./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/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 49fa497f38e3a46185ee804b3f30fdc119cb200c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:46:34,473 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:46:34,474 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:46:34,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:46:34,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:46:34,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:46:34,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:46:34,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:46:34,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:46:34,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:46:34,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:46:34,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:46:34,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:46:34,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:46:34,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:46:34,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:46:34,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:46:34,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:46:34,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:46:34,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:46:34,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:46:34,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:46:34,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:46:34,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:46:34,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:46:34,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:46:34,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:46:34,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:46:34,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:46:34,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:46:34,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:46:34,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:46:34,495 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:46:34,495 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:46:34,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:46:34,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:46:34,496 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 23:46:34,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:46:34,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:46:34,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:46:34,504 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 23:46:34,504 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:46:34,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:46:34,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:46:34,504 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:46:34,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:46:34,505 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 23:46:34,506 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 23:46:34,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:46:34,506 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/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 -> 49fa497f38e3a46185ee804b3f30fdc119cb200c [2018-12-02 23:46:34,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:46:34,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:46:34,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:46:34,534 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:46:34,534 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:46:34,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-02 23:46:34,572 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/data/3062f15ff/c6aa712f46c6418d94a6cb0b9c700a14/FLAG10ead4f24 [2018-12-02 23:46:34,996 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:46:34,996 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-02 23:46:35,003 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/data/3062f15ff/c6aa712f46c6418d94a6cb0b9c700a14/FLAG10ead4f24 [2018-12-02 23:46:35,011 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/data/3062f15ff/c6aa712f46c6418d94a6cb0b9c700a14 [2018-12-02 23:46:35,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:46:35,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:46:35,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:46:35,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:46:35,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:46:35,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35, skipping insertion in model container [2018-12-02 23:46:35,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:46:35,041 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:46:35,183 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:46:35,224 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:46:35,271 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:46:35,286 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:46:35,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35 WrapperNode [2018-12-02 23:46:35,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:46:35,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:46:35,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:46:35,287 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:46:35,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:46:35,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:46:35,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:46:35,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:46:35,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:46:35,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:46:35,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:46:35,336 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:46:35,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/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 [2018-12-02 23:46:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:46:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 23:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 23:46:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 23:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 23:46:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 23:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 23:46:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 23:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 23:46:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 23:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 23:46:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 23:46:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 23:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 23:46:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:46:35,804 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:46:35,805 INFO L280 CfgBuilder]: Removed 42 assue(true) statements. [2018-12-02 23:46:35,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:35 BoogieIcfgContainer [2018-12-02 23:46:35,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:46:35,806 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 23:46:35,806 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 23:46:35,815 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 23:46:35,816 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:35" (1/1) ... [2018-12-02 23:46:35,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-02 23:46:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-02 23:46:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 23:46:35,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-02 23:46:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-02 23:46:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 23:46:35,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:36,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-02 23:46:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-02 23:46:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 23:46:36,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2018-12-02 23:46:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2018-12-02 23:46:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 23:46:36,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2018-12-02 23:46:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2018-12-02 23:46:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 23:46:36,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2018-12-02 23:46:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2018-12-02 23:46:36,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 23:46:36,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2018-12-02 23:46:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2018-12-02 23:46:36,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 23:46:36,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions. [2018-12-02 23:46:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2018-12-02 23:46:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 23:46:36,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:37,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:37,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 92 states and 152 transitions. [2018-12-02 23:46:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 152 transitions. [2018-12-02 23:46:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 23:46:37,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 93 states and 153 transitions. [2018-12-02 23:46:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2018-12-02 23:46:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 23:46:37,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 95 states and 156 transitions. [2018-12-02 23:46:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 156 transitions. [2018-12-02 23:46:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 23:46:37,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 101 states and 169 transitions. [2018-12-02 23:46:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 169 transitions. [2018-12-02 23:46:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 23:46:37,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 201 transitions. [2018-12-02 23:46:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2018-12-02 23:46:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 23:46:38,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 204 transitions. [2018-12-02 23:46:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2018-12-02 23:46:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 23:46:38,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 205 transitions. [2018-12-02 23:46:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 205 transitions. [2018-12-02 23:46:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 23:46:38,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 125 states and 225 transitions. [2018-12-02 23:46:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 225 transitions. [2018-12-02 23:46:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 23:46:39,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 125 states and 224 transitions. [2018-12-02 23:46:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 224 transitions. [2018-12-02 23:46:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 23:46:39,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 23:46:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 127 states and 225 transitions. [2018-12-02 23:46:39,481 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 225 transitions. [2018-12-02 23:46:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 23:46:39,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 23:46:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 130 states and 233 transitions. [2018-12-02 23:46:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 233 transitions. [2018-12-02 23:46:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 23:46:40,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 132 states and 238 transitions. [2018-12-02 23:46:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 238 transitions. [2018-12-02 23:46:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 23:46:40,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 134 states and 240 transitions. [2018-12-02 23:46:40,535 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 240 transitions. [2018-12-02 23:46:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 23:46:40,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 137 states and 246 transitions. [2018-12-02 23:46:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2018-12-02 23:46:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 23:46:40,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 140 states and 253 transitions. [2018-12-02 23:46:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 253 transitions. [2018-12-02 23:46:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 23:46:40,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 142 states and 254 transitions. [2018-12-02 23:46:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2018-12-02 23:46:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 23:46:41,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 143 states and 257 transitions. [2018-12-02 23:46:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 257 transitions. [2018-12-02 23:46:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 23:46:41,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 23:46:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 144 states and 258 transitions. [2018-12-02 23:46:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 258 transitions. [2018-12-02 23:46:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 23:46:41,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 151 states and 277 transitions. [2018-12-02 23:46:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2018-12-02 23:46:41,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 23:46:41,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 153 states and 278 transitions. [2018-12-02 23:46:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 278 transitions. [2018-12-02 23:46:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 23:46:41,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:41,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 154 states and 279 transitions. [2018-12-02 23:46:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 279 transitions. [2018-12-02 23:46:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 23:46:41,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 155 states and 280 transitions. [2018-12-02 23:46:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 280 transitions. [2018-12-02 23:46:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 23:46:41,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 168 states and 314 transitions. [2018-12-02 23:46:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 314 transitions. [2018-12-02 23:46:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 23:46:45,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 169 states and 315 transitions. [2018-12-02 23:46:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 315 transitions. [2018-12-02 23:46:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 23:46:45,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 183 states and 352 transitions. [2018-12-02 23:46:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 352 transitions. [2018-12-02 23:46:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 23:46:47,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 189 states and 368 transitions. [2018-12-02 23:46:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 368 transitions. [2018-12-02 23:46:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 23:46:48,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:48,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 192 states and 375 transitions. [2018-12-02 23:46:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 375 transitions. [2018-12-02 23:46:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 23:46:48,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 194 states and 377 transitions. [2018-12-02 23:46:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 377 transitions. [2018-12-02 23:46:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 23:46:48,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 23:46:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:46:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 210 states and 424 transitions. [2018-12-02 23:46:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 424 transitions. [2018-12-02 23:46:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 23:46:55,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:46:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:46:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:46:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:46:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:46:55,472 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 37 iterations. [2018-12-02 23:46:55,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:46:55 ImpRootNode [2018-12-02 23:46:55,560 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 23:46:55,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:46:55,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:46:55,561 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:46:55,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:35" (3/4) ... [2018-12-02 23:46:55,563 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 23:46:55,643 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dc8219a2-99db-43bc-94e8-4c7714cd2f9f/bin-2019/ukojak/witness.graphml [2018-12-02 23:46:55,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:46:55,643 INFO L168 Benchmark]: Toolchain (without parser) took 20630.83 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 507.0 MB). Free memory was 951.7 MB in the beginning and 992.2 MB in the end (delta: -40.5 MB). Peak memory consumption was 466.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:55,644 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:46:55,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:55,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.41 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. [2018-12-02 23:46:55,645 INFO L168 Benchmark]: Boogie Preprocessor took 19.07 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. [2018-12-02 23:46:55,645 INFO L168 Benchmark]: RCFGBuilder took 468.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:55,645 INFO L168 Benchmark]: CodeCheck took 19754.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 377.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 392.6 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:55,645 INFO L168 Benchmark]: Witness Printer took 82.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 992.2 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:55,646 INFO L336 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, 70 locations, 1 error locations. UNSAFE Result, 19.6s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1475311028 SDtfs, 1569003772 SDslu, -1797099704 SDs, 0 SdLazy, -429056098 SolverSat, 882112126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13343 GetRequests, 12913 SyntacticMatches, 66 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68142 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1304 NumberOfCodeBlocks, 1304 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1217 ConstructedInterpolants, 0 QuantifiedInterpolants, 103917 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 33 PerfectInterpolantSequences, 320/331 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 900]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; [L623] int retValue_acc ; [L624] int tmp ; [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L910] methAndRunningLastTime = 0 [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L849] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L849] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L859] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) [L688] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) [L716] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L822] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) [L688] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L927] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.41 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. * Boogie Preprocessor took 19.07 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 468.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. * CodeCheck took 19754.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 377.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 392.6 MB. Max. memory is 11.5 GB. * Witness Printer took 82.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 992.2 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...