./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/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 cad73398e0cf8deb8923c0d0bd284c41454d0d9c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:25:50,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:25:50,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:25:50,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:25:50,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:25:50,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:25:50,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:25:50,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:25:50,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:25:50,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:25:50,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:25:50,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:25:50,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:25:50,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:25:50,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:25:50,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:25:50,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:25:50,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:25:50,129 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:25:50,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:25:50,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:25:50,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:25:50,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:25:50,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:25:50,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:25:50,133 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:25:50,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:25:50,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:25:50,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:25:50,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:25:50,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:25:50,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:25:50,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:25:50,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:25:50,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:25:50,142 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:25:50,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:25:50,152 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:25:50,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:25:50,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:25:50,152 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:25:50,153 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:25:50,153 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:25:50,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:25:50,154 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:25:50,154 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:25:50,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:25:50,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:25:50,154 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:25:50,154 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:25:50,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:25:50,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:25:50,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:25:50,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:25:50,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:25:50,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:25:50,155 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:25:50,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:25:50,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:25:50,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:25:50,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:25:50,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:25:50,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:25:50,156 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:25:50,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:25:50,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:25:50,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:25:50,157 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_0327b180-6b10-4ac5-8273-a882a278ccd7/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 -> cad73398e0cf8deb8923c0d0bd284c41454d0d9c [2018-11-23 03:25:50,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:25:50,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:25:50,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:25:50,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:25:50,194 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:25:50,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-23 03:25:50,238 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/data/9f329d1cf/d9b80afd375c46b39e7b50eff4a4156f/FLAG14afc9a5f [2018-11-23 03:25:50,610 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:25:50,610 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-23 03:25:50,619 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/data/9f329d1cf/d9b80afd375c46b39e7b50eff4a4156f/FLAG14afc9a5f [2018-11-23 03:25:50,999 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/data/9f329d1cf/d9b80afd375c46b39e7b50eff4a4156f [2018-11-23 03:25:51,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:25:51,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:25:51,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:25:51,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:25:51,005 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:25:51,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732198f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51, skipping insertion in model container [2018-11-23 03:25:51,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:25:51,043 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:25:51,247 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:25:51,257 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:25:51,369 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:25:51,387 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:25:51,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51 WrapperNode [2018-11-23 03:25:51,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:25:51,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:25:51,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:25:51,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:25:51,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:25:51,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:25:51,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:25:51,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:25:51,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... [2018-11-23 03:25:51,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:25:51,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:25:51,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:25:51,433 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:25:51,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/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 [2018-11-23 03:25:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:25:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:25:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:25:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:25:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 03:25:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 03:25:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:25:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:25:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:25:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:25:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:25:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:25:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:25:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:25:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:25:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:25:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:25:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:25:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:25:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:25:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:25:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:25:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:25:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:25:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:25:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:25:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:25:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:25:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:25:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:25:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:25:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 03:25:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 03:25:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:25:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:25:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:25:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:25:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 03:25:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 03:25:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:25:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:25:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:25:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:25:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:25:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:25:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:25:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:25:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:25:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:25:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:25:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:25:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:25:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:25:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:25:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:25:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:25:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:25:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:25:51,870 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:25:51,871 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:25:51,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:51 BoogieIcfgContainer [2018-11-23 03:25:51,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:25:51,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:25:51,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:25:51,875 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:25:51,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:25:51" (1/3) ... [2018-11-23 03:25:51,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3acf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:51, skipping insertion in model container [2018-11-23 03:25:51,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:51" (2/3) ... [2018-11-23 03:25:51,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3acf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:51, skipping insertion in model container [2018-11-23 03:25:51,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:51" (3/3) ... [2018-11-23 03:25:51,877 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-23 03:25:51,883 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:25:51,889 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:25:51,899 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:25:51,921 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:25:51,922 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:25:51,922 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:25:51,922 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:25:51,922 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:25:51,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:25:51,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:25:51,922 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:25:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-23 03:25:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 03:25:51,944 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:25:51,945 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] [2018-11-23 03:25:51,947 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:25:51,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:25:51,950 INFO L82 PathProgramCache]: Analyzing trace with hash 283443352, now seen corresponding path program 1 times [2018-11-23 03:25:51,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:25:51,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:51,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:25:51,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:51,982 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:25:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:25:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:25:52,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:25:52,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:25:52,136 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:25:52,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:25:52,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:25:52,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:25:52,155 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-23 03:25:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:25:52,178 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-11-23 03:25:52,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:25:52,179 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 03:25:52,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:25:52,187 INFO L225 Difference]: With dead ends: 264 [2018-11-23 03:25:52,187 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 03:25:52,190 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 [2018-11-23 03:25:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 03:25:52,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 03:25:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 03:25:52,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-11-23 03:25:52,226 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-11-23 03:25:52,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:25:52,226 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-11-23 03:25:52,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:25:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-11-23 03:25:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:25:52,228 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:25:52,228 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] [2018-11-23 03:25:52,229 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:25:52,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:25:52,229 INFO L82 PathProgramCache]: Analyzing trace with hash -350328455, now seen corresponding path program 1 times [2018-11-23 03:25:52,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:25:52,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:52,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:25:52,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:52,230 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:25:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:25:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:25:52,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:25:52,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:25:52,313 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:25:52,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:25:52,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:25:52,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:25:52,315 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-11-23 03:25:52,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:25:52,332 INFO L93 Difference]: Finished difference Result 203 states and 241 transitions. [2018-11-23 03:25:52,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:25:52,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 03:25:52,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:25:52,335 INFO L225 Difference]: With dead ends: 203 [2018-11-23 03:25:52,335 INFO L226 Difference]: Without dead ends: 125 [2018-11-23 03:25:52,336 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 [2018-11-23 03:25:52,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-23 03:25:52,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-23 03:25:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 03:25:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-23 03:25:52,348 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-11-23 03:25:52,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:25:52,348 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-23 03:25:52,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:25:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-23 03:25:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 03:25:52,351 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:25:52,351 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] [2018-11-23 03:25:52,351 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:25:52,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:25:52,351 INFO L82 PathProgramCache]: Analyzing trace with hash -637373980, now seen corresponding path program 1 times [2018-11-23 03:25:52,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:25:52,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:52,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:25:52,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:52,352 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:25:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:25:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:25:52,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:25:52,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:25:52,455 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:25:52,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:25:52,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:25:52,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:25:52,456 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-11-23 03:25:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:25:52,762 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2018-11-23 03:25:52,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:25:52,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 03:25:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:25:52,765 INFO L225 Difference]: With dead ends: 370 [2018-11-23 03:25:52,765 INFO L226 Difference]: Without dead ends: 273 [2018-11-23 03:25:52,766 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 [2018-11-23 03:25:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-23 03:25:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 261. [2018-11-23 03:25:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-23 03:25:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2018-11-23 03:25:52,797 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2018-11-23 03:25:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:25:52,797 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2018-11-23 03:25:52,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:25:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2018-11-23 03:25:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 03:25:52,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:25:52,801 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] [2018-11-23 03:25:52,802 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:25:52,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:25:52,802 INFO L82 PathProgramCache]: Analyzing trace with hash 290354138, now seen corresponding path program 1 times [2018-11-23 03:25:52,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:25:52,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:52,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:25:52,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:52,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:25:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:25:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:25:52,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:25:52,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:25:52,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:25:52,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:25:52,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:25:52,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:25:52,895 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 6 states. [2018-11-23 03:25:53,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:25:53,079 INFO L93 Difference]: Finished difference Result 709 states and 894 transitions. [2018-11-23 03:25:53,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:25:53,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 03:25:53,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:25:53,084 INFO L225 Difference]: With dead ends: 709 [2018-11-23 03:25:53,085 INFO L226 Difference]: Without dead ends: 476 [2018-11-23 03:25:53,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:25:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-11-23 03:25:53,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 470. [2018-11-23 03:25:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-11-23 03:25:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2018-11-23 03:25:53,130 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2018-11-23 03:25:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:25:53,131 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2018-11-23 03:25:53,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:25:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2018-11-23 03:25:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 03:25:53,133 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:25:53,133 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] [2018-11-23 03:25:53,135 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:25:53,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:25:53,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1664493770, now seen corresponding path program 1 times [2018-11-23 03:25:53,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:25:53,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:53,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:25:53,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:25:53,136 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:25:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:25:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:25:53,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:25:53,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:25:53,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:25:53,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:25:53,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:25:53,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:25:53,249 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 7 states. [2018-11-23 03:25:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:25:53,434 INFO L93 Difference]: Finished difference Result 764 states and 969 transitions. [2018-11-23 03:25:53,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:25:53,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 03:25:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:25:53,436 INFO L225 Difference]: With dead ends: 764 [2018-11-23 03:25:53,436 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:25:53,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:25:53,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:25:53,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:25:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:25:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:25:53,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-23 03:25:53,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:25:53,439 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:25:53,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:25:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:25:53,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:25:53,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:25:54,117 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 712 718) the Hoare annotation is: true [2018-11-23 03:25:54,117 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 712 718) no Hoare annotation was computed. [2018-11-23 03:25:54,117 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 719 727) no Hoare annotation was computed. [2018-11-23 03:25:54,117 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 719 727) the Hoare annotation is: true [2018-11-23 03:25:54,117 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 719 727) no Hoare annotation was computed. [2018-11-23 03:25:54,118 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 803 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,118 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 803 825) no Hoare annotation was computed. [2018-11-23 03:25:54,118 INFO L444 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,118 INFO L444 ceAbstractionStarter]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,118 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 820) no Hoare annotation was computed. [2018-11-23 03:25:54,118 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 803 825) no Hoare annotation was computed. [2018-11-23 03:25:54,118 INFO L448 ceAbstractionStarter]: For program point L813-1(lines 813 820) no Hoare annotation was computed. [2018-11-23 03:25:54,118 INFO L448 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-11-23 03:25:54,118 INFO L444 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,119 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,119 INFO L444 ceAbstractionStarter]: At program point L809-1(line 809) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,119 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 229 243) no Hoare annotation was computed. [2018-11-23 03:25:54,119 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 03:25:54,119 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2018-11-23 03:25:54,119 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 229 243) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 03:25:54,119 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 229 243) no Hoare annotation was computed. [2018-11-23 03:25:54,119 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2018-11-23 03:25:54,119 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2018-11-23 03:25:54,119 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 165 173) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 223) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2018-11-23 03:25:54,120 INFO L451 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: true [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point L217-1(line 217) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 210 228) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 705 711) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 705 711) the Hoare annotation is: true [2018-11-23 03:25:54,120 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 792 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,120 INFO L444 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 792 802) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 792 802) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2018-11-23 03:25:54,120 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 154 164) no Hoare annotation was computed. [2018-11-23 03:25:54,120 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 146 153) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 03:25:54,121 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:25:54,121 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-23 03:25:54,121 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-23 03:25:54,121 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 256 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,126 INFO L444 ceAbstractionStarter]: At program point L316(lines 265 317) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,126 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 256 323) no Hoare annotation was computed. [2018-11-23 03:25:54,126 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,126 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2018-11-23 03:25:54,126 INFO L444 ceAbstractionStarter]: At program point L304-1(lines 296 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,126 INFO L448 ceAbstractionStarter]: For program point L267(lines 266 315) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L444 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 311) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 292) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L444 ceAbstractionStarter]: At program point L313(lines 266 315) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,127 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 282) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 272) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 256 323) no Hoare annotation was computed. [2018-11-23 03:25:54,127 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 956 964) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 956 964) the Hoare annotation is: true [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 956 964) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 859) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 837 865) the Hoare annotation is: true [2018-11-23 03:25:54,128 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point L847-1(line 847) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 862) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point L845-1(lines 837 865) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L451 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: true [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point L843-1(line 843) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 837 865) no Hoare annotation was computed. [2018-11-23 03:25:54,128 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 829 836) the Hoare annotation is: true [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 829 836) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 829 836) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 903 914) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 903 914) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L451 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: true [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 730 759) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-11-23 03:25:54,129 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 730 759) the Hoare annotation is: true [2018-11-23 03:25:54,129 INFO L451 ceAbstractionStarter]: At program point L755(lines 730 759) the Hoare annotation is: true [2018-11-23 03:25:54,131 INFO L448 ceAbstractionStarter]: For program point L751(line 751) no Hoare annotation was computed. [2018-11-23 03:25:54,131 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 748) no Hoare annotation was computed. [2018-11-23 03:25:54,131 INFO L451 ceAbstractionStarter]: At program point L744-1(lines 744 748) the Hoare annotation is: true [2018-11-23 03:25:54,131 INFO L448 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-11-23 03:25:54,131 INFO L451 ceAbstractionStarter]: At program point L740-2(lines 740 754) the Hoare annotation is: true [2018-11-23 03:25:54,131 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 915 923) the Hoare annotation is: true [2018-11-23 03:25:54,131 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 915 923) no Hoare annotation was computed. [2018-11-23 03:25:54,131 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 915 923) no Hoare annotation was computed. [2018-11-23 03:25:54,132 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 03:25:54,132 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-23 03:25:54,132 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:25:54,132 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-23 03:25:54,132 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-23 03:25:54,132 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:25:54,132 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:25:54,132 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 879 890) the Hoare annotation is: true [2018-11-23 03:25:54,132 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 879 890) no Hoare annotation was computed. [2018-11-23 03:25:54,132 INFO L448 ceAbstractionStarter]: For program point L883-1(lines 879 890) no Hoare annotation was computed. [2018-11-23 03:25:54,132 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 784 790) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 784 790) the Hoare annotation is: true [2018-11-23 03:25:54,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 03:25:54,133 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:25:54,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 244 251) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 244 251) the Hoare annotation is: true [2018-11-23 03:25:54,133 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 244 251) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 891 902) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L448 ceAbstractionStarter]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 891 902) the Hoare annotation is: true [2018-11-23 03:25:54,133 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 867 874) no Hoare annotation was computed. [2018-11-23 03:25:54,133 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 867 874) the Hoare annotation is: true [2018-11-23 03:25:54,134 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2018-11-23 03:25:54,134 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 867 874) no Hoare annotation was computed. [2018-11-23 03:25:54,134 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 03:25:54,134 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-23 03:25:54,134 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-23 03:25:54,134 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 03:25:54,134 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-23 03:25:54,134 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-23 03:25:54,134 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:25:54,134 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:25:54,134 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-23 03:25:54,135 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 03:25:54,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:25:54 BoogieIcfgContainer [2018-11-23 03:25:54,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:25:54,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:25:54,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:25:54,152 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:25:54,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:51" (3/4) ... [2018-11-23 03:25:54,156 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:25:54,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:25:54,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:25:54,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:25:54,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 03:25:54,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:25:54,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:25:54,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 03:25:54,169 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 03:25:54,169 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:25:54,170 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:25:54,170 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:25:54,170 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:25:54,170 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:25:54,171 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:25:54,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:25:54,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:25:54,227 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0327b180-6b10-4ac5-8273-a882a278ccd7/bin-2019/utaipan/witness.graphml [2018-11-23 03:25:54,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:25:54,228 INFO L168 Benchmark]: Toolchain (without parser) took 3226.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 890.4 MB in the end (delta: 66.1 MB). Peak memory consumption was 208.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:25:54,229 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:25:54,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:25:54,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:25:54,230 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:25:54,230 INFO L168 Benchmark]: RCFGBuilder took 438.21 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:25:54,230 INFO L168 Benchmark]: TraceAbstraction took 2280.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.4 MB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:25:54,230 INFO L168 Benchmark]: Witness Printer took 75.45 ms. Allocated memory is still 1.2 GB. Free memory was 897.4 MB in the beginning and 890.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:25:54,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.95 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 438.21 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2280.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.4 MB in the end (delta: 177.3 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. * Witness Printer took 75.45 ms. Allocated memory is still 1.2 GB. Free memory was 897.4 MB in the beginning and 890.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 442 SDslu, 1419 SDs, 0 SdLazy, 491 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 592 PreInvPairs, 639 NumberOfFragments, 572 HoareAnnotationTreeSize, 592 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 2131 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...