./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04_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_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77951208f64a8e7a2de110a05be31eef72f84584 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:40:28,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:40:28,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:40:28,175 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:40:28,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:40:28,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:40:28,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:40:28,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:40:28,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:40:28,178 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:40:28,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:40:28,179 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:40:28,179 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:40:28,180 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:40:28,180 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:40:28,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:40:28,181 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:40:28,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:40:28,183 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:40:28,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:40:28,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:40:28,185 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:40:28,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:40:28,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:40:28,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:40:28,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:40:28,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:40:28,187 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:40:28,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:40:28,188 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:40:28,188 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:40:28,189 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:40:28,189 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:40:28,189 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:40:28,189 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:40:28,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:40:28,190 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 18:40:28,197 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:40:28,197 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:40:28,197 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:40:28,198 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:40:28,198 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:40:28,198 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:40:28,198 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 18:40:28,198 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:40:28,198 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:40:28,198 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:40:28,198 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:40:28,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:40:28,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:40:28,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:40:28,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:40:28,200 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:40:28,200 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:40:28,200 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 18:40:28,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:40:28,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:40:28,200 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_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer 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 -> Automizer 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 -> 77951208f64a8e7a2de110a05be31eef72f84584 [2018-12-02 18:40:28,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:40:28,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:40:28,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:40:28,226 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:40:28,226 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:40:28,227 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-12-02 18:40:28,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/data/976d82bba/d0dc1f59519b46af97620b862baa7d14/FLAG05f053788 [2018-12-02 18:40:28,615 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:40:28,616 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-12-02 18:40:28,621 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/data/976d82bba/d0dc1f59519b46af97620b862baa7d14/FLAG05f053788 [2018-12-02 18:40:28,992 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/data/976d82bba/d0dc1f59519b46af97620b862baa7d14 [2018-12-02 18:40:28,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:40:28,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:40:28,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:40:28,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:40:28,998 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:40:28,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:28" (1/1) ... [2018-12-02 18:40:29,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:28, skipping insertion in model container [2018-12-02 18:40:29,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:28" (1/1) ... [2018-12-02 18:40:29,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:40:29,024 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:40:29,164 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:40:29,202 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:40:29,239 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:40:29,252 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:40:29,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29 WrapperNode [2018-12-02 18:40:29,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:40:29,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:40:29,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:40:29,253 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:40:29,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:40:29,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:40:29,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:40:29,273 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:40:29,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... [2018-12-02 18:40:29,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:40:29,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:40:29,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:40:29,293 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:40:29,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-02 18:40:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 18:40:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:40:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 18:40:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 18:40:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 18:40:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 18:40:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 18:40:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 18:40:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 18:40:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 18:40:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 18:40:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 18:40:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 18:40:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 18:40:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 18:40:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 18:40:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 18:40:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 18:40:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 18:40:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 18:40:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:40:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 18:40:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 18:40:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 18:40:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 18:40:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:40:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:40:29,586 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:40:29,586 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 18:40:29,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:29 BoogieIcfgContainer [2018-12-02 18:40:29,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:40:29,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:40:29,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:40:29,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:40:29,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:40:28" (1/3) ... [2018-12-02 18:40:29,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb29a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:40:29, skipping insertion in model container [2018-12-02 18:40:29,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:29" (2/3) ... [2018-12-02 18:40:29,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb29a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:40:29, skipping insertion in model container [2018-12-02 18:40:29,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:29" (3/3) ... [2018-12-02 18:40:29,593 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-12-02 18:40:29,601 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:40:29,607 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:40:29,620 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:40:29,641 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:40:29,641 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:40:29,641 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:40:29,641 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:40:29,642 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:40:29,642 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:40:29,642 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:40:29,642 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:40:29,642 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:40:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2018-12-02 18:40:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 18:40:29,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:40:29,658 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:40:29,660 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:40:29,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:40:29,663 INFO L82 PathProgramCache]: Analyzing trace with hash 639794091, now seen corresponding path program 1 times [2018-12-02 18:40:29,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:40:29,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:40:29,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:29,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:40:29,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:29,799 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 18:40:29,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:40:29,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 18:40:29,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 18:40:29,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 18:40:29,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:40:29,812 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2018-12-02 18:40:29,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:40:29,832 INFO L93 Difference]: Finished difference Result 200 states and 247 transitions. [2018-12-02 18:40:29,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 18:40:29,833 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 18:40:29,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:40:29,839 INFO L225 Difference]: With dead ends: 200 [2018-12-02 18:40:29,840 INFO L226 Difference]: Without dead ends: 100 [2018-12-02 18:40:29,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:40:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-02 18:40:29,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-02 18:40:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-02 18:40:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-12-02 18:40:29,869 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2018-12-02 18:40:29,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:40:29,870 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-12-02 18:40:29,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 18:40:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-12-02 18:40:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 18:40:29,871 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:40:29,872 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:40:29,872 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:40:29,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:40:29,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1463313227, now seen corresponding path program 1 times [2018-12-02 18:40:29,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:40:29,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:40:29,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:29,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:40:29,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:29,921 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 18:40:29,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:40:29,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:40:29,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 18:40:29,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:40:29,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:40:29,923 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 3 states. [2018-12-02 18:40:29,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:40:29,937 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2018-12-02 18:40:29,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:40:29,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 18:40:29,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:40:29,939 INFO L225 Difference]: With dead ends: 136 [2018-12-02 18:40:29,940 INFO L226 Difference]: Without dead ends: 91 [2018-12-02 18:40:29,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:40:29,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-12-02 18:40:29,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-12-02 18:40:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-12-02 18:40:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2018-12-02 18:40:29,948 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 53 [2018-12-02 18:40:29,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:40:29,948 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2018-12-02 18:40:29,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 18:40:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2018-12-02 18:40:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 18:40:29,949 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:40:29,949 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:40:29,949 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:40:29,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:40:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1141127670, now seen corresponding path program 1 times [2018-12-02 18:40:29,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:40:29,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:40:29,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:29,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:40:29,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:30,035 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 18:40:30,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:40:30,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 18:40:30,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 18:40:30,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 18:40:30,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:40:30,036 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 7 states. [2018-12-02 18:40:30,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:40:30,253 INFO L93 Difference]: Finished difference Result 281 states and 336 transitions. [2018-12-02 18:40:30,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 18:40:30,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-02 18:40:30,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:40:30,255 INFO L225 Difference]: With dead ends: 281 [2018-12-02 18:40:30,255 INFO L226 Difference]: Without dead ends: 214 [2018-12-02 18:40:30,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:40:30,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-12-02 18:40:30,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 190. [2018-12-02 18:40:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-12-02 18:40:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 225 transitions. [2018-12-02 18:40:30,279 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 225 transitions. Word has length 58 [2018-12-02 18:40:30,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:40:30,279 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 225 transitions. [2018-12-02 18:40:30,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 18:40:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2018-12-02 18:40:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 18:40:30,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:40:30,281 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:40:30,281 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:40:30,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:40:30,281 INFO L82 PathProgramCache]: Analyzing trace with hash -2138482810, now seen corresponding path program 1 times [2018-12-02 18:40:30,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:40:30,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:40:30,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:30,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:40:30,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:30,341 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 18:40:30,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:40:30,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 18:40:30,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 18:40:30,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 18:40:30,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 18:40:30,342 INFO L87 Difference]: Start difference. First operand 190 states and 225 transitions. Second operand 6 states. [2018-12-02 18:40:30,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:40:30,473 INFO L93 Difference]: Finished difference Result 495 states and 621 transitions. [2018-12-02 18:40:30,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 18:40:30,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-12-02 18:40:30,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:40:30,475 INFO L225 Difference]: With dead ends: 495 [2018-12-02 18:40:30,475 INFO L226 Difference]: Without dead ends: 329 [2018-12-02 18:40:30,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 18:40:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-12-02 18:40:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2018-12-02 18:40:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-12-02 18:40:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 392 transitions. [2018-12-02 18:40:30,498 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 392 transitions. Word has length 61 [2018-12-02 18:40:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:40:30,499 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 392 transitions. [2018-12-02 18:40:30,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 18:40:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 392 transitions. [2018-12-02 18:40:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 18:40:30,500 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:40:30,501 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:40:30,501 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:40:30,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:40:30,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1497107316, now seen corresponding path program 1 times [2018-12-02 18:40:30,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:40:30,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:40:30,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:30,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:40:30,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:40:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:40:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:40:30,581 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 18:40:30,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:40:30 BoogieIcfgContainer [2018-12-02 18:40:30,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:40:30,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:40:30,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:40:30,644 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:40:30,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:29" (3/4) ... [2018-12-02 18:40:30,646 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 18:40:30,713 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_be9e80a3-24dc-4651-a738-068c89f44324/bin-2019/uautomizer/witness.graphml [2018-12-02 18:40:30,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:40:30,714 INFO L168 Benchmark]: Toolchain (without parser) took 1719.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:30,715 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:40:30,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -120.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:30,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:30,716 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:30,716 INFO L168 Benchmark]: RCFGBuilder took 294.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:30,716 INFO L168 Benchmark]: TraceAbstraction took 1056.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 829.4 MB in the end (delta: 192.7 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:30,716 INFO L168 Benchmark]: Witness Printer took 69.15 ms. Allocated memory is still 1.1 GB. Free memory was 829.4 MB in the beginning and 1.1 GB in the end (delta: -231.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:30,718 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -120.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 294.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1056.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 829.4 MB in the end (delta: 192.7 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. * Witness Printer took 69.15 ms. Allocated memory is still 1.1 GB. Free memory was 829.4 MB in the beginning and 1.1 GB in the end (delta: -231.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 633]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; [L606] int retValue_acc ; [L607] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L611] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L613] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L617] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L618] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L600] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int splverifierCounter ; [L809] int tmp ; [L810] int tmp___0 ; [L811] int tmp___1 ; [L812] int tmp___2 ; [L815] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L817] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L819] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L825] tmp = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L829] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L829] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L835] tmp___0 = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L845] tmp___2 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___2)) [L853] tmp___1 = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L864] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L684] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L699] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L640] int tmp ; [L641] int tmp___0 ; [L642] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L646] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] tmp = isMethaneLevelCritical() [L648] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L652] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L652] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L652] tmp___0 = getWaterLevel() [L654] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L656] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L656] tmp___1 = isPumpRunning() [L658] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L662] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L633] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 113 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 463 SDtfs, 216 SDslu, 907 SDs, 0 SdLazy, 213 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=323occurred in iteration=4, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 20672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...