./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c153dfe33f87015b278f995b6c1e5c6fbcf815b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:15:05,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:15:05,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:15:05,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:15:05,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:15:05,642 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:15:05,643 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:15:05,644 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:15:05,645 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:15:05,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:15:05,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:15:05,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:15:05,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:15:05,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:15:05,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:15:05,649 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:15:05,650 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:15:05,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:15:05,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:15:05,653 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:15:05,654 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:15:05,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:15:05,656 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:15:05,656 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:15:05,657 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:15:05,657 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:15:05,658 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:15:05,658 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:15:05,659 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:15:05,660 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:15:05,660 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:15:05,661 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:15:05,661 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:15:05,661 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:15:05,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:15:05,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:15:05,662 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:15:05,672 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:15:05,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:15:05,673 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:15:05,673 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:15:05,673 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:15:05,673 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:15:05,674 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:15:05,674 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:15:05,674 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:15:05,674 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:15:05,674 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:15:05,674 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:15:05,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:15:05,675 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:15:05,675 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:15:05,675 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:15:05,675 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:15:05,675 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:15:05,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:15:05,675 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:15:05,675 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:15:05,676 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:15:05,676 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:15:05,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:15:05,676 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:15:05,676 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:15:05,676 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:15:05,676 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:15:05,677 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:15:05,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:15:05,677 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c153dfe33f87015b278f995b6c1e5c6fbcf815b [2018-11-28 11:15:05,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:15:05,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:15:05,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:15:05,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:15:05,713 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:15:05,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-28 11:15:05,748 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/data/725c051b6/9b93270a3c4f494b9df717688ce4f5da/FLAGec3f216e3 [2018-11-28 11:15:06,167 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:15:06,168 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-28 11:15:06,174 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/data/725c051b6/9b93270a3c4f494b9df717688ce4f5da/FLAGec3f216e3 [2018-11-28 11:15:06,182 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/data/725c051b6/9b93270a3c4f494b9df717688ce4f5da [2018-11-28 11:15:06,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:15:06,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:15:06,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:15:06,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:15:06,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:15:06,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06, skipping insertion in model container [2018-11-28 11:15:06,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:15:06,220 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:15:06,400 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:15:06,457 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:15:06,517 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:15:06,539 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:15:06,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06 WrapperNode [2018-11-28 11:15:06,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:15:06,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:15:06,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:15:06,540 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:15:06,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:15:06,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:15:06,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:15:06,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:15:06,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... [2018-11-28 11:15:06,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:15:06,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:15:06,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:15:06,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:15:06,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:15:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:15:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:15:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:15:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:15:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 11:15:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 11:15:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:15:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:15:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:15:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:15:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:15:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:15:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:15:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:15:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:15:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:15:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:15:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:15:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:15:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:15:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:15:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:15:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:15:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:15:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:15:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:15:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:15:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:15:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:15:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:15:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:15:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:15:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:15:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:15:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:15:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 11:15:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 11:15:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:15:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:15:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 11:15:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 11:15:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 11:15:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 11:15:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 11:15:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 11:15:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:15:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:15:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:15:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:15:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:15:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:15:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:15:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:15:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:15:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:15:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:15:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:15:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:15:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:15:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:15:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:15:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:15:07,007 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:15:07,007 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:15:07,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:07 BoogieIcfgContainer [2018-11-28 11:15:07,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:15:07,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:15:07,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:15:07,013 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:15:07,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:15:06" (1/3) ... [2018-11-28 11:15:07,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4666fc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:15:07, skipping insertion in model container [2018-11-28 11:15:07,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:06" (2/3) ... [2018-11-28 11:15:07,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4666fc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:15:07, skipping insertion in model container [2018-11-28 11:15:07,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:07" (3/3) ... [2018-11-28 11:15:07,016 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-28 11:15:07,022 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:15:07,027 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:15:07,040 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:15:07,063 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:15:07,063 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:15:07,063 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:15:07,063 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:15:07,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:15:07,064 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:15:07,064 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:15:07,064 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:15:07,064 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:15:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-11-28 11:15:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 11:15:07,088 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:07,088 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:07,090 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:07,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:07,094 INFO L82 PathProgramCache]: Analyzing trace with hash 2070466910, now seen corresponding path program 1 times [2018-11-28 11:15:07,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:07,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:07,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:07,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:07,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:15:07,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:07,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:15:07,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:15:07,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:15:07,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:15:07,285 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-11-28 11:15:07,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:07,313 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-11-28 11:15:07,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:15:07,315 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 11:15:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:07,322 INFO L225 Difference]: With dead ends: 280 [2018-11-28 11:15:07,322 INFO L226 Difference]: Without dead ends: 142 [2018-11-28 11:15:07,325 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 [2018-11-28 11:15:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-28 11:15:07,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-28 11:15:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-28 11:15:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2018-11-28 11:15:07,357 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2018-11-28 11:15:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:07,358 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2018-11-28 11:15:07,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:15:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2018-11-28 11:15:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 11:15:07,359 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:07,359 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:07,360 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:07,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:07,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1084624739, now seen corresponding path program 1 times [2018-11-28 11:15:07,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:07,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:07,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:07,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:07,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:07,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:15:07,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:07,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:15:07,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:15:07,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:15:07,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:15:07,437 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2018-11-28 11:15:07,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:07,454 INFO L93 Difference]: Finished difference Result 219 states and 257 transitions. [2018-11-28 11:15:07,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:15:07,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 11:15:07,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:07,456 INFO L225 Difference]: With dead ends: 219 [2018-11-28 11:15:07,457 INFO L226 Difference]: Without dead ends: 133 [2018-11-28 11:15:07,458 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 [2018-11-28 11:15:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-28 11:15:07,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-28 11:15:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-28 11:15:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2018-11-28 11:15:07,468 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2018-11-28 11:15:07,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:07,468 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2018-11-28 11:15:07,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:15:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2018-11-28 11:15:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 11:15:07,469 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:07,470 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:07,470 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:07,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:07,470 INFO L82 PathProgramCache]: Analyzing trace with hash 977612834, now seen corresponding path program 1 times [2018-11-28 11:15:07,470 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:07,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:07,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:07,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:07,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:15:07,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:07,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:15:07,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:15:07,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:15:07,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:15:07,621 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 7 states. [2018-11-28 11:15:07,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:07,996 INFO L93 Difference]: Finished difference Result 399 states and 485 transitions. [2018-11-28 11:15:07,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:15:07,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 11:15:07,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:07,998 INFO L225 Difference]: With dead ends: 399 [2018-11-28 11:15:07,998 INFO L226 Difference]: Without dead ends: 294 [2018-11-28 11:15:07,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:15:08,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-28 11:15:08,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282. [2018-11-28 11:15:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-28 11:15:08,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2018-11-28 11:15:08,028 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 65 [2018-11-28 11:15:08,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:08,028 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2018-11-28 11:15:08,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:15:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2018-11-28 11:15:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 11:15:08,030 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:08,031 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:08,031 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:08,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:08,031 INFO L82 PathProgramCache]: Analyzing trace with hash 457844054, now seen corresponding path program 1 times [2018-11-28 11:15:08,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:08,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:08,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:08,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:08,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:15:08,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:08,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:15:08,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:15:08,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:15:08,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:15:08,128 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand 7 states. [2018-11-28 11:15:08,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:08,320 INFO L93 Difference]: Finished difference Result 456 states and 571 transitions. [2018-11-28 11:15:08,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:15:08,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-28 11:15:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:08,322 INFO L225 Difference]: With dead ends: 456 [2018-11-28 11:15:08,322 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:15:08,323 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 [2018-11-28 11:15:08,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:15:08,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:15:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:15:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:15:08,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-28 11:15:08,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:08,324 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:15:08,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:15:08,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:15:08,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:15:08,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:15:08,836 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 258 264) the Hoare annotation is: true [2018-11-28 11:15:08,836 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 258 264) no Hoare annotation was computed. [2018-11-28 11:15:08,837 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 265 273) no Hoare annotation was computed. [2018-11-28 11:15:08,837 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 265 273) the Hoare annotation is: true [2018-11-28 11:15:08,837 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 265 273) no Hoare annotation was computed. [2018-11-28 11:15:08,837 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 923 930) the Hoare annotation is: true [2018-11-28 11:15:08,837 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 923 930) no Hoare annotation was computed. [2018-11-28 11:15:08,837 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 923 930) no Hoare annotation was computed. [2018-11-28 11:15:08,837 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 931 940) the Hoare annotation is: true [2018-11-28 11:15:08,837 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 931 940) no Hoare annotation was computed. [2018-11-28 11:15:08,837 INFO L448 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2018-11-28 11:15:08,838 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 931 940) no Hoare annotation was computed. [2018-11-28 11:15:08,838 INFO L444 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 11:15:08,838 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2018-11-28 11:15:08,838 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 963) no Hoare annotation was computed. [2018-11-28 11:15:08,838 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-11-28 11:15:08,838 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-11-28 11:15:08,838 INFO L448 ceAbstractionStarter]: For program point L949(lines 949 966) no Hoare annotation was computed. [2018-11-28 11:15:08,838 INFO L448 ceAbstractionStarter]: For program point L949-1(lines 941 969) no Hoare annotation was computed. [2018-11-28 11:15:08,839 INFO L451 ceAbstractionStarter]: At program point L947(line 947) the Hoare annotation is: true [2018-11-28 11:15:08,839 INFO L448 ceAbstractionStarter]: For program point L947-1(line 947) no Hoare annotation was computed. [2018-11-28 11:15:08,839 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 941 969) the Hoare annotation is: true [2018-11-28 11:15:08,839 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 941 969) no Hoare annotation was computed. [2018-11-28 11:15:08,839 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,840 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,840 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,840 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,840 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-28 11:15:08,840 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-28 11:15:08,840 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,840 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,840 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-28 11:15:08,841 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-28 11:15:08,841 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 11:15:08,841 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 462 476) no Hoare annotation was computed. [2018-11-28 11:15:08,841 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 462 476) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 11:15:08,841 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 462 476) no Hoare annotation was computed. [2018-11-28 11:15:08,841 INFO L444 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 11:15:08,841 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 472) no Hoare annotation was computed. [2018-11-28 11:15:08,841 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-28 11:15:08,841 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-11-28 11:15:08,841 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-28 11:15:08,842 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-28 11:15:08,842 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-11-28 11:15:08,842 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-11-28 11:15:08,842 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-11-28 11:15:08,842 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-28 11:15:08,842 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-11-28 11:15:08,842 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-11-28 11:15:08,842 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 251 257) no Hoare annotation was computed. [2018-11-28 11:15:08,842 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 251 257) the Hoare annotation is: true [2018-11-28 11:15:08,842 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,843 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,843 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-28 11:15:08,843 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-28 11:15:08,843 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-11-28 11:15:08,843 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-11-28 11:15:08,843 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-11-28 11:15:08,843 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-11-28 11:15:08,843 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-11-28 11:15:08,843 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: true [2018-11-28 11:15:08,843 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-11-28 11:15:08,843 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-11-28 11:15:08,844 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 11:15:08,844 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-28 11:15:08,844 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2018-11-28 11:15:08,844 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2018-11-28 11:15:08,844 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-28 11:15:08,844 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-28 11:15:08,844 INFO L448 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2018-11-28 11:15:08,844 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 11:15:08,844 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 11:15:08,844 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2018-11-28 11:15:08,844 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 312 318) no Hoare annotation was computed. [2018-11-28 11:15:08,845 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 312 318) the Hoare annotation is: true [2018-11-28 11:15:08,845 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 486 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,845 INFO L444 ceAbstractionStarter]: At program point L543(lines 496 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 11:15:08,845 INFO L444 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 11:15:08,845 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-11-28 11:15:08,845 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2018-11-28 11:15:08,845 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 486 553) no Hoare annotation was computed. [2018-11-28 11:15:08,845 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-11-28 11:15:08,845 INFO L444 ceAbstractionStarter]: At program point L546(lines 495 547) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 11:15:08,845 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 11:15:08,846 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-28 11:15:08,846 INFO L444 ceAbstractionStarter]: At program point L534-1(lines 526 541) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 11:15:08,846 INFO L448 ceAbstractionStarter]: For program point L497(lines 496 545) no Hoare annotation was computed. [2018-11-28 11:15:08,846 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 11:15:08,846 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 541) no Hoare annotation was computed. [2018-11-28 11:15:08,846 INFO L444 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 11:15:08,846 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 522) no Hoare annotation was computed. [2018-11-28 11:15:08,846 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2018-11-28 11:15:08,846 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 486 553) no Hoare annotation was computed. [2018-11-28 11:15:08,846 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 230 238) no Hoare annotation was computed. [2018-11-28 11:15:08,846 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 230 238) the Hoare annotation is: true [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 230 238) no Hoare annotation was computed. [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,847 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,847 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 221 229) the Hoare annotation is: true [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 221 229) no Hoare annotation was computed. [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 221 229) no Hoare annotation was computed. [2018-11-28 11:15:08,847 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 177 188) the Hoare annotation is: true [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 177 188) no Hoare annotation was computed. [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point L181-1(lines 177 188) no Hoare annotation was computed. [2018-11-28 11:15:08,847 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 189 197) the Hoare annotation is: true [2018-11-28 11:15:08,847 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 189 197) no Hoare annotation was computed. [2018-11-28 11:15:08,848 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 189 197) no Hoare annotation was computed. [2018-11-28 11:15:08,848 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 285 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 11:15:08,848 INFO L444 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 11:15:08,848 INFO L444 ceAbstractionStarter]: At program point L299(lines 299 305) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 11:15:08,848 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 285 311) no Hoare annotation was computed. [2018-11-28 11:15:08,848 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 285 311) no Hoare annotation was computed. [2018-11-28 11:15:08,848 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 11:15:08,848 INFO L448 ceAbstractionStarter]: For program point L292(lines 288 310) no Hoare annotation was computed. [2018-11-28 11:15:08,848 INFO L448 ceAbstractionStarter]: For program point L290(lines 288 310) no Hoare annotation was computed. [2018-11-28 11:15:08,848 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 11:15:08,848 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 11:15:08,849 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 11:15:08,849 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 11:15:08,849 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 11:15:08,849 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 11:15:08,849 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 11:15:08,849 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 11:15:08,849 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 11:15:08,849 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 11:15:08,849 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 153 164) the Hoare annotation is: true [2018-11-28 11:15:08,849 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 153 164) no Hoare annotation was computed. [2018-11-28 11:15:08,849 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 153 164) no Hoare annotation was computed. [2018-11-28 11:15:08,850 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 11:15:08,850 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 11:15:08,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,850 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 11:15:08,850 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:15:08,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,850 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 477 484) no Hoare annotation was computed. [2018-11-28 11:15:08,850 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 477 484) the Hoare annotation is: true [2018-11-28 11:15:08,850 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 477 484) no Hoare annotation was computed. [2018-11-28 11:15:08,850 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 165 176) no Hoare annotation was computed. [2018-11-28 11:15:08,850 INFO L448 ceAbstractionStarter]: For program point L169-1(lines 165 176) no Hoare annotation was computed. [2018-11-28 11:15:08,851 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 165 176) the Hoare annotation is: true [2018-11-28 11:15:08,851 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 971 978) no Hoare annotation was computed. [2018-11-28 11:15:08,851 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2018-11-28 11:15:08,851 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 971 978) the Hoare annotation is: true [2018-11-28 11:15:08,851 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 971 978) no Hoare annotation was computed. [2018-11-28 11:15:08,851 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 320 344) no Hoare annotation was computed. [2018-11-28 11:15:08,851 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 320 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-28 11:15:08,851 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-28 11:15:08,851 INFO L448 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2018-11-28 11:15:08,851 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 11:15:08,852 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 11:15:08,852 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2018-11-28 11:15:08,852 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 11:15:08,852 INFO L448 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2018-11-28 11:15:08,852 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2018-11-28 11:15:08,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:15:08 BoogieIcfgContainer [2018-11-28 11:15:08,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:15:08,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:15:08,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:15:08,861 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:15:08,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:07" (3/4) ... [2018-11-28 11:15:08,864 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 11:15:08,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:15:08,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:15:08,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:15:08,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:15:08,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:15:08,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 11:15:08,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:15:08,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:15:08,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 11:15:08,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 11:15:08,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:15:08,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:15:08,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:15:08,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:15:08,880 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:15:08,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-28 11:15:08,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-28 11:15:08,933 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e7a7d85-f377-42a8-b351-c9ac3e3a2c47/bin-2019/uautomizer/witness.graphml [2018-11-28 11:15:08,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:15:08,934 INFO L168 Benchmark]: Toolchain (without parser) took 2749.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,934 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:15:08,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.60 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. [2018-11-28 11:15:08,935 INFO L168 Benchmark]: Boogie Preprocessor took 29.78 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,935 INFO L168 Benchmark]: RCFGBuilder took 414.94 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,935 INFO L168 Benchmark]: TraceAbstraction took 1852.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -87.5 MB). Peak memory consumption was 282.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,936 INFO L168 Benchmark]: Witness Printer took 72.13 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,937 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.60 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 29.78 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 414.94 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1852.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -87.5 MB). Peak memory consumption was 282.9 MB. Max. memory is 11.5 GB. * Witness Printer took 72.13 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 975]: 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: 496]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 155 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 616 SDtfs, 360 SDslu, 917 SDs, 0 SdLazy, 446 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=3, 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 352 PreInvPairs, 376 NumberOfFragments, 461 HoareAnnotationTreeSize, 352 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 65 FomulaSimplificationsInter, 956 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...