./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:10,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:10,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:10,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:10,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:10,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:10,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:10,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:10,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:10,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:10,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:10,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:10,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:10,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:10,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:10,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:10,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:10,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:10,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:10,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:10,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:10,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:10,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:10,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:10,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:10,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:10,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:10,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:10,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:10,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:10,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:10,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:10,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:10,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:10,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:10,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:10,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:10,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:10,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:10,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:10,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:10,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:10,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:10,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:10,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:10,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:10,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:10,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:10,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:10,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:10,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:10,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:10,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:10,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:10,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:10,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:10,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:10,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:10,744 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:10,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:10,744 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:10,745 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:10,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:10,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:10,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:10,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:10,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:10,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:10,746 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:10,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:10,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:10,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/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(__VERIFIER_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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-10-22 10:15:10,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:10,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:10,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:10,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:10,789 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:10,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-10-22 10:15:10,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/data/5a9f06015/4807b7d495394d44a2e8a880edd9dbdd/FLAG41086da31 [2019-10-22 10:15:11,294 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:11,296 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-10-22 10:15:11,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/data/5a9f06015/4807b7d495394d44a2e8a880edd9dbdd/FLAG41086da31 [2019-10-22 10:15:11,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/data/5a9f06015/4807b7d495394d44a2e8a880edd9dbdd [2019-10-22 10:15:11,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:11,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:11,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:11,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:11,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:11,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:11" (1/1) ... [2019-10-22 10:15:11,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5476c4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:11, skipping insertion in model container [2019-10-22 10:15:11,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:11" (1/1) ... [2019-10-22 10:15:11,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:11,687 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:11,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:12,001 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:12,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:12,139 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:12,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12 WrapperNode [2019-10-22 10:15:12,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:12,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:12,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:12,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:12,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:12,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:12,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:12,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:12,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... [2019-10-22 10:15:12,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:12,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:12,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:12,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:12,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/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 [2019-10-22 10:15:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:15:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:15:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:15:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:15:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:15:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:15:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:15:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:15:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:15:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:15:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:15:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:15:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:15:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:15:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:15:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:15:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:15:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:15:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:13,052 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:13,052 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:15:13,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:13 BoogieIcfgContainer [2019-10-22 10:15:13,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:13,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:13,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:13,064 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:13,064 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:13" (1/1) ... [2019-10-22 10:15:13,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2019-10-22 10:15:13,103 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2019-10-22 10:15:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:15:13,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2019-10-22 10:15:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2019-10-22 10:15:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:15:13,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2019-10-22 10:15:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2019-10-22 10:15:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:15:13,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2019-10-22 10:15:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2019-10-22 10:15:13,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:15:13,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2019-10-22 10:15:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-10-22 10:15:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:15:13,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2019-10-22 10:15:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2019-10-22 10:15:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:15:13,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:14,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2019-10-22 10:15:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2019-10-22 10:15:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:15:14,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2019-10-22 10:15:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2019-10-22 10:15:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:15:14,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 107 states and 169 transitions. [2019-10-22 10:15:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2019-10-22 10:15:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:15:15,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:15,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 108 states and 170 transitions. [2019-10-22 10:15:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2019-10-22 10:15:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:15:15,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 113 states and 179 transitions. [2019-10-22 10:15:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 179 transitions. [2019-10-22 10:15:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:15:15,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 184 transitions. [2019-10-22 10:15:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2019-10-22 10:15:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:15:16,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 178 transitions. [2019-10-22 10:15:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2019-10-22 10:15:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:15:16,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 191 transitions. [2019-10-22 10:15:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 191 transitions. [2019-10-22 10:15:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:15:16,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 187 transitions. [2019-10-22 10:15:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2019-10-22 10:15:16,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:15:16,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:15:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 196 transitions. [2019-10-22 10:15:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2019-10-22 10:15:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:15:17,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 200 transitions. [2019-10-22 10:15:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2019-10-22 10:15:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:18,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:15:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 113 states and 180 transitions. [2019-10-22 10:15:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 180 transitions. [2019-10-22 10:15:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:15:18,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:15:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 121 states and 204 transitions. [2019-10-22 10:15:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2019-10-22 10:15:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:15:19,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:15:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 128 states and 220 transitions. [2019-10-22 10:15:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2019-10-22 10:15:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 10:15:20,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:15:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 134 states and 231 transitions. [2019-10-22 10:15:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2019-10-22 10:15:21,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:15:21,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:15:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 137 states and 236 transitions. [2019-10-22 10:15:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2019-10-22 10:15:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:15:21,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:15:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 139 states and 238 transitions. [2019-10-22 10:15:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2019-10-22 10:15:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:15:21,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:15:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 121 states and 195 transitions. [2019-10-22 10:15:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2019-10-22 10:15:21,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:15:21,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:15:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 123 states and 195 transitions. [2019-10-22 10:15:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2019-10-22 10:15:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 10:15:22,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-22 10:15:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 125 states and 198 transitions. [2019-10-22 10:15:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2019-10-22 10:15:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-22 10:15:22,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-22 10:15:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 126 states and 199 transitions. [2019-10-22 10:15:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2019-10-22 10:15:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-22 10:15:22,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-22 10:15:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 71 states and 87 transitions. [2019-10-22 10:15:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2019-10-22 10:15:22,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:15:22,929 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2019-10-22 10:15:22,938 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:15:23,193 INFO L575 CodeCheckObserver]: Invariant with dag size 15 [2019-10-22 10:15:23,201 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,202 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,202 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,202 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,202 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:15:23,203 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,203 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:15:23,203 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,203 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,203 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:15:23,204 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,204 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:23,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:23 ImpRootNode [2019-10-22 10:15:23,205 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:23,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:23,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:23,205 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:23,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:13" (3/4) ... [2019-10-22 10:15:23,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:15:23,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:15:23,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:15:23,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:15:23,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:15:23,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:15:23,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:15:23,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:15:23,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-10-22 10:15:23,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2019-10-22 10:15:23,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 10:15:23,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:15:23,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:15:23,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:15:23,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:15:23,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-10-22 10:15:23,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-10-22 10:15:23,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == tmp) && !(pumpRunning == 0)) || (!(0 == tmp) && !(pumpRunning == \old(pumpRunning)))) || methaneLevelCritical == tmp [2019-10-22 10:15:23,324 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60a54538-189e-4e76-9122-8c3fa03cefa6/bin/ukojak/witness.graphml [2019-10-22 10:15:23,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:23,326 INFO L168 Benchmark]: Toolchain (without parser) took 11696.08 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.1 MB). Free memory was 943.4 MB in the beginning and 927.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 429.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,327 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:23,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:23,327 INFO L168 Benchmark]: Boogie Preprocessor took 36.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:23,327 INFO L168 Benchmark]: RCFGBuilder took 823.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 83.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,328 INFO L168 Benchmark]: CodeCheck took 10150.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.1 GB in the beginning and 942.1 MB in the end (delta: 110.1 MB). Peak memory consumption was 363.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,328 INFO L168 Benchmark]: Witness Printer took 119.85 ms. Allocated memory is still 1.4 GB. Free memory was 942.1 MB in the beginning and 927.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:23,329 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 28, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1196381628 SDtfs, 850541948 SDslu, 1432943484 SDs, 0 SdLazy, 1318014332 SolverSat, 423762852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11678 GetRequests, 11428 SyntacticMatches, 54 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14799 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1199 NumberOfCodeBlocks, 1199 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1172 ConstructedInterpolants, 0 QuantifiedInterpolants, 108405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 20 PerfectInterpolantSequences, 362/379 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: 650]: 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: 426]: Loop Invariant Derived loop invariant: ((!(0 == tmp) && !(pumpRunning == 0)) || (!(0 == tmp) && !(pumpRunning == \old(pumpRunning)))) || methaneLevelCritical == tmp - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((1 == tmp && tmp == systemActive) && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 823.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 83.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. * CodeCheck took 10150.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.1 GB in the beginning and 942.1 MB in the end (delta: 110.1 MB). Peak memory consumption was 363.9 MB. Max. memory is 11.5 GB. * Witness Printer took 119.85 ms. Allocated memory is still 1.4 GB. Free memory was 942.1 MB in the beginning and 927.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...