./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/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 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:31:34,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:31:34,715 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:31:34,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:31:34,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:31:34,722 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:31:34,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:31:34,724 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:31:34,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:31:34,725 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:31:34,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:31:34,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:31:34,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:31:34,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:31:34,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:31:34,727 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:31:34,728 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:31:34,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:31:34,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:31:34,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:31:34,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:31:34,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:31:34,732 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:31:34,732 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:31:34,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:31:34,733 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:31:34,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:31:34,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:31:34,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:31:34,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:31:34,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:31:34,735 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:31:34,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:31:34,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:31:34,736 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:31:34,736 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:31:34,737 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:31:34,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:31:34,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:31:34,745 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:31:34,745 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:31:34,745 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:31:34,746 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:31:34,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:31:34,746 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:31:34,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:31:34,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:31:34,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:31:34,746 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:31:34,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:31:34,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:31:34,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:31:34,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:31:34,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:31:34,748 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:31:34,748 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:31:34,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:31:34,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:31:34,748 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_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/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 -> 0cd8f4212423277e7bb289762e3d1ea8f8be5f7f [2018-12-09 09:31:34,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:31:34,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:31:34,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:31:34,779 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:31:34,779 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:31:34,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product07_true-unreach-call_false-termination.cil.c [2018-12-09 09:31:34,818 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/data/863e5638c/f5bee098fb7d4d95ae0d45d98de615e2/FLAGceda3dc89 [2018-12-09 09:31:35,257 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:31:35,257 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/sv-benchmarks/c/product-lines/minepump_spec4_product07_true-unreach-call_false-termination.cil.c [2018-12-09 09:31:35,264 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/data/863e5638c/f5bee098fb7d4d95ae0d45d98de615e2/FLAGceda3dc89 [2018-12-09 09:31:35,272 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/data/863e5638c/f5bee098fb7d4d95ae0d45d98de615e2 [2018-12-09 09:31:35,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:31:35,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:31:35,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:31:35,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:31:35,278 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:31:35,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35, skipping insertion in model container [2018-12-09 09:31:35,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:31:35,307 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:31:35,454 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:31:35,502 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:31:35,542 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:31:35,557 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:31:35,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35 WrapperNode [2018-12-09 09:31:35,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:31:35,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:31:35,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:31:35,558 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:31:35,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:31:35,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:31:35,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:31:35,577 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:31:35,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... [2018-12-09 09:31:35,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:31:35,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:31:35,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:31:35,599 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:31:35,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:31:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 09:31:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 09:31:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 09:31:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 09:31:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:31:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:31:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 09:31:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 09:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 09:31:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 09:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 09:31:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 09:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:31:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 09:31:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 09:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 09:31:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 09:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:31:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:31:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:31:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 09:31:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:31:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 09:31:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 09:31:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 09:31:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 09:31:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 09:31:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:31:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:31:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:31:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 09:31:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 09:31:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:31:35,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:31:35,915 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:31:35,915 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 09:31:35,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:31:35 BoogieIcfgContainer [2018-12-09 09:31:35,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:31:35,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:31:35,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:31:35,919 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:31:35,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:31:35" (1/3) ... [2018-12-09 09:31:35,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5939e99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:31:35, skipping insertion in model container [2018-12-09 09:31:35,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:31:35" (2/3) ... [2018-12-09 09:31:35,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5939e99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:31:35, skipping insertion in model container [2018-12-09 09:31:35,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:31:35" (3/3) ... [2018-12-09 09:31:35,922 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07_true-unreach-call_false-termination.cil.c [2018-12-09 09:31:35,930 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:31:35,936 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:31:35,949 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:31:35,969 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:31:35,969 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:31:35,969 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:31:35,969 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:31:35,969 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:31:35,969 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:31:35,969 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:31:35,970 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:31:35,985 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-12-09 09:31:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 09:31:35,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:31:35,992 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] [2018-12-09 09:31:35,994 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:31:35,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:31:35,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1781737618, now seen corresponding path program 1 times [2018-12-09 09:31:36,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:31:36,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:31:36,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,032 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:31:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:31:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:31:36,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:31:36,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:31:36,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:31:36,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:31:36,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:31:36,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:31:36,181 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-12-09 09:31:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:31:36,201 INFO L93 Difference]: Finished difference Result 216 states and 269 transitions. [2018-12-09 09:31:36,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:31:36,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 09:31:36,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:31:36,209 INFO L225 Difference]: With dead ends: 216 [2018-12-09 09:31:36,209 INFO L226 Difference]: Without dead ends: 108 [2018-12-09 09:31:36,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:31:36,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-09 09:31:36,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-12-09 09:31:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-12-09 09:31:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2018-12-09 09:31:36,238 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2018-12-09 09:31:36,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:31:36,239 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2018-12-09 09:31:36,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:31:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2018-12-09 09:31:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 09:31:36,240 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:31:36,240 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] [2018-12-09 09:31:36,241 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:31:36,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:31:36,241 INFO L82 PathProgramCache]: Analyzing trace with hash -2061025672, now seen corresponding path program 1 times [2018-12-09 09:31:36,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:31:36,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:31:36,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,242 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:31:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:31:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:31:36,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:31:36,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:31:36,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:31:36,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:31:36,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:31:36,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:31:36,305 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2018-12-09 09:31:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:31:36,317 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2018-12-09 09:31:36,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:31:36,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 09:31:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:31:36,318 INFO L225 Difference]: With dead ends: 159 [2018-12-09 09:31:36,318 INFO L226 Difference]: Without dead ends: 99 [2018-12-09 09:31:36,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:31:36,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-09 09:31:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-09 09:31:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-09 09:31:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-12-09 09:31:36,326 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2018-12-09 09:31:36,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:31:36,326 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-12-09 09:31:36,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:31:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-12-09 09:31:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:31:36,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:31:36,327 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] [2018-12-09 09:31:36,327 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:31:36,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:31:36,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2047447148, now seen corresponding path program 1 times [2018-12-09 09:31:36,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:31:36,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:31:36,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:31:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:31:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:31:36,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:31:36,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:31:36,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:31:36,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:31:36,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:31:36,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:31:36,391 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 7 states. [2018-12-09 09:31:36,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:31:36,607 INFO L93 Difference]: Finished difference Result 299 states and 360 transitions. [2018-12-09 09:31:36,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:31:36,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 09:31:36,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:31:36,610 INFO L225 Difference]: With dead ends: 299 [2018-12-09 09:31:36,610 INFO L226 Difference]: Without dead ends: 224 [2018-12-09 09:31:36,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:31:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-12-09 09:31:36,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 216. [2018-12-09 09:31:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-09 09:31:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2018-12-09 09:31:36,632 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2018-12-09 09:31:36,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:31:36,633 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2018-12-09 09:31:36,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:31:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2018-12-09 09:31:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 09:31:36,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:31:36,635 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:31:36,635 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:31:36,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:31:36,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1240847412, now seen corresponding path program 1 times [2018-12-09 09:31:36,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:31:36,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:31:36,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:36,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:31:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:31:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:31:36,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:31:36,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 09:31:36,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:31:36,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 09:31:36,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 09:31:36,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:31:36,741 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 10 states. [2018-12-09 09:31:37,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:31:37,006 INFO L93 Difference]: Finished difference Result 744 states and 959 transitions. [2018-12-09 09:31:37,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 09:31:37,007 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-09 09:31:37,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:31:37,011 INFO L225 Difference]: With dead ends: 744 [2018-12-09 09:31:37,011 INFO L226 Difference]: Without dead ends: 552 [2018-12-09 09:31:37,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 09:31:37,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-12-09 09:31:37,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 540. [2018-12-09 09:31:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-12-09 09:31:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 670 transitions. [2018-12-09 09:31:37,049 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 670 transitions. Word has length 57 [2018-12-09 09:31:37,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:31:37,049 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 670 transitions. [2018-12-09 09:31:37,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 09:31:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 670 transitions. [2018-12-09 09:31:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 09:31:37,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:31:37,052 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:31:37,052 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:31:37,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:31:37,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1567394802, now seen corresponding path program 1 times [2018-12-09 09:31:37,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:31:37,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:37,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:31:37,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:37,054 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:31:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:31:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:31:37,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:31:37,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:31:37,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:31:37,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:31:37,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:31:37,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:31:37,110 INFO L87 Difference]: Start difference. First operand 540 states and 670 transitions. Second operand 4 states. [2018-12-09 09:31:37,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:31:37,200 INFO L93 Difference]: Finished difference Result 912 states and 1168 transitions. [2018-12-09 09:31:37,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 09:31:37,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-09 09:31:37,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:31:37,202 INFO L225 Difference]: With dead ends: 912 [2018-12-09 09:31:37,202 INFO L226 Difference]: Without dead ends: 396 [2018-12-09 09:31:37,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:31:37,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-12-09 09:31:37,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2018-12-09 09:31:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-12-09 09:31:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-12-09 09:31:37,219 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2018-12-09 09:31:37,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:31:37,219 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-12-09 09:31:37,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:31:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-12-09 09:31:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:31:37,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:31:37,220 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 09:31:37,220 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:31:37,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:31:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash -290953383, now seen corresponding path program 1 times [2018-12-09 09:31:37,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:31:37,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:37,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:31:37,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:31:37,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:31:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:31:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 09:31:37,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:31:37,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:31:37,282 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2018-12-09 09:31:37,283 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [48], [77], [86], [90], [94], [97], [102], [108], [110], [113], [115], [118], [129], [130], [131], [132], [147], [154], [157], [191], [197], [201], [202], [205], [206], [207], [208], [209], [211], [212], [213], [214], [215], [216], [217], [218], [219], [223], [235], [236], [239], [240], [241], [242], [249], [250], [255], [256], [257] [2018-12-09 09:31:37,312 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:31:37,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:31:37,706 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:31:37,707 INFO L272 AbstractInterpreter]: Visited 65 different actions 133 times. Merged at 13 different actions 19 times. Never widened. Performed 4845 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4845 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-09 09:31:37,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:31:37,712 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:31:37,893 INFO L227 lantSequenceWeakener]: Weakened 84 states. On average, predicates are now at 98.37% of their original sizes. [2018-12-09 09:31:37,893 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:31:37,934 INFO L418 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2018-12-09 09:31:37,935 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:31:37,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:31:37,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-12-09 09:31:37,936 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:31:37,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 09:31:37,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 09:31:37,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:31:37,937 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 11 states. [2018-12-09 09:31:38,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:31:38,807 INFO L93 Difference]: Finished difference Result 512 states and 605 transitions. [2018-12-09 09:31:38,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 09:31:38,807 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2018-12-09 09:31:38,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:31:38,807 INFO L225 Difference]: With dead ends: 512 [2018-12-09 09:31:38,808 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:31:38,808 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-12-09 09:31:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:31:38,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:31:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:31:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:31:38,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-12-09 09:31:38,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:31:38,809 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:31:38,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 09:31:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:31:38,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:31:38,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:31:38,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:31:38,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:31:38,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:31:39,598 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 803 810) the Hoare annotation is: true [2018-12-09 09:31:39,598 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2018-12-09 09:31:39,599 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 803 810) no Hoare annotation was computed. [2018-12-09 09:31:39,599 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 770 794) no Hoare annotation was computed. [2018-12-09 09:31:39,599 INFO L444 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 09:31:39,599 INFO L448 ceAbstractionStarter]: For program point L789-1(lines 770 794) no Hoare annotation was computed. [2018-12-09 09:31:39,599 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 770 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 09:31:39,599 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 09:31:39,599 INFO L444 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 09:31:39,599 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 786) no Hoare annotation was computed. [2018-12-09 09:31:39,599 INFO L444 ceAbstractionStarter]: At program point L776(line 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 09:31:39,599 INFO L448 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2018-12-09 09:31:39,599 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 791) no Hoare annotation was computed. [2018-12-09 09:31:39,599 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 09:31:39,599 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 762 768) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 762 768) the Hoare annotation is: true [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 666 731) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,600 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 666 731) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L444 ceAbstractionStarter]: At program point L721(lines 676 723) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:31:39,600 INFO L444 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= ~systemActive~0 0) .cse0 .cse1) (and (= ~systemActive~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-12-09 09:31:39,600 INFO L444 ceAbstractionStarter]: At program point L724(lines 675 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,600 INFO L444 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L444 ceAbstractionStarter]: At program point L712-1(lines 706 719) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L677(lines 676 723) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 666 731) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 719) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L444 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-09 09:31:39,601 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 273 297) the Hoare annotation is: true [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0)) .cse1))) [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 294) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 273 297) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 273 297) no Hoare annotation was computed. [2018-12-09 09:31:39,601 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,601 INFO L444 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,601 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 155 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,601 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,602 INFO L444 ceAbstractionStarter]: At program point L167-1(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 867 881) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 867 881) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 867 881) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 822 830) the Hoare annotation is: true [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 822 830) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 09:31:39,602 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:31:39,602 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 262 270) the Hoare annotation is: true [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 262 270) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 262 270) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 218 229) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 218 229) the Hoare annotation is: true [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 218 229) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 230 238) the Hoare annotation is: true [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 230 238) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 230 238) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 738 761) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-09 09:31:39,603 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= ~systemActive~0 0))) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0) .cse1))) [2018-12-09 09:31:39,603 INFO L444 ceAbstractionStarter]: At program point L749(lines 749 755) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 738 761) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L444 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 738 761) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point L742(lines 741 760) no Hoare annotation was computed. [2018-12-09 09:31:39,603 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 194 205) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 194 205) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 194 205) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 09:31:39,604 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point L210-1(lines 206 217) no Hoare annotation was computed. [2018-12-09 09:31:39,604 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 206 217) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 206 217) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 (= |old(~waterLevel~0)| 0)) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (= ~systemActive~0 0)) .cse2 .cse3))) [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L451 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: true [2018-12-09 09:31:39,605 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 811 821) the Hoare annotation is: true [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 811 821) no Hoare annotation was computed. [2018-12-09 09:31:39,605 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 811 821) no Hoare annotation was computed. [2018-12-09 09:31:39,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:31:39 BoogieIcfgContainer [2018-12-09 09:31:39,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:31:39,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:31:39,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:31:39,613 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:31:39,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:31:35" (3/4) ... [2018-12-09 09:31:39,615 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 09:31:39,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 09:31:39,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 09:31:39,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 09:31:39,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 09:31:39,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 09:31:39,623 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 09:31:39,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 09:31:39,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 09:31:39,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 09:31:39,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:31:39,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:31:39,641 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 09:31:39,641 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 09:31:39,660 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf3eeaf8-195a-4bc0-b0b4-d8bd14f69afd/bin-2019/utaipan/witness.graphml [2018-12-09 09:31:39,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:31:39,660 INFO L168 Benchmark]: Toolchain (without parser) took 4385.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 955.2 MB in the beginning and 908.5 MB in the end (delta: 46.7 MB). Peak memory consumption was 346.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:31:39,661 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:31:39,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.5 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:31:39,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:31:39,662 INFO L168 Benchmark]: Boogie Preprocessor took 21.33 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:31:39,662 INFO L168 Benchmark]: RCFGBuilder took 317.53 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:31:39,662 INFO L168 Benchmark]: TraceAbstraction took 3695.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 916.1 MB in the end (delta: 155.7 MB). Peak memory consumption was 320.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:31:39,662 INFO L168 Benchmark]: Witness Printer took 47.36 ms. Allocated memory is still 1.3 GB. Free memory was 916.1 MB in the beginning and 908.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:31:39,663 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.5 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.92 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 21.33 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 317.53 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3695.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 916.1 MB in the end (delta: 155.7 MB). Peak memory consumption was 320.9 MB. Max. memory is 11.5 GB. * Witness Printer took 47.36 ms. Allocated memory is still 1.3 GB. Free memory was 916.1 MB in the beginning and 908.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 675]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 719 SDtfs, 773 SDslu, 1841 SDs, 0 SdLazy, 497 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 149 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9965718617954995 AbsIntWeakeningRatio, 1.0804597701149425 AbsIntAvgWeakeningVarsNumRemoved, 85.52873563218391 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 583 PreInvPairs, 622 NumberOfFragments, 811 HoareAnnotationTreeSize, 583 FomulaSimplifications, 1370 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 2595 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 42856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 20/23 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...