./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product35_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_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75ad40de7ac44b78584ba916fa204e981921222d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-12-09 09:44:15,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:44:15,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:44:15,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:44:15,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:44:15,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:44:15,323 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:44:15,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:44:15,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:44:15,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:44:15,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:44:15,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:44:15,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:44:15,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:44:15,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:44:15,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:44:15,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:44:15,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:44:15,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:44:15,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:44:15,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:44:15,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:44:15,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:44:15,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:44:15,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:44:15,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:44:15,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:44:15,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:44:15,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:44:15,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:44:15,334 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:44:15,334 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:44:15,335 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:44:15,335 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:44:15,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:44:15,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:44:15,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:44:15,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:44:15,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:44:15,343 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:44:15,343 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:44:15,343 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:44:15,343 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:44:15,343 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:44:15,343 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:44:15,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:44:15,344 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:44:15,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:44:15,345 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:44:15,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:44:15,346 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan 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 -> Taipan 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 -> 75ad40de7ac44b78584ba916fa204e981921222d [2018-12-09 09:44:15,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:44:15,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:44:15,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:44:15,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:44:15,377 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:44:15,377 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product35_false-unreach-call_false-termination.cil.c [2018-12-09 09:44:15,412 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/data/9a58cf98b/280e1fe7804a4863bad7e8e7a989ead1/FLAG3b831ea38 [2018-12-09 09:44:15,781 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:44:15,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/sv-benchmarks/c/product-lines/minepump_spec3_product35_false-unreach-call_false-termination.cil.c [2018-12-09 09:44:15,787 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/data/9a58cf98b/280e1fe7804a4863bad7e8e7a989ead1/FLAG3b831ea38 [2018-12-09 09:44:15,795 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/data/9a58cf98b/280e1fe7804a4863bad7e8e7a989ead1 [2018-12-09 09:44:15,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:44:15,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:44:15,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:44:15,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:44:15,801 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:44:15,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:44:15" (1/1) ... [2018-12-09 09:44:15,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:15, skipping insertion in model container [2018-12-09 09:44:15,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:44:15" (1/1) ... [2018-12-09 09:44:15,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:44:15,826 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:44:15,970 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:44:16,015 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:44:16,068 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:44:16,082 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:44:16,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16 WrapperNode [2018-12-09 09:44:16,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:44:16,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:44:16,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:44:16,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:44:16,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:44:16,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:44:16,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:44:16,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:44:16,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... [2018-12-09 09:44:16,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:44:16,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:44:16,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:44:16,136 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:44:16,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/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 [2018-12-09 09:44:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:44:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:44:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:44:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 09:44:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:44:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 09:44:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:44:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:44:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:44:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:44:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:44:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:44:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:44:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:44:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:44:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:44:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:44:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:44:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:44:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:44:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 09:44:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 09:44:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:44:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:44:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:44:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:44:16,472 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:44:16,472 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:44:16,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:44:16 BoogieIcfgContainer [2018-12-09 09:44:16,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:44:16,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:44:16,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:44:16,476 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:44:16,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:44:15" (1/3) ... [2018-12-09 09:44:16,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71380577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:44:16, skipping insertion in model container [2018-12-09 09:44:16,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:16" (2/3) ... [2018-12-09 09:44:16,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71380577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:44:16, skipping insertion in model container [2018-12-09 09:44:16,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:44:16" (3/3) ... [2018-12-09 09:44:16,479 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product35_false-unreach-call_false-termination.cil.c [2018-12-09 09:44:16,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:44:16,494 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:44:16,508 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:44:16,532 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:44:16,533 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:44:16,533 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:44:16,533 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:44:16,533 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:44:16,533 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:44:16,533 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:44:16,533 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:44:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-12-09 09:44:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:44:16,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:44:16,556 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] [2018-12-09 09:44:16,558 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:44:16,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:44:16,562 INFO L82 PathProgramCache]: Analyzing trace with hash -303885522, now seen corresponding path program 1 times [2018-12-09 09:44:16,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:44:16,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:16,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:44:16,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:16,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:44:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:44:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:44:16,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:44:16,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:44:16,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:44:16,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:44:16,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:44:16,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:44:16,720 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-12-09 09:44:16,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:44:16,741 INFO L93 Difference]: Finished difference Result 240 states and 297 transitions. [2018-12-09 09:44:16,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:44:16,742 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 09:44:16,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:44:16,748 INFO L225 Difference]: With dead ends: 240 [2018-12-09 09:44:16,748 INFO L226 Difference]: Without dead ends: 120 [2018-12-09 09:44:16,750 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 [2018-12-09 09:44:16,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-09 09:44:16,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-09 09:44:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-09 09:44:16,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-12-09 09:44:16,779 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 52 [2018-12-09 09:44:16,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:44:16,779 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-12-09 09:44:16,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:44:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-09 09:44:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 09:44:16,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:44:16,781 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] [2018-12-09 09:44:16,781 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:44:16,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:44:16,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1058578925, now seen corresponding path program 1 times [2018-12-09 09:44:16,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:44:16,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:16,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:44:16,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:16,782 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:44:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:44:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:44:16,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:44:16,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:44:16,834 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:44:16,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:44:16,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:44:16,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:44:16,835 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 3 states. [2018-12-09 09:44:16,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:44:16,846 INFO L93 Difference]: Finished difference Result 180 states and 209 transitions. [2018-12-09 09:44:16,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:44:16,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 09:44:16,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:44:16,847 INFO L225 Difference]: With dead ends: 180 [2018-12-09 09:44:16,847 INFO L226 Difference]: Without dead ends: 111 [2018-12-09 09:44:16,848 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 [2018-12-09 09:44:16,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-09 09:44:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-12-09 09:44:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-09 09:44:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2018-12-09 09:44:16,855 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 53 [2018-12-09 09:44:16,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:44:16,855 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2018-12-09 09:44:16,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:44:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2018-12-09 09:44:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 09:44:16,856 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:44:16,856 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] [2018-12-09 09:44:16,856 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:44:16,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:44:16,856 INFO L82 PathProgramCache]: Analyzing trace with hash -57354845, now seen corresponding path program 1 times [2018-12-09 09:44:16,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:44:16,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:16,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:44:16,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:16,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:44:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:44:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:44:16,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:44:16,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:44:16,955 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:44:16,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:44:16,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:44:16,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:44:16,956 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 7 states. [2018-12-09 09:44:17,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:44:17,166 INFO L93 Difference]: Finished difference Result 341 states and 409 transitions. [2018-12-09 09:44:17,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:44:17,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 09:44:17,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:44:17,168 INFO L225 Difference]: With dead ends: 341 [2018-12-09 09:44:17,169 INFO L226 Difference]: Without dead ends: 254 [2018-12-09 09:44:17,169 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 [2018-12-09 09:44:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-09 09:44:17,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 234. [2018-12-09 09:44:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-12-09 09:44:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 279 transitions. [2018-12-09 09:44:17,188 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 279 transitions. Word has length 57 [2018-12-09 09:44:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:44:17,189 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 279 transitions. [2018-12-09 09:44:17,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:44:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 279 transitions. [2018-12-09 09:44:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 09:44:17,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:44:17,191 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] [2018-12-09 09:44:17,191 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:44:17,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:44:17,191 INFO L82 PathProgramCache]: Analyzing trace with hash 2136373475, now seen corresponding path program 1 times [2018-12-09 09:44:17,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:44:17,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:17,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:44:17,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:17,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:44:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:44:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:44:17,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:44:17,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:44:17,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:44:17,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:44:17,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:44:17,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:44:17,260 INFO L87 Difference]: Start difference. First operand 234 states and 279 transitions. Second operand 6 states. [2018-12-09 09:44:17,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:44:17,371 INFO L93 Difference]: Finished difference Result 627 states and 789 transitions. [2018-12-09 09:44:17,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:44:17,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-09 09:44:17,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:44:17,374 INFO L225 Difference]: With dead ends: 627 [2018-12-09 09:44:17,374 INFO L226 Difference]: Without dead ends: 417 [2018-12-09 09:44:17,376 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 [2018-12-09 09:44:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-12-09 09:44:17,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2018-12-09 09:44:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-12-09 09:44:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 498 transitions. [2018-12-09 09:44:17,409 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 498 transitions. Word has length 63 [2018-12-09 09:44:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:44:17,410 INFO L480 AbstractCegarLoop]: Abstraction has 411 states and 498 transitions. [2018-12-09 09:44:17,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:44:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 498 transitions. [2018-12-09 09:44:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 09:44:17,413 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:44:17,413 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, 1, 1] [2018-12-09 09:44:17,413 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:44:17,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:44:17,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1160363817, now seen corresponding path program 1 times [2018-12-09 09:44:17,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:44:17,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:17,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:44:17,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:44:17,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:44:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:44:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:44:17,507 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 09:44:17,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:44:17 BoogieIcfgContainer [2018-12-09 09:44:17,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:44:17,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:44:17,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:44:17,593 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:44:17,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:44:16" (3/4) ... [2018-12-09 09:44:17,596 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 09:44:17,672 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e14ecb34-b819-479c-aa41-fa8bd41cb0f0/bin-2019/utaipan/witness.graphml [2018-12-09 09:44:17,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:44:17,673 INFO L168 Benchmark]: Toolchain (without parser) took 1875.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 823.8 MB in the end (delta: 123.2 MB). Peak memory consumption was 255.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:44:17,674 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:44:17,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:44:17,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:44:17,675 INFO L168 Benchmark]: Boogie Preprocessor took 26.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:44:17,675 INFO L168 Benchmark]: RCFGBuilder took 336.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:44:17,675 INFO L168 Benchmark]: TraceAbstraction took 1119.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.4 MB in the end (delta: 211.0 MB). Peak memory consumption was 211.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:44:17,676 INFO L168 Benchmark]: Witness Printer took 79.19 ms. Allocated memory is still 1.2 GB. Free memory was 845.4 MB in the beginning and 823.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:44:17,677 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 336.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1119.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.4 MB in the end (delta: 211.0 MB). Peak memory consumption was 211.0 MB. Max. memory is 11.5 GB. * Witness Printer took 79.19 ms. Allocated memory is still 1.2 GB. Free memory was 845.4 MB in the beginning and 823.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 556]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L324] int cleanupTimeShifts = 4; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L730] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L400] int retValue_acc ; [L401] 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] [L405] 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] [L406] 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] [L407] 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] [L543] int retValue_acc ; [L546] retValue_acc = 1 [L547] 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] [L407] 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] [L407] tmp = valid_product() [L409] 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] [L411] 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] [L412] 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] [L391] 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] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] 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] [L55] 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] [L57] 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] [L63] tmp = __VERIFIER_nondet_int() [L65] 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] [L67] 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] [L441] COND TRUE waterLevel < 2 [L442] 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] [L67] 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] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] 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] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE \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=1, tmp___2=0, waterLevel=2] [L93] CALL stopSystem() 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] [L276] COND FALSE !(\read(pumpRunning)) 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] [L283] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L93] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L100] 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=0, waterLevel=2] [L128] 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=0, waterLevel=2] [L135] COND FALSE !(\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=0, waterLevel=2] [L143] 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=0, waterLevel=2] [L291] int tmp ; [L292] int tmp___0 ; [L293] 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=0, waterLevel=2] [L297] 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=0, waterLevel=2] [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] 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=0, waterLevel=2] [L297] 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=0, waterLevel=2] [L297] tmp = isMethaneLevelCritical() [L299] 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=0, tmp=0, waterLevel=2] [L303] 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=0, waterLevel=2] [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] 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=0, waterLevel=2] [L303] 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=0, tmp=0, waterLevel=2] [L303] tmp___0 = getWaterLevel() [L305] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L307] 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=0, waterLevel=2] [L209] int retValue_acc ; [L212] retValue_acc = pumpRunning [L213] 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=0, waterLevel=2] [L307] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L307] tmp___1 = isPumpRunning() [L309] 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=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L313] 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=0, waterLevel=2] [L556] __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=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 133 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 593 SDtfs, 357 SDslu, 1112 SDs, 0 SdLazy, 255 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=411occurred 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, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 20709 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...