.81 ms. Allocated memory is still 121.6 MB. Free memory was 86.3 MB in the beginning and 84.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1437.87 ms. Allocated memory is still 121.6 MB. Free memory was 84.3 MB in the beginning and 78.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. * CodeCheck took 23604.78 ms. Allocated memory was 121.6 MB in the beginning and 383.8 MB in the end (delta: 262.1 MB). Free memory was 78.7 MB in the beginning and 288.9 MB in the end (delta: -210.2 MB). Peak memory consumption was 211.4 MB. Max. memory is 16.1 GB. * Witness Printer took 131.73 ms. Allocated memory is still 383.8 MB. Free memory was 288.9 MB in the beginning and 283.6 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...