./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.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_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/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 0b82b0f998a9d26b358f90a637412c0e37109780 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:42:19,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:42:19,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:42:19,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:42:19,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:42:19,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:42:19,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:42:19,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:42:19,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:42:19,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:42:19,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:42:19,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:42:19,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:42:19,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:42:19,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:42:19,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:42:19,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:42:19,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:42:19,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:42:19,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:42:19,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:42:19,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:42:19,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:42:19,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:42:19,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:42:19,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:42:19,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:42:19,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:42:19,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:42:19,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:42:19,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:42:19,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:42:19,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:42:19,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:42:19,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:42:19,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:42:19,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:42:19,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:42:19,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:42:19,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:42:19,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:42:19,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:42:19,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:42:19,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:42:19,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:42:19,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:42:19,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:42:19,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:42:19,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:42:19,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:42:19,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:42:19,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:42:19,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:42:19,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:42:19,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:42:19,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:42:19,931 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:42:19,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:42:19,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:42:19,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:42:19,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:42:19,932 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:42:19,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:42:19,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:42:19,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:42:19,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:42:19,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:42:19,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:42:19,937 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:42:19,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:42:19,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:42:19,938 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_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b82b0f998a9d26b358f90a637412c0e37109780 [2020-12-01 16:42:20,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:42:20,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:42:20,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:42:20,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:42:20,281 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:42:20,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-12-01 16:42:20,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/data/ddb232555/4132f69e20e04d028b6821423bade698/FLAGbb6fb7858 [2020-12-01 16:42:20,862 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:42:20,863 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-12-01 16:42:20,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/data/ddb232555/4132f69e20e04d028b6821423bade698/FLAGbb6fb7858 [2020-12-01 16:42:21,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/data/ddb232555/4132f69e20e04d028b6821423bade698 [2020-12-01 16:42:21,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:42:21,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:42:21,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:42:21,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:42:21,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:42:21,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4132eb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21, skipping insertion in model container [2020-12-01 16:42:21,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:42:21,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:42:21,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:42:21,623 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:42:21,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:42:21,753 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:42:21,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21 WrapperNode [2020-12-01 16:42:21,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:42:21,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:42:21,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:42:21,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:42:21,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:42:21,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:42:21,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:42:21,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:42:21,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... [2020-12-01 16:42:21,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:42:21,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:42:21,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:42:21,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:42:21,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:42:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/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 16:42:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:42:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:42:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:42:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:42:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:42:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:42:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:42:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:42:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:42:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:42:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:42:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:42:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:42:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:42:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:42:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:42:23,181 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:42:23,181 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 16:42:23,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:42:23 BoogieIcfgContainer [2020-12-01 16:42:23,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:42:23,185 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:42:23,185 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:42:23,196 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:42:23,197 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:42:23" (1/1) ... [2020-12-01 16:42:23,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:42:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-12-01 16:42:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-12-01 16:42:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:42:23,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:23,591 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 16:42:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 16:42:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 16:42:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:42:23,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:23,722 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 16:42:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-12-01 16:42:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-12-01 16:42:23,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:42:23,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:23,851 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 16:42:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2020-12-01 16:42:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-12-01 16:42:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:42:24,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:24,254 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 16:42:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2020-12-01 16:42:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2020-12-01 16:42:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:42:24,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:24,919 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 16:42:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 128 transitions. [2020-12-01 16:42:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2020-12-01 16:42:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:42:24,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:25,075 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 16:42:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 97 states and 163 transitions. [2020-12-01 16:42:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 163 transitions. [2020-12-01 16:42:26,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:42:26,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:26,155 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 16:42:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 99 states and 165 transitions. [2020-12-01 16:42:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 165 transitions. [2020-12-01 16:42:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:42:26,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:26,356 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 16:42:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 103 states and 172 transitions. [2020-12-01 16:42:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2020-12-01 16:42:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:42:26,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:42:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 108 states and 182 transitions. [2020-12-01 16:42:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 182 transitions. [2020-12-01 16:42:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:42:26,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:42:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 183 transitions. [2020-12-01 16:42:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 183 transitions. [2020-12-01 16:42:26,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:42:26,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:42:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 184 transitions. [2020-12-01 16:42:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2020-12-01 16:42:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:42:26,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:42:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 186 transitions. [2020-12-01 16:42:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2020-12-01 16:42:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:42:27,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:27,376 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 16:42:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 194 transitions. [2020-12-01 16:42:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2020-12-01 16:42:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:42:28,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:42:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 122 states and 209 transitions. [2020-12-01 16:42:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2020-12-01 16:42:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:42:28,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:28,749 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 16:42:28,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 219 transitions. [2020-12-01 16:42:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 219 transitions. [2020-12-01 16:42:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:42:28,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:28,918 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 16:42:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 128 states and 220 transitions. [2020-12-01 16:42:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2020-12-01 16:42:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:42:28,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:28,972 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 16:42:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 131 states and 227 transitions. [2020-12-01 16:42:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 227 transitions. [2020-12-01 16:42:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:42:29,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:42:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 254 transitions. [2020-12-01 16:42:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 254 transitions. [2020-12-01 16:42:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:42:30,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:42:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 270 transitions. [2020-12-01 16:42:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 270 transitions. [2020-12-01 16:42:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:42:32,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 16:42:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 152 states and 271 transitions. [2020-12-01 16:42:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2020-12-01 16:42:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:42:32,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:42:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 159 states and 283 transitions. [2020-12-01 16:42:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2020-12-01 16:42:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:42:33,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:42:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 162 states and 288 transitions. [2020-12-01 16:42:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2020-12-01 16:42:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:42:33,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:42:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 163 states and 289 transitions. [2020-12-01 16:42:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2020-12-01 16:42:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:42:33,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 16:42:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 290 transitions. [2020-12-01 16:42:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 290 transitions. [2020-12-01 16:42:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:42:33,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:42:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:42:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 16:42:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:42:33,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 55 states and 66 transitions. [2020-12-01 16:42:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-12-01 16:42:33,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:42:33,656 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2020-12-01 16:42:33,666 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:42:33,952 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,957 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 16:42:33,962 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,962 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,962 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,963 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,963 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,963 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,963 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,963 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,964 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:42:33,965 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 16:42:33,966 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:42:33,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:42:33 ImpRootNode [2020-12-01 16:42:33,966 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:42:33,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:42:33,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:42:33,967 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:42:33,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:42:23" (3/4) ... [2020-12-01 16:42:33,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:42:33,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:42:33,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:42:33,978 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:42:33,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:42:33,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:42:33,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:42:33,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 16:42:33,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 16:42:33,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:42:33,991 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:42:33,991 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:42:33,992 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:42:33,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:42:34,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 16:42:34,067 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b6a977fd-90fc-45bb-b394-bc2fc10ec52a/bin/ukojak/witness.graphml [2020-12-01 16:42:34,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:42:34,069 INFO L168 Benchmark]: Toolchain (without parser) took 12848.87 ms. Allocated memory was 98.6 MB in the beginning and 270.5 MB in the end (delta: 172.0 MB). Free memory was 62.9 MB in the beginning and 141.4 MB in the end (delta: -78.5 MB). Peak memory consumption was 92.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:42:34,070 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 70.0 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:42:34,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.32 ms. Allocated memory is still 98.6 MB. Free memory was 62.8 MB in the beginning and 65.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:42:34,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.74 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 62.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:42:34,071 INFO L168 Benchmark]: Boogie Preprocessor took 68.55 ms. Allocated memory is still 98.6 MB. Free memory was 62.7 MB in the beginning and 61.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:42:34,072 INFO L168 Benchmark]: RCFGBuilder took 1274.41 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 61.0 MB in the beginning and 97.2 MB in the end (delta: -36.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:42:34,072 INFO L168 Benchmark]: CodeCheck took 10781.65 ms. Allocated memory was 121.6 MB in the beginning and 270.5 MB in the end (delta: 148.9 MB). Free memory was 97.2 MB in the beginning and 146.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:42:34,073 INFO L168 Benchmark]: Witness Printer took 100.39 ms. Allocated memory is still 270.5 MB. Free memory was 146.6 MB in the beginning and 141.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:42:34,075 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, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 798914324 SDtfs, 284893604 SDslu, 558243236 SDs, 0 SdLazy, 597349588 SolverSat, 202612652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9672 GetRequests, 9487 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13212 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 988 NumberOfCodeBlocks, 988 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 963 ConstructedInterpolants, 0 QuantifiedInterpolants, 81716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 310/336 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: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((tmp == systemActive && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 70.0 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.32 ms. Allocated memory is still 98.6 MB. Free memory was 62.8 MB in the beginning and 65.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.74 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 62.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.55 ms. Allocated memory is still 98.6 MB. Free memory was 62.7 MB in the beginning and 61.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1274.41 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 61.0 MB in the beginning and 97.2 MB in the end (delta: -36.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * CodeCheck took 10781.65 ms. Allocated memory was 121.6 MB in the beginning and 270.5 MB in the end (delta: 148.9 MB). Free memory was 97.2 MB in the beginning and 146.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.1 GB. * Witness Printer took 100.39 ms. Allocated memory is still 270.5 MB. Free memory was 146.6 MB in the beginning and 141.4 MB in the end (delta: 5.3 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...