./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product55_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_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product55_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/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 f98010979adc33ea49508c52e1057d4173359b78 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:19:34,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:19:34,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:19:34,154 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:19:34,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:19:34,155 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:19:34,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:19:34,156 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:19:34,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:19:34,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:19:34,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:19:34,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:19:34,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:19:34,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:19:34,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:19:34,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:19:34,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:19:34,162 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:19:34,163 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:19:34,164 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:19:34,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:19:34,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:19:34,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:19:34,166 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:19:34,166 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:19:34,167 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:19:34,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:19:34,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:19:34,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:19:34,169 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:19:34,169 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:19:34,169 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:19:34,169 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:19:34,169 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:19:34,170 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:19:34,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:19:34,171 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 21:19:34,178 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:19:34,178 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:19:34,179 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:19:34,179 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 21:19:34,179 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:19:34,179 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:19:34,179 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:19:34,179 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:19:34,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:19:34,181 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:19:34,181 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:19:34,181 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 21:19:34,181 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 21:19:34,181 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:19:34,181 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:19:34,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 21:19:34,182 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:19:34,182 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:19:34,182 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:19:34,182 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 21:19:34,182 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:19:34,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:19:34,182 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_3591cfdb-221a-4b1b-8016-2ae68cfacc58/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 -> f98010979adc33ea49508c52e1057d4173359b78 [2018-12-02 21:19:34,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:19:34,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:19:34,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:19:34,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:19:34,210 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:19:34,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product55_false-unreach-call_false-termination.cil.c [2018-12-02 21:19:34,242 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/data/3badec7c5/e2bc1a21358c4bf98f51d9521ce12406/FLAG2f790cdf8 [2018-12-02 21:19:34,686 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:19:34,687 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/sv-benchmarks/c/product-lines/minepump_spec1_product55_false-unreach-call_false-termination.cil.c [2018-12-02 21:19:34,693 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/data/3badec7c5/e2bc1a21358c4bf98f51d9521ce12406/FLAG2f790cdf8 [2018-12-02 21:19:34,701 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/data/3badec7c5/e2bc1a21358c4bf98f51d9521ce12406 [2018-12-02 21:19:34,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:19:34,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:19:34,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:19:34,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:19:34,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:19:34,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:34,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34, skipping insertion in model container [2018-12-02 21:19:34,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:34,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:19:34,733 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:19:34,883 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:19:34,890 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:19:34,969 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:19:34,984 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:19:34,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34 WrapperNode [2018-12-02 21:19:34,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:19:34,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:19:34,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:19:34,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:19:34,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:19:35,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:19:35,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:19:35,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:19:35,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... [2018-12-02 21:19:35,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:19:35,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:19:35,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:19:35,037 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:19:35,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/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 21:19:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:19:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 21:19:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 21:19:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 21:19:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 21:19:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 21:19:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 21:19:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 21:19:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 21:19:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 21:19:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 21:19:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 21:19:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 21:19:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 21:19:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 21:19:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 21:19:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 21:19:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 21:19:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 21:19:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 21:19:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:19:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:19:35,499 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:19:35,499 INFO L280 CfgBuilder]: Removed 42 assue(true) statements. [2018-12-02 21:19:35,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:35 BoogieIcfgContainer [2018-12-02 21:19:35,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:19:35,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 21:19:35,500 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 21:19:35,509 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 21:19:35,509 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:35" (1/1) ... [2018-12-02 21:19:35,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:19:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:35,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 97 transitions. [2018-12-02 21:19:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2018-12-02 21:19:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 21:19:35,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:35,651 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 21:19:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2018-12-02 21:19:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2018-12-02 21:19:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 21:19:35,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:35,711 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 21:19:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2018-12-02 21:19:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2018-12-02 21:19:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 21:19:35,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:35,774 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 21:19:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2018-12-02 21:19:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2018-12-02 21:19:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:19:35,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:35,888 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 21:19:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2018-12-02 21:19:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2018-12-02 21:19:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 21:19:35,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:35,914 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 21:19:35,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2018-12-02 21:19:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2018-12-02 21:19:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 21:19:35,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:35,941 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 21:19:35,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2018-12-02 21:19:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2018-12-02 21:19:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 21:19:35,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:36,012 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 21:19:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2018-12-02 21:19:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2018-12-02 21:19:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 21:19:36,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:36,255 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 21:19:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 104 states and 161 transitions. [2018-12-02 21:19:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 161 transitions. [2018-12-02 21:19:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 21:19:36,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:36,333 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 21:19:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2018-12-02 21:19:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2018-12-02 21:19:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 21:19:36,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:19:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2018-12-02 21:19:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2018-12-02 21:19:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 21:19:37,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:37,028 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 21:19:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2018-12-02 21:19:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2018-12-02 21:19:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 21:19:37,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:37,172 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 21:19:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 133 states and 224 transitions. [2018-12-02 21:19:37,236 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2018-12-02 21:19:37,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 21:19:37,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 21:19:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 136 states and 232 transitions. [2018-12-02 21:19:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 232 transitions. [2018-12-02 21:19:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 21:19:37,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:37,397 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 21:19:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 233 transitions. [2018-12-02 21:19:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-12-02 21:19:37,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 21:19:37,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:37,574 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 21:19:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 153 states and 279 transitions. [2018-12-02 21:19:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 279 transitions. [2018-12-02 21:19:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 21:19:38,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:38,198 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 21:19:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 154 states and 280 transitions. [2018-12-02 21:19:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 280 transitions. [2018-12-02 21:19:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 21:19:38,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:38,229 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 21:19:38,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 157 states and 288 transitions. [2018-12-02 21:19:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 288 transitions. [2018-12-02 21:19:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 21:19:38,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:38,389 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 21:19:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 159 states and 292 transitions. [2018-12-02 21:19:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 292 transitions. [2018-12-02 21:19:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 21:19:38,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:38,494 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 21:19:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 164 states and 300 transitions. [2018-12-02 21:19:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 300 transitions. [2018-12-02 21:19:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 21:19:38,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:38,678 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 21:19:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 164 states and 297 transitions. [2018-12-02 21:19:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2018-12-02 21:19:38,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 21:19:38,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:38,778 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 21:19:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 167 states and 303 transitions. [2018-12-02 21:19:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 303 transitions. [2018-12-02 21:19:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 21:19:38,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:19:38,869 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 21:19:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 21:19:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 168 states and 304 transitions. [2018-12-02 21:19:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 304 transitions. [2018-12-02 21:19:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 21:19:38,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 21:19:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:19:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:19:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:19:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:19:39,031 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2018-12-02 21:19:39,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:19:39 ImpRootNode [2018-12-02 21:19:39,097 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 21:19:39,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:19:39,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:19:39,098 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:19:39,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:35" (3/4) ... [2018-12-02 21:19:39,099 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 21:19:39,178 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3591cfdb-221a-4b1b-8016-2ae68cfacc58/bin-2019/ukojak/witness.graphml [2018-12-02 21:19:39,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:19:39,179 INFO L168 Benchmark]: Toolchain (without parser) took 4475.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 256.4 MB). Free memory was 957.1 MB in the beginning and 938.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 274.9 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:39,179 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:19:39,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -113.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:39,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:19:39,180 INFO L168 Benchmark]: Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:19:39,180 INFO L168 Benchmark]: RCFGBuilder took 462.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.2 MB in the end (delta: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:39,180 INFO L168 Benchmark]: CodeCheck took 3596.91 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 993.2 MB in the beginning and 957.5 MB in the end (delta: 35.6 MB). Peak memory consumption was 204.5 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:39,181 INFO L168 Benchmark]: Witness Printer took 80.76 ms. Allocated memory is still 1.3 GB. Free memory was 957.5 MB in the beginning and 938.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:39,182 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 10 procedures, 95 locations, 1 error locations. UNSAFE Result, 3.5s OverallTime, 23 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95813128 SDtfs, 30572816 SDslu, 48223796 SDs, 0 SdLazy, 33748584 SolverSat, 10592632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5916 GetRequests, 5762 SyntacticMatches, 36 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5804 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 657 NumberOfCodeBlocks, 657 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 597 ConstructedInterpolants, 0 QuantifiedInterpolants, 46678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 4/4 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: 506]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L159] int pumpRunning = 0; [L160] int systemActive = 1; [L399] int waterLevel = 1; [L400] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L802] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L584] int retValue_acc ; [L585] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L591] tmp = valid_product() [L593] COND TRUE \read(tmp) [L84] int splverifierCounter ; [L85] int tmp ; [L86] int tmp___0 ; [L87] int tmp___1 ; [L88] int tmp___2 ; [L91] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L93] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L95] COND TRUE splverifierCounter < 4 [L101] tmp = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L105] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] COND TRUE waterLevel < 2 [L418] waterLevel = waterLevel + 1 [L105] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] tmp___0 = __VERIFIER_nondet_int() [L113] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L429] COND FALSE !(\read(methaneLevelCritical)) [L432] methaneLevelCritical = 1 [L115] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L121] tmp___2 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L138] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L167] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L174] COND TRUE \read(systemActive) [L248] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L251] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L266] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L222] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L225] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L240] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L196] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L199] COND TRUE ! pumpRunning [L345] int retValue_acc ; [L346] int tmp ; [L347] int tmp___0 ; [L479] int retValue_acc ; [L482] COND FALSE !(waterLevel < 2) [L486] retValue_acc = 0 [L487] return (retValue_acc); [L351] tmp = isHighWaterSensorDry() [L353] COND FALSE !(\read(tmp)) [L356] tmp___0 = 1 [L358] retValue_acc = tmp___0 [L359] return (retValue_acc); [L201] tmp = isHighWaterLevel() [L203] COND TRUE \read(tmp) [L276] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L240] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L266] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L608] int tmp ; [L609] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L613] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L438] int retValue_acc ; [L441] retValue_acc = methaneLevelCritical [L442] return (retValue_acc); [L613] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L613] tmp = isMethaneLevelCritical() [L615] COND TRUE \read(tmp) [L300] int retValue_acc ; [L303] retValue_acc = pumpRunning [L304] return (retValue_acc); [L617] tmp___0 = isPumpRunning() [L619] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -113.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 462.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.2 MB in the end (delta: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. * CodeCheck took 3596.91 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 993.2 MB in the beginning and 957.5 MB in the end (delta: 35.6 MB). Peak memory consumption was 204.5 MB. Max. memory is 11.5 GB. * Witness Printer took 80.76 ms. Allocated memory is still 1.3 GB. Free memory was 957.5 MB in the beginning and 938.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...