./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.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_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/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 858ae6ce02a6182d965089435301193a306a5587 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:33:00,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:33:00,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:33:00,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:33:00,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:33:00,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:33:00,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:33:00,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:33:00,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:33:00,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:33:00,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:33:00,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:33:00,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:33:00,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:33:00,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:33:00,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:33:00,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:33:00,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:33:00,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:33:00,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:33:00,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:33:00,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:33:00,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:33:00,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:33:00,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:33:00,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:33:00,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:33:00,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:33:00,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:33:00,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:33:00,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:33:00,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:33:00,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:33:00,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:33:00,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:33:00,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:33:00,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:33:00,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:33:00,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:33:00,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:33:00,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:33:00,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:33:00,711 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:33:00,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:33:00,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:33:00,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:33:00,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:33:00,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:33:00,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:33:00,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:33:00,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:33:00,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:33:00,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:33:00,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:33:00,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:33:00,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:33:00,717 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:33:00,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:33:00,718 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:33:00,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:33:00,718 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:33:00,718 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:33:00,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:33:00,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:33:00,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:33:00,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:33:00,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:33:00,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:33:00,720 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:33:00,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:33:00,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:33:00,721 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_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 858ae6ce02a6182d965089435301193a306a5587 [2020-12-01 16:33:00,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:33:00,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:33:00,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:33:00,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:33:00,979 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:33:00,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2020-12-01 16:33:01,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/data/ddb3d3678/44fe5625ac484150ab637e12c3e8a6c6/FLAGa256e4e3c [2020-12-01 16:33:01,622 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:33:01,623 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2020-12-01 16:33:01,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/data/ddb3d3678/44fe5625ac484150ab637e12c3e8a6c6/FLAGa256e4e3c [2020-12-01 16:33:01,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/data/ddb3d3678/44fe5625ac484150ab637e12c3e8a6c6 [2020-12-01 16:33:01,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:33:01,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:33:01,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:33:01,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:33:01,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:33:01,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:33:01" (1/1) ... [2020-12-01 16:33:01,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46041a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:01, skipping insertion in model container [2020-12-01 16:33:01,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:33:01" (1/1) ... [2020-12-01 16:33:01,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:33:02,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:33:02,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:33:02,411 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:33:02,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:33:02,577 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:33:02,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02 WrapperNode [2020-12-01 16:33:02,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:33:02,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:33:02,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:33:02,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:33:02,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:33:02,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:33:02,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:33:02,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:33:02,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... [2020-12-01 16:33:02,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:33:02,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:33:02,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:33:02,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:33:02,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:33:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:33:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:33:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:33:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:33:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:33:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:33:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:33:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:33:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:33:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:33:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:33:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:33:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:33:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:33:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:33:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:33:04,168 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:33:04,169 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 16:33:04,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:33:04 BoogieIcfgContainer [2020-12-01 16:33:04,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:33:04,172 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:33:04,172 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:33:04,181 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:33:04,182 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:33:04" (1/1) ... [2020-12-01 16:33:04,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:33:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-12-01 16:33:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-12-01 16:33:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:33:04,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-12-01 16:33:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-12-01 16:33:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:33:04,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 16:33:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 16:33:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:33:04,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2020-12-01 16:33:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2020-12-01 16:33:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:33:05,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-12-01 16:33:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-12-01 16:33:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:33:05,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:05,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2020-12-01 16:33:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-12-01 16:33:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:33:05,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:05,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2020-12-01 16:33:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2020-12-01 16:33:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:33:05,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 151 transitions. [2020-12-01 16:33:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2020-12-01 16:33:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:33:06,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2020-12-01 16:33:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2020-12-01 16:33:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:33:06,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2020-12-01 16:33:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2020-12-01 16:33:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:33:06,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 110 states and 188 transitions. [2020-12-01 16:33:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2020-12-01 16:33:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:33:09,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:09,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 189 transitions. [2020-12-01 16:33:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 189 transitions. [2020-12-01 16:33:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:33:09,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 192 transitions. [2020-12-01 16:33:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2020-12-01 16:33:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:33:09,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 200 transitions. [2020-12-01 16:33:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2020-12-01 16:33:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:33:10,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 201 transitions. [2020-12-01 16:33:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2020-12-01 16:33:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:33:10,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:10,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 211 transitions. [2020-12-01 16:33:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2020-12-01 16:33:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:33:10,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:33:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 214 transitions. [2020-12-01 16:33:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 214 transitions. [2020-12-01 16:33:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:33:10,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:33:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 128 states and 230 transitions. [2020-12-01 16:33:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2020-12-01 16:33:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:33:11,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:33:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 231 transitions. [2020-12-01 16:33:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2020-12-01 16:33:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:33:11,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:33:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 132 states and 238 transitions. [2020-12-01 16:33:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 238 transitions. [2020-12-01 16:33:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:33:13,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:33:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 135 states and 245 transitions. [2020-12-01 16:33:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 245 transitions. [2020-12-01 16:33:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:33:14,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 143 states and 260 transitions. [2020-12-01 16:33:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 260 transitions. [2020-12-01 16:33:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:33:14,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 150 states and 276 transitions. [2020-12-01 16:33:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 276 transitions. [2020-12-01 16:33:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:33:15,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:33:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 151 states and 277 transitions. [2020-12-01 16:33:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2020-12-01 16:33:15,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:33:15,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 164 states and 309 transitions. [2020-12-01 16:33:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 309 transitions. [2020-12-01 16:33:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:33:18,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 165 states and 310 transitions. [2020-12-01 16:33:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 310 transitions. [2020-12-01 16:33:18,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:33:18,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:18,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 166 states and 311 transitions. [2020-12-01 16:33:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 311 transitions. [2020-12-01 16:33:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:33:18,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 167 states and 312 transitions. [2020-12-01 16:33:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 312 transitions. [2020-12-01 16:33:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:33:18,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 183 states and 354 transitions. [2020-12-01 16:33:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 354 transitions. [2020-12-01 16:33:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:33:21,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 197 states and 378 transitions. [2020-12-01 16:33:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 378 transitions. [2020-12-01 16:33:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:33:25,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 198 states and 379 transitions. [2020-12-01 16:33:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2020-12-01 16:33:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:33:25,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 214 states and 420 transitions. [2020-12-01 16:33:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 420 transitions. [2020-12-01 16:33:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:33:32,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 423 transitions. [2020-12-01 16:33:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2020-12-01 16:33:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:33:32,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:32,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 423 transitions. [2020-12-01 16:33:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2020-12-01 16:33:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:33:32,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 423 transitions. [2020-12-01 16:33:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2020-12-01 16:33:32,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:33:32,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 423 transitions. [2020-12-01 16:33:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2020-12-01 16:33:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:33:32,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 423 transitions. [2020-12-01 16:33:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2020-12-01 16:33:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:33:33,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 423 transitions. [2020-12-01 16:33:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2020-12-01 16:33:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:33:33,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:33:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:33:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:33:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 215 states and 423 transitions. [2020-12-01 16:33:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2020-12-01 16:33:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:33:33,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:33:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:33:33,188 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:33:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:33:33,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:33:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:33:33,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:33:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:33:33,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:33:36,293 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 39 iterations. [2020-12-01 16:33:36,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:33:36 ImpRootNode [2020-12-01 16:33:36,457 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:33:36,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:33:36,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:33:36,459 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:33:36,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:33:04" (3/4) ... [2020-12-01 16:33:36,461 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:33:36,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_acf740fd-1cb7-4efe-bddc-f9020ebe6ea2/bin/ukojak/witness.graphml [2020-12-01 16:33:36,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:33:36,581 INFO L168 Benchmark]: Toolchain (without parser) took 34646.28 ms. Allocated memory was 117.4 MB in the beginning and 541.1 MB in the end (delta: 423.6 MB). Free memory was 91.9 MB in the beginning and 413.8 MB in the end (delta: -321.9 MB). Peak memory consumption was 101.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:36,582 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:33:36,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.80 ms. Allocated memory is still 117.4 MB. Free memory was 91.9 MB in the beginning and 82.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:36,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.10 ms. Allocated memory is still 117.4 MB. Free memory was 82.6 MB in the beginning and 80.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:36,583 INFO L168 Benchmark]: Boogie Preprocessor took 61.74 ms. Allocated memory is still 117.4 MB. Free memory was 80.2 MB in the beginning and 78.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:36,583 INFO L168 Benchmark]: RCFGBuilder took 1459.06 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 78.1 MB in the beginning and 75.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:36,584 INFO L168 Benchmark]: CodeCheck took 32285.69 ms. Allocated memory was 146.8 MB in the beginning and 541.1 MB in the end (delta: 394.3 MB). Free memory was 75.3 MB in the beginning and 433.7 MB in the end (delta: -358.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:36,584 INFO L168 Benchmark]: Witness Printer took 121.28 ms. Allocated memory is still 541.1 MB. Free memory was 433.7 MB in the beginning and 413.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:36,586 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 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 32.0s, OverallIterations: 39, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1986408960 SDtfs, 531135104 SDslu, -1426877312 SDs, 0 SdLazy, -1343740928 SolverSat, 656965888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15149 GetRequests, 14746 SyntacticMatches, 38 SemanticMatches, 365 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64095 ImplicationChecksByTransitivity, 23.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1430 NumberOfCodeBlocks, 1430 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1341 ConstructedInterpolants, 0 QuantifiedInterpolants, 131896 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 28 PerfectInterpolantSequences, 287/361 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L418] int pumpRunning = 0; [L419] int systemActive = 1; [L657] int methAndRunningLastTime ; [L743] int cleanupTimeShifts = 4; [L841] int waterLevel = 1; [L842] int methaneLevelCritical = 0; [L817] int retValue_acc ; [L818] int tmp ; [L725] int retValue_acc ; [L728] retValue_acc = 1 [L729] return (retValue_acc); [L824] tmp = valid_product() [L826] COND TRUE \read(tmp) [L662] methAndRunningLastTime = 0 [L590] int splverifierCounter ; [L591] int tmp ; [L592] int tmp___0 ; [L593] int tmp___1 ; [L594] int tmp___2 ; [L597] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L599] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L601] COND TRUE splverifierCounter < 4 [L607] tmp = __VERIFIER_nondet_int() [L609] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L611] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] COND TRUE waterLevel < 2 [L860] waterLevel = waterLevel + 1 [L611] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L617] tmp___0 = __VERIFIER_nondet_int() [L619] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L871] COND FALSE !(\read(methaneLevelCritical)) [L874] methaneLevelCritical = 1 [L621] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L627] tmp___2 = __VERIFIER_nondet_int() [L629] COND FALSE !(\read(tmp___2)) [L633] tmp___1 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L644] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L426] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L433] COND TRUE \read(systemActive) [L455] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L458] COND TRUE ! pumpRunning [L552] int retValue_acc ; [L553] int tmp ; [L554] int tmp___0 ; [L921] int retValue_acc ; [L924] COND FALSE !(waterLevel < 2) [L928] retValue_acc = 0 [L929] return (retValue_acc); [L558] tmp = isHighWaterSensorDry() [L560] COND FALSE !(\read(tmp)) [L563] tmp___0 = 1 [L565] retValue_acc = tmp___0 [L566] return (retValue_acc); [L460] tmp = isHighWaterLevel() [L462] COND TRUE \read(tmp) [L483] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L667] int tmp ; [L668] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L672] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L880] int retValue_acc ; [L883] retValue_acc = methaneLevelCritical [L884] return (retValue_acc); [L672] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L672] tmp = isMethaneLevelCritical() [L674] COND TRUE \read(tmp) [L507] int retValue_acc ; [L510] retValue_acc = pumpRunning [L511] return (retValue_acc); [L676] tmp___0 = isPumpRunning() [L678] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L679] COND FALSE !(\read(methAndRunningLastTime)) [L684] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L644] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L599] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L601] COND TRUE splverifierCounter < 4 [L607] tmp = __VERIFIER_nondet_int() [L609] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L617] tmp___0 = __VERIFIER_nondet_int() [L619] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L627] tmp___2 = __VERIFIER_nondet_int() [L629] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L644] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L426] COND TRUE \read(pumpRunning) [L847] COND TRUE waterLevel > 0 [L848] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L433] COND TRUE \read(systemActive) [L455] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L458] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L473] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L667] int tmp ; [L668] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L672] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L880] int retValue_acc ; [L883] retValue_acc = methaneLevelCritical [L884] return (retValue_acc); [L672] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L672] tmp = isMethaneLevelCritical() [L674] COND TRUE \read(tmp) [L507] int retValue_acc ; [L510] retValue_acc = pumpRunning [L511] return (retValue_acc); [L676] tmp___0 = isPumpRunning() [L678] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L679] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec2_product35.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 641.80 ms. Allocated memory is still 117.4 MB. Free memory was 91.9 MB in the beginning and 82.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.10 ms. Allocated memory is still 117.4 MB. Free memory was 82.6 MB in the beginning and 80.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.74 ms. Allocated memory is still 117.4 MB. Free memory was 80.2 MB in the beginning and 78.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1459.06 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 78.1 MB in the beginning and 75.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * CodeCheck took 32285.69 ms. Allocated memory was 146.8 MB in the beginning and 541.1 MB in the end (delta: 394.3 MB). Free memory was 75.3 MB in the beginning and 433.7 MB in the end (delta: -358.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * Witness Printer took 121.28 ms. Allocated memory is still 541.1 MB. Free memory was 433.7 MB in the beginning and 413.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...