./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/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 28eabf23056233d68b7e553ed7896542bdaad81b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:08:05,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:08:05,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:08:05,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:08:05,838 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:08:05,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:08:05,839 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:08:05,841 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:08:05,842 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:08:05,842 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:08:05,843 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:08:05,843 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:08:05,844 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:08:05,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:08:05,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:08:05,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:08:05,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:08:05,847 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:08:05,848 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:08:05,850 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:08:05,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:08:05,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:08:05,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:08:05,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:08:05,853 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:08:05,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:08:05,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:08:05,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:08:05,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:08:05,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:08:05,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:08:05,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:08:05,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:08:05,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:08:05,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:08:05,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:08:05,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:08:05,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:08:05,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:08:05,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:08:05,869 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:08:05,870 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:08:05,870 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:08:05,870 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:08:05,870 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:08:05,870 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:08:05,870 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:08:05,870 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:08:05,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:08:05,871 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:08:05,871 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:08:05,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:08:05,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:08:05,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:08:05,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:08:05,871 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:08:05,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:08:05,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:08:05,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:08:05,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:08:05,872 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:08:05,872 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:08:05,872 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:08:05,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:08:05,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:08:05,873 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:08:05,873 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:08:05,873 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:08:05,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:08:05,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:08:05,873 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:08:05,873 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_e078f12e-777a-4296-bf90-32874f129f0b/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 -> 28eabf23056233d68b7e553ed7896542bdaad81b [2018-11-10 13:08:05,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:08:05,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:08:05,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:08:05,909 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:08:05,909 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:08:05,910 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-11-10 13:08:05,942 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/data/cf02bb9a3/2174dfacd9594cb1ae2b76f004f83c32/FLAGe034b754f [2018-11-10 13:08:06,365 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:08:06,366 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-11-10 13:08:06,375 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/data/cf02bb9a3/2174dfacd9594cb1ae2b76f004f83c32/FLAGe034b754f [2018-11-10 13:08:06,384 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/data/cf02bb9a3/2174dfacd9594cb1ae2b76f004f83c32 [2018-11-10 13:08:06,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:08:06,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:08:06,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:08:06,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:08:06,389 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:08:06,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1243c5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06, skipping insertion in model container [2018-11-10 13:08:06,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:08:06,427 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:08:06,606 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:08:06,615 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:08:06,668 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:08:06,689 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:08:06,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06 WrapperNode [2018-11-10 13:08:06,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:08:06,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:08:06,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:08:06,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:08:06,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:08:06,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:08:06,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:08:06,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:08:06,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... [2018-11-10 13:08:06,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:08:06,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:08:06,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:08:06,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:08:06,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:08:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 13:08:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 13:08:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:08:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:08:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 13:08:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 13:08:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 13:08:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 13:08:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 13:08:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 13:08:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 13:08:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 13:08:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 13:08:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 13:08:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 13:08:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 13:08:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 13:08:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 13:08:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 13:08:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 13:08:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 13:08:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 13:08:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 13:08:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 13:08:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 13:08:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 13:08:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 13:08:06,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 13:08:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 13:08:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 13:08:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-10 13:08:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-10 13:08:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-10 13:08:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-10 13:08:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-10 13:08:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-10 13:08:06,885 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 13:08:06,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 13:08:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 13:08:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 13:08:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 13:08:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 13:08:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:08:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:08:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 13:08:06,886 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 13:08:06,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:08:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:08:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 13:08:06,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 13:08:07,456 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:08:07,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:08:07 BoogieIcfgContainer [2018-11-10 13:08:07,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:08:07,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:08:07,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:08:07,460 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:08:07,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:08:06" (1/3) ... [2018-11-10 13:08:07,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b46dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:08:07, skipping insertion in model container [2018-11-10 13:08:07,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:08:06" (2/3) ... [2018-11-10 13:08:07,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b46dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:08:07, skipping insertion in model container [2018-11-10 13:08:07,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:08:07" (3/3) ... [2018-11-10 13:08:07,463 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-11-10 13:08:07,472 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:08:07,479 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:08:07,492 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:08:07,520 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:08:07,520 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:08:07,520 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:08:07,520 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:08:07,520 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:08:07,520 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:08:07,520 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:08:07,520 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:08:07,537 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-11-10 13:08:07,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 13:08:07,544 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:08:07,545 INFO L375 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] [2018-11-10 13:08:07,547 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:08:07,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:08:07,552 INFO L82 PathProgramCache]: Analyzing trace with hash -259464839, now seen corresponding path program 1 times [2018-11-10 13:08:07,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:08:07,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:07,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:08:07,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:07,596 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:08:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:08:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 13:08:07,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:08:07,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:08:07,755 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:08:07,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:08:07,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:08:07,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:08:07,774 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-11-10 13:08:07,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:08:07,802 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-11-10 13:08:07,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:08:07,803 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-10 13:08:07,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:08:07,811 INFO L225 Difference]: With dead ends: 228 [2018-11-10 13:08:07,811 INFO L226 Difference]: Without dead ends: 116 [2018-11-10 13:08:07,814 INFO L605 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 [2018-11-10 13:08:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-10 13:08:07,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-10 13:08:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-10 13:08:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2018-11-10 13:08:07,847 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 59 [2018-11-10 13:08:07,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:08:07,847 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2018-11-10 13:08:07,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:08:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2018-11-10 13:08:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 13:08:07,851 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:08:07,851 INFO L375 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] [2018-11-10 13:08:07,851 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:08:07,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:08:07,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1547134861, now seen corresponding path program 1 times [2018-11-10 13:08:07,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:08:07,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:07,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:08:07,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:07,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:08:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:08:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 13:08:07,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:08:07,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:08:07,934 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:08:07,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:08:07,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:08:07,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:08:07,936 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 3 states. [2018-11-10 13:08:07,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:08:07,951 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2018-11-10 13:08:07,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:08:07,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-10 13:08:07,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:08:07,955 INFO L225 Difference]: With dead ends: 175 [2018-11-10 13:08:07,955 INFO L226 Difference]: Without dead ends: 106 [2018-11-10 13:08:07,956 INFO L605 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 [2018-11-10 13:08:07,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-10 13:08:07,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-10 13:08:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-10 13:08:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-11-10 13:08:07,965 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 61 [2018-11-10 13:08:07,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:08:07,965 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-11-10 13:08:07,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:08:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-11-10 13:08:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 13:08:07,967 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:08:07,967 INFO L375 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] [2018-11-10 13:08:07,967 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:08:07,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:08:07,968 INFO L82 PathProgramCache]: Analyzing trace with hash -689630366, now seen corresponding path program 1 times [2018-11-10 13:08:07,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:08:07,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:07,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:08:07,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:07,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:08:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:08:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 13:08:08,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:08:08,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 13:08:08,075 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:08:08,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 13:08:08,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 13:08:08,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:08:08,076 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 7 states. [2018-11-10 13:08:08,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:08:08,364 INFO L93 Difference]: Finished difference Result 184 states and 217 transitions. [2018-11-10 13:08:08,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 13:08:08,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-10 13:08:08,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:08:08,365 INFO L225 Difference]: With dead ends: 184 [2018-11-10 13:08:08,365 INFO L226 Difference]: Without dead ends: 106 [2018-11-10 13:08:08,366 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 13:08:08,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-10 13:08:08,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-10 13:08:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-10 13:08:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2018-11-10 13:08:08,372 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 65 [2018-11-10 13:08:08,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:08:08,373 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2018-11-10 13:08:08,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 13:08:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2018-11-10 13:08:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 13:08:08,374 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:08:08,375 INFO L375 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, 1, 1, 1] [2018-11-10 13:08:08,375 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:08:08,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:08:08,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1874337743, now seen corresponding path program 1 times [2018-11-10 13:08:08,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:08:08,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:08,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:08:08,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:08:08,376 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:08:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:08:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 13:08:08,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:08:08,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 13:08:08,492 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:08:08,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 13:08:08,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 13:08:08,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:08:08,494 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 7 states. [2018-11-10 13:08:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:08:08,998 INFO L93 Difference]: Finished difference Result 160 states and 189 transitions. [2018-11-10 13:08:08,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 13:08:08,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2018-11-10 13:08:08,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:08:08,999 INFO L225 Difference]: With dead ends: 160 [2018-11-10 13:08:08,999 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:08:09,000 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 13:08:09,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:08:09,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:08:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:08:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:08:09,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-11-10 13:08:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:08:09,001 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:08:09,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 13:08:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:08:09,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:08:09,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:08:09,312 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-10 13:08:09,312 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-10 13:08:09,312 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-10 13:08:09,312 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-10 13:08:09,312 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-10 13:08:09,312 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 894 901) the Hoare annotation is: true [2018-11-10 13:08:09,312 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 894 901) no Hoare annotation was computed. [2018-11-10 13:08:09,313 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 894 901) no Hoare annotation was computed. [2018-11-10 13:08:09,313 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 902 911) the Hoare annotation is: true [2018-11-10 13:08:09,313 INFO L425 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-10 13:08:09,313 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 902 911) no Hoare annotation was computed. [2018-11-10 13:08:09,313 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 902 911) no Hoare annotation was computed. [2018-11-10 13:08:09,313 INFO L421 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,313 INFO L425 ceAbstractionStarter]: For program point L925(lines 925 931) no Hoare annotation was computed. [2018-11-10 13:08:09,313 INFO L425 ceAbstractionStarter]: For program point L924(lines 924 934) no Hoare annotation was computed. [2018-11-10 13:08:09,313 INFO L428 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-11-10 13:08:09,314 INFO L425 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-11-10 13:08:09,314 INFO L425 ceAbstractionStarter]: For program point L920(lines 920 937) no Hoare annotation was computed. [2018-11-10 13:08:09,314 INFO L425 ceAbstractionStarter]: For program point L920-1(lines 912 940) no Hoare annotation was computed. [2018-11-10 13:08:09,314 INFO L428 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-11-10 13:08:09,314 INFO L425 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-11-10 13:08:09,315 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 912 940) the Hoare annotation is: true [2018-11-10 13:08:09,316 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 912 940) no Hoare annotation was computed. [2018-11-10 13:08:09,316 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 413 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,316 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 413 435) no Hoare annotation was computed. [2018-11-10 13:08:09,316 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 413 435) no Hoare annotation was computed. [2018-11-10 13:08:09,316 INFO L421 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-11-10 13:08:09,316 INFO L421 ceAbstractionStarter]: At program point L425-1(line 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0))) [2018-11-10 13:08:09,316 INFO L425 ceAbstractionStarter]: For program point L423(lines 423 430) no Hoare annotation was computed. [2018-11-10 13:08:09,316 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 423 430) no Hoare annotation was computed. [2018-11-10 13:08:09,316 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-10 13:08:09,316 INFO L421 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,317 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,317 INFO L421 ceAbstractionStarter]: At program point L419-1(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,317 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 206 214) no Hoare annotation was computed. [2018-11-10 13:08:09,317 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 206 214) the Hoare annotation is: true [2018-11-10 13:08:09,317 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 206 214) no Hoare annotation was computed. [2018-11-10 13:08:09,317 INFO L425 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2018-11-10 13:08:09,317 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 251 269) the Hoare annotation is: true [2018-11-10 13:08:09,317 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 251 269) no Hoare annotation was computed. [2018-11-10 13:08:09,317 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 264) no Hoare annotation was computed. [2018-11-10 13:08:09,317 INFO L428 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2018-11-10 13:08:09,317 INFO L425 ceAbstractionStarter]: For program point L260-2(lines 260 264) no Hoare annotation was computed. [2018-11-10 13:08:09,317 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 251 269) no Hoare annotation was computed. [2018-11-10 13:08:09,318 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-10 13:08:09,318 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-10 13:08:09,318 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 402 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,318 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 402 412) no Hoare annotation was computed. [2018-11-10 13:08:09,318 INFO L421 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,318 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 402 412) no Hoare annotation was computed. [2018-11-10 13:08:09,318 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 187 194) the Hoare annotation is: true [2018-11-10 13:08:09,318 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 187 194) no Hoare annotation was computed. [2018-11-10 13:08:09,318 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 187 194) no Hoare annotation was computed. [2018-11-10 13:08:09,318 INFO L421 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,318 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 136 160) no Hoare annotation was computed. [2018-11-10 13:08:09,318 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 136 160) no Hoare annotation was computed. [2018-11-10 13:08:09,319 INFO L421 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,319 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 136 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,319 INFO L421 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,319 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 152) no Hoare annotation was computed. [2018-11-10 13:08:09,319 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,319 INFO L425 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-11-10 13:08:09,319 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 157) no Hoare annotation was computed. [2018-11-10 13:08:09,319 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 128 134) no Hoare annotation was computed. [2018-11-10 13:08:09,319 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 128 134) the Hoare annotation is: true [2018-11-10 13:08:09,319 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2018-11-10 13:08:09,319 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 274 337) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,320 INFO L421 ceAbstractionStarter]: At program point L320-2(lines 314 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point L285(lines 284 329) no Hoare annotation was computed. [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 325) no Hoare annotation was computed. [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 274 337) no Hoare annotation was computed. [2018-11-10 13:08:09,320 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point L304-1(lines 304 310) no Hoare annotation was computed. [2018-11-10 13:08:09,320 INFO L421 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,320 INFO L421 ceAbstractionStarter]: At program point L327(lines 284 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 300) no Hoare annotation was computed. [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point L294-1(lines 294 300) no Hoare annotation was computed. [2018-11-10 13:08:09,320 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point L284-1(lines 284 329) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L421 ceAbstractionStarter]: At program point L330(lines 283 331) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 274 337) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 517 525) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 517 525) the Hoare annotation is: true [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 517 525) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 508 516) the Hoare annotation is: true [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 508 516) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 508 516) no Hoare annotation was computed. [2018-11-10 13:08:09,321 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 464 475) the Hoare annotation is: true [2018-11-10 13:08:09,322 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 464 475) no Hoare annotation was computed. [2018-11-10 13:08:09,322 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-11-10 13:08:09,322 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,322 INFO L421 ceAbstractionStarter]: At program point L115(lines 115 121) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,322 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 101 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,322 INFO L421 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 13:08:09,322 INFO L425 ceAbstractionStarter]: For program point L108(lines 104 126) no Hoare annotation was computed. [2018-11-10 13:08:09,322 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 127) no Hoare annotation was computed. [2018-11-10 13:08:09,322 INFO L425 ceAbstractionStarter]: For program point L106(lines 104 126) no Hoare annotation was computed. [2018-11-10 13:08:09,322 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 127) no Hoare annotation was computed. [2018-11-10 13:08:09,323 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 340 369) no Hoare annotation was computed. [2018-11-10 13:08:09,323 INFO L425 ceAbstractionStarter]: For program point L351(line 351) no Hoare annotation was computed. [2018-11-10 13:08:09,323 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 358) no Hoare annotation was computed. [2018-11-10 13:08:09,323 INFO L428 ceAbstractionStarter]: At program point L354-1(lines 354 358) the Hoare annotation is: true [2018-11-10 13:08:09,323 INFO L425 ceAbstractionStarter]: For program point L350-1(lines 350 364) no Hoare annotation was computed. [2018-11-10 13:08:09,323 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 340 369) the Hoare annotation is: true [2018-11-10 13:08:09,323 INFO L428 ceAbstractionStarter]: At program point L350-3(lines 350 364) the Hoare annotation is: true [2018-11-10 13:08:09,323 INFO L428 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2018-11-10 13:08:09,323 INFO L425 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-11-10 13:08:09,323 INFO L428 ceAbstractionStarter]: At program point L365(lines 340 369) the Hoare annotation is: true [2018-11-10 13:08:09,323 INFO L425 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2018-11-10 13:08:09,323 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 440 451) the Hoare annotation is: true [2018-11-10 13:08:09,324 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-11-10 13:08:09,324 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-11-10 13:08:09,324 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:08:09,324 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 13:08:09,324 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:08:09,324 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:08:09,324 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 394 400) no Hoare annotation was computed. [2018-11-10 13:08:09,324 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 394 400) the Hoare annotation is: true [2018-11-10 13:08:09,324 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-10 13:08:09,324 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-10 13:08:09,324 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 452 463) the Hoare annotation is: true [2018-11-10 13:08:09,325 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-10 13:08:09,325 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-10 13:08:09,325 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-10 13:08:09,325 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-10 13:08:09,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:08:09 BoogieIcfgContainer [2018-11-10 13:08:09,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:08:09,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:08:09,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:08:09,335 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:08:09,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:08:07" (3/4) ... [2018-11-10 13:08:09,338 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:08:09,344 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 13:08:09,344 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 13:08:09,344 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-10 13:08:09,344 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-10 13:08:09,344 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-10 13:08:09,344 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 13:08:09,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 13:08:09,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 13:08:09,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 13:08:09,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 13:08:09,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 13:08:09,346 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 13:08:09,355 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 13:08:09,356 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 13:08:09,356 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 13:08:09,377 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) [2018-11-10 13:08:09,377 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(systemActive == 1) [2018-11-10 13:08:09,414 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e078f12e-777a-4296-bf90-32874f129f0b/bin-2019/utaipan/witness.graphml [2018-11-10 13:08:09,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:08:09,415 INFO L168 Benchmark]: Toolchain (without parser) took 3028.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 963.0 MB in the beginning and 1.0 GB in the end (delta: -59.4 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:08:09,415 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:08:09,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.15 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:08:09,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:08:09,416 INFO L168 Benchmark]: Boogie Preprocessor took 32.81 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:08:09,416 INFO L168 Benchmark]: RCFGBuilder took 628.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:08:09,417 INFO L168 Benchmark]: TraceAbstraction took 1876.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -2.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:08:09,417 INFO L168 Benchmark]: Witness Printer took 79.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-10 13:08:09,418 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.15 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.81 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 628.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1876.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -2.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 79.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 283]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 129 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 454 SDtfs, 264 SDslu, 477 SDs, 0 SdLazy, 279 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 27660 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...