./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_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_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3ebf7e0857ea2577a0261191567e6475555f928 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:41:03,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:41:03,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:41:03,973 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:41:03,974 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:41:03,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:41:03,975 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:41:03,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:41:03,976 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:41:03,977 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:41:03,977 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:41:03,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:41:03,978 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:41:03,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:41:03,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:41:03,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:41:03,980 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:41:03,981 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:41:03,983 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:41:03,984 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:41:03,984 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:41:03,985 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:41:03,987 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:41:03,987 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:41:03,987 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:41:03,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:41:03,988 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:41:03,988 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:41:03,989 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:41:03,989 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:41:03,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:41:03,990 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:41:03,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:41:03,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:41:03,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:41:03,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:41:03,991 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 12:41:03,997 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:41:03,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:41:03,998 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:41:03,998 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:41:03,999 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:41:03,999 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:41:03,999 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:41:03,999 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:41:03,999 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:41:04,000 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:41:04,001 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:41:04,001 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:41:04,001 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:41:04,001 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:41:04,001 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:41:04,001 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:41:04,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:41:04,002 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:41:04,002 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:41:04,002 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:41:04,002 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 12:41:04,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:41:04,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:41:04,002 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-12-09 12:41:04,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:41:04,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:41:04,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:41:04,035 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:41:04,036 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:41:04,036 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 12:41:04,073 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/data/7f30f26b2/2a3fc594d70c4af7b891bd579d8bd571/FLAG6656a1bf1 [2018-12-09 12:41:04,498 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:41:04,499 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 12:41:04,504 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/data/7f30f26b2/2a3fc594d70c4af7b891bd579d8bd571/FLAG6656a1bf1 [2018-12-09 12:41:04,515 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/data/7f30f26b2/2a3fc594d70c4af7b891bd579d8bd571 [2018-12-09 12:41:04,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:41:04,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:41:04,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:41:04,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:41:04,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:41:04,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04, skipping insertion in model container [2018-12-09 12:41:04,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:41:04,550 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:41:04,717 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:41:04,760 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:41:04,818 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:41:04,841 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:41:04,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04 WrapperNode [2018-12-09 12:41:04,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:41:04,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:41:04,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:41:04,842 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:41:04,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:41:04,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:41:04,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:41:04,868 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:41:04,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... [2018-12-09 12:41:04,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:41:04,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:41:04,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:41:04,897 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:41:04,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:41:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 12:41:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 12:41:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:41:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:41:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 12:41:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 12:41:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:41:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 12:41:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 12:41:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 12:41:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 12:41:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 12:41:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 12:41:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 12:41:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 12:41:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 12:41:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 12:41:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 12:41:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 12:41:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 12:41:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 12:41:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 12:41:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 12:41:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 12:41:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 12:41:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 12:41:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 12:41:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 12:41:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 12:41:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 12:41:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 12:41:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 12:41:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 12:41:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 12:41:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 12:41:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 12:41:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 12:41:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 12:41:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 12:41:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 12:41:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 12:41:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 12:41:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 12:41:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 12:41:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:41:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:41:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:41:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 12:41:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 12:41:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 12:41:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 12:41:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:41:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:41:05,275 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:41:05,275 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 12:41:05,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:41:05 BoogieIcfgContainer [2018-12-09 12:41:05,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:41:05,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:41:05,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:41:05,278 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:41:05,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:41:04" (1/3) ... [2018-12-09 12:41:05,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693c989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:41:05, skipping insertion in model container [2018-12-09 12:41:05,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:41:04" (2/3) ... [2018-12-09 12:41:05,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693c989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:41:05, skipping insertion in model container [2018-12-09 12:41:05,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:41:05" (3/3) ... [2018-12-09 12:41:05,280 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-09 12:41:05,285 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:41:05,290 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:41:05,299 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:41:05,317 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:41:05,317 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:41:05,317 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:41:05,317 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:41:05,317 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:41:05,317 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:41:05,317 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:41:05,317 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:41:05,318 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:41:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-12-09 12:41:05,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 12:41:05,335 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:05,335 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 12:41:05,337 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:05,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:05,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1907958204, now seen corresponding path program 1 times [2018-12-09 12:41:05,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:05,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:05,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:05,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:05,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:05,484 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 12:41:05,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:05,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:41:05,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:41:05,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:41:05,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:41:05,496 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-12-09 12:41:05,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:05,520 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2018-12-09 12:41:05,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:41:05,521 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 12:41:05,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:05,528 INFO L225 Difference]: With dead ends: 278 [2018-12-09 12:41:05,528 INFO L226 Difference]: Without dead ends: 141 [2018-12-09 12:41:05,530 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 12:41:05,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-09 12:41:05,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-09 12:41:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-09 12:41:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2018-12-09 12:41:05,561 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2018-12-09 12:41:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:05,561 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2018-12-09 12:41:05,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:41:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2018-12-09 12:41:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:41:05,563 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:05,563 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:41:05,564 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:05,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:05,564 INFO L82 PathProgramCache]: Analyzing trace with hash -32224306, now seen corresponding path program 1 times [2018-12-09 12:41:05,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:05,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:05,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:05,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:05,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:05,626 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 12:41:05,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:05,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:41:05,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:41:05,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:41:05,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:41:05,628 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2018-12-09 12:41:05,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:05,641 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2018-12-09 12:41:05,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:41:05,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 12:41:05,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:05,642 INFO L225 Difference]: With dead ends: 221 [2018-12-09 12:41:05,642 INFO L226 Difference]: Without dead ends: 132 [2018-12-09 12:41:05,643 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 12:41:05,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-09 12:41:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-09 12:41:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-09 12:41:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2018-12-09 12:41:05,651 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2018-12-09 12:41:05,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:05,651 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2018-12-09 12:41:05,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:41:05,651 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2018-12-09 12:41:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 12:41:05,652 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:05,652 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] [2018-12-09 12:41:05,652 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:05,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:05,653 INFO L82 PathProgramCache]: Analyzing trace with hash 145716492, now seen corresponding path program 1 times [2018-12-09 12:41:05,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:05,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:05,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:05,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:05,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:05,722 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 12:41:05,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:05,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:41:05,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:41:05,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:41:05,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:41:05,723 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2018-12-09 12:41:05,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:05,962 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2018-12-09 12:41:05,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:41:05,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 12:41:05,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:05,965 INFO L225 Difference]: With dead ends: 391 [2018-12-09 12:41:05,965 INFO L226 Difference]: Without dead ends: 287 [2018-12-09 12:41:05,966 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 12:41:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-12-09 12:41:05,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-12-09 12:41:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-09 12:41:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2018-12-09 12:41:05,994 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2018-12-09 12:41:05,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:05,994 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2018-12-09 12:41:05,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:41:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2018-12-09 12:41:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 12:41:05,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:05,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:41:05,996 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:05,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:05,996 INFO L82 PathProgramCache]: Analyzing trace with hash 96715133, now seen corresponding path program 1 times [2018-12-09 12:41:05,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:05,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:05,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:05,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:05,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:06,062 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 12:41:06,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:06,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:41:06,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:41:06,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:41:06,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:41:06,063 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2018-12-09 12:41:06,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:06,193 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2018-12-09 12:41:06,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:41:06,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 12:41:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:06,197 INFO L225 Difference]: With dead ends: 763 [2018-12-09 12:41:06,198 INFO L226 Difference]: Without dead ends: 512 [2018-12-09 12:41:06,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:41:06,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-12-09 12:41:06,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-12-09 12:41:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-12-09 12:41:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2018-12-09 12:41:06,240 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2018-12-09 12:41:06,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:06,241 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2018-12-09 12:41:06,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:41:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2018-12-09 12:41:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:41:06,244 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:06,245 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:41:06,245 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:06,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:06,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1885698951, now seen corresponding path program 1 times [2018-12-09 12:41:06,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:06,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:06,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:06,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:06,321 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 12:41:06,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:06,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:41:06,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:41:06,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:41:06,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:41:06,323 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2018-12-09 12:41:06,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:06,685 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2018-12-09 12:41:06,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:41:06,686 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 12:41:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:06,688 INFO L225 Difference]: With dead ends: 1329 [2018-12-09 12:41:06,688 INFO L226 Difference]: Without dead ends: 851 [2018-12-09 12:41:06,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 12:41:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-12-09 12:41:06,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2018-12-09 12:41:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-09 12:41:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2018-12-09 12:41:06,719 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2018-12-09 12:41:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:06,719 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2018-12-09 12:41:06,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:41:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2018-12-09 12:41:06,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 12:41:06,721 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:06,721 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:06,721 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:06,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:06,721 INFO L82 PathProgramCache]: Analyzing trace with hash -955609821, now seen corresponding path program 1 times [2018-12-09 12:41:06,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:06,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:06,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:06,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:41:06,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:06,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:41:06,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:41:06,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:41:06,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:41:06,764 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 6 states. [2018-12-09 12:41:06,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:06,800 INFO L93 Difference]: Finished difference Result 1510 states and 1898 transitions. [2018-12-09 12:41:06,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:41:06,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-09 12:41:06,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:06,804 INFO L225 Difference]: With dead ends: 1510 [2018-12-09 12:41:06,804 INFO L226 Difference]: Without dead ends: 783 [2018-12-09 12:41:06,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:41:06,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-12-09 12:41:06,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 775. [2018-12-09 12:41:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-12-09 12:41:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-12-09 12:41:06,840 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 103 [2018-12-09 12:41:06,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:06,840 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-12-09 12:41:06,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:41:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-12-09 12:41:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 12:41:06,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:06,842 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:06,842 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:06,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:06,842 INFO L82 PathProgramCache]: Analyzing trace with hash 972662881, now seen corresponding path program 1 times [2018-12-09 12:41:06,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:06,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:06,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:06,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:41:06,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:06,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 12:41:06,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:41:06,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:41:06,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:41:06,895 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 8 states. [2018-12-09 12:41:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:06,937 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-12-09 12:41:06,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:41:06,938 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-09 12:41:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:06,940 INFO L225 Difference]: With dead ends: 1550 [2018-12-09 12:41:06,940 INFO L226 Difference]: Without dead ends: 803 [2018-12-09 12:41:06,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:41:06,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-12-09 12:41:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 791. [2018-12-09 12:41:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-09 12:41:06,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-09 12:41:06,965 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 103 [2018-12-09 12:41:06,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:06,966 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-09 12:41:06,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:41:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-09 12:41:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 12:41:06,967 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:06,967 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:06,967 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:06,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:06,967 INFO L82 PathProgramCache]: Analyzing trace with hash 732122752, now seen corresponding path program 1 times [2018-12-09 12:41:06,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:06,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:06,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:06,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:41:07,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:41:07,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:41:07,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:41:07,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:41:07,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:41:07,022 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 4 states. [2018-12-09 12:41:07,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:07,203 INFO L93 Difference]: Finished difference Result 2497 states and 3166 transitions. [2018-12-09 12:41:07,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:41:07,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-09 12:41:07,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:07,211 INFO L225 Difference]: With dead ends: 2497 [2018-12-09 12:41:07,211 INFO L226 Difference]: Without dead ends: 1734 [2018-12-09 12:41:07,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:41:07,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2018-12-09 12:41:07,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1703. [2018-12-09 12:41:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-12-09 12:41:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2111 transitions. [2018-12-09 12:41:07,276 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2111 transitions. Word has length 103 [2018-12-09 12:41:07,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:07,276 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 2111 transitions. [2018-12-09 12:41:07,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:41:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2111 transitions. [2018-12-09 12:41:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 12:41:07,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:07,278 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:07,279 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:07,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:07,279 INFO L82 PathProgramCache]: Analyzing trace with hash -737330874, now seen corresponding path program 1 times [2018-12-09 12:41:07,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:07,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:07,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:07,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:07,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:41:07,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:41:07,370 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 12:41:07,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:07,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:41:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:41:07,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:41:07,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 12:41:07,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 12:41:07,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 12:41:07,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 12:41:07,620 INFO L87 Difference]: Start difference. First operand 1703 states and 2111 transitions. Second operand 19 states. [2018-12-09 12:41:08,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:08,303 INFO L93 Difference]: Finished difference Result 3348 states and 4198 transitions. [2018-12-09 12:41:08,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 12:41:08,303 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-09 12:41:08,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:08,307 INFO L225 Difference]: With dead ends: 3348 [2018-12-09 12:41:08,308 INFO L226 Difference]: Without dead ends: 1673 [2018-12-09 12:41:08,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 12:41:08,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2018-12-09 12:41:08,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2018-12-09 12:41:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2018-12-09 12:41:08,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2029 transitions. [2018-12-09 12:41:08,359 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2029 transitions. Word has length 107 [2018-12-09 12:41:08,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:08,359 INFO L480 AbstractCegarLoop]: Abstraction has 1673 states and 2029 transitions. [2018-12-09 12:41:08,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 12:41:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2029 transitions. [2018-12-09 12:41:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 12:41:08,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:41:08,362 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:08,362 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:41:08,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:41:08,363 INFO L82 PathProgramCache]: Analyzing trace with hash 809644560, now seen corresponding path program 1 times [2018-12-09 12:41:08,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:41:08,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:41:08,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:08,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:08,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:41:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 12:41:08,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:41:08,469 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 12:41:08,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:41:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:41:08,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:41:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:41:08,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:41:08,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 12:41:08,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 12:41:08,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 12:41:08,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 12:41:08,705 INFO L87 Difference]: Start difference. First operand 1673 states and 2029 transitions. Second operand 19 states. [2018-12-09 12:41:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:41:09,312 INFO L93 Difference]: Finished difference Result 2831 states and 3497 transitions. [2018-12-09 12:41:09,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 12:41:09,312 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 158 [2018-12-09 12:41:09,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:41:09,313 INFO L225 Difference]: With dead ends: 2831 [2018-12-09 12:41:09,313 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:41:09,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 12:41:09,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:41:09,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:41:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:41:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:41:09,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-12-09 12:41:09,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:41:09,317 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:41:09,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 12:41:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:41:09,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:41:09,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:41:09,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:09,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:41:10,172 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2018-12-09 12:41:11,153 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-12-09 12:41:11,545 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-09 12:41:11,545 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-09 12:41:11,545 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-09 12:41:11,545 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-09 12:41:11,545 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-09 12:41:11,545 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,545 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,546 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2018-12-09 12:41:11,546 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2018-12-09 12:41:11,546 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,546 INFO L444 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,546 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2018-12-09 12:41:11,546 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2018-12-09 12:41:11,546 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 12:41:11,546 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,546 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,547 INFO L448 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2018-12-09 12:41:11,547 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2018-12-09 12:41:11,547 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 12:41:11,547 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 12:41:11,547 INFO L448 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2018-12-09 12:41:11,547 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2018-12-09 12:41:11,547 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-12-09 12:41:11,547 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-12-09 12:41:11,547 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2018-12-09 12:41:11,547 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 12:41:11,548 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5) (or .cse1 .cse6) (or .cse3 .cse2 .cse6))) [2018-12-09 12:41:11,548 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-12-09 12:41:11,548 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-12-09 12:41:11,548 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (= ~systemActive~0 1)) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (not (= ~systemActive~0 0)) .cse2)) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1) (or .cse3 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse5 .cse4 .cse1)))) [2018-12-09 12:41:11,548 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-12-09 12:41:11,548 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-12-09 12:41:11,548 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-12-09 12:41:11,548 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-12-09 12:41:11,548 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-09 12:41:11,548 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-09 12:41:11,549 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,549 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2018-12-09 12:41:11,549 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2018-12-09 12:41:11,549 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,549 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-12-09 12:41:11,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-12-09 12:41:11,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-12-09 12:41:11,549 INFO L451 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-12-09 12:41:11,549 INFO L448 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-12-09 12:41:11,549 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-09 12:41:11,549 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-12-09 12:41:11,549 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-12-09 12:41:11,550 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0))) [2018-12-09 12:41:11,550 INFO L448 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-12-09 12:41:11,550 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-12-09 12:41:11,550 INFO L448 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2018-12-09 12:41:11,550 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2018-12-09 12:41:11,550 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2018-12-09 12:41:11,550 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-09 12:41:11,550 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 12:41:11,550 INFO L448 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2018-12-09 12:41:11,550 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2018-12-09 12:41:11,551 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2018-12-09 12:41:11,551 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2018-12-09 12:41:11,551 INFO L444 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 12:41:11,551 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-12-09 12:41:11,551 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2018-12-09 12:41:11,552 INFO L444 ceAbstractionStarter]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:41:11,552 INFO L444 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-12-09 12:41:11,552 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2018-12-09 12:41:11,552 INFO L444 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 12:41:11,552 INFO L448 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2018-12-09 12:41:11,552 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2018-12-09 12:41:11,552 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-09 12:41:11,552 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-12-09 12:41:11,552 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-12-09 12:41:11,552 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L444 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-09 12:41:11,553 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 12:41:11,553 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-09 12:41:11,553 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L444 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-09 12:41:11,553 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2018-12-09 12:41:11,553 INFO L451 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: true [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: true [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: true [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-12-09 12:41:11,554 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 12:41:11,554 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2018-12-09 12:41:11,555 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-12-09 12:41:11,555 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 12:41:11,555 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 12:41:11,555 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-12-09 12:41:11,555 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-12-09 12:41:11,555 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-12-09 12:41:11,555 INFO L448 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-12-09 12:41:11,555 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-12-09 12:41:11,555 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-12-09 12:41:11,555 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-12-09 12:41:11,555 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-09 12:41:11,555 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2018-12-09 12:41:11,556 INFO L448 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2018-12-09 12:41:11,556 INFO L448 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2018-12-09 12:41:11,556 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse0) (or .cse4 (and .cse6 .cse0) .cse5 .cse2) (or .cse3 .cse5 .cse0) (or .cse5 .cse7 .cse2 (and .cse8 .cse0)) (or .cse3 .cse5 .cse8 .cse7) (or .cse3 .cse4 .cse1 .cse6) (or .cse4 .cse6 .cse1 .cse2)))) [2018-12-09 12:41:11,556 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2018-12-09 12:41:11,556 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse8)) (.cse3 (= 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 (and .cse3 .cse7)) (or .cse6 .cse1 .cse0) (or .cse8 .cse4 .cse9 .cse2) (or (and .cse7 .cse9) .cse6 .cse8 .cse4) (or .cse7 .cse4 .cse2)))) [2018-12-09 12:41:11,556 INFO L444 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1)))) (let ((.cse7 (and (not .cse9) .cse6)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse8 .cse9 .cse7 .cse2) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 (= 0 ~pumpRunning~0)) (or .cse4 .cse0 .cse3 .cse1)))) [2018-12-09 12:41:11,556 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2018-12-09 12:41:11,556 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4))) [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-09 12:41:11,557 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2018-12-09 12:41:11,557 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-12-09 12:41:11,558 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 1 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-12-09 12:41:11,558 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 12:41:11,558 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 12:41:11,558 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 12:41:11,558 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 12:41:11,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:41:11 BoogieIcfgContainer [2018-12-09 12:41:11,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:41:11,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:41:11,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:41:11,567 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:41:11,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:41:05" (3/4) ... [2018-12-09 12:41:11,569 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:41:11,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 12:41:11,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 12:41:11,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:41:11,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 12:41:11,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 12:41:11,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 12:41:11,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 12:41:11,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 12:41:11,580 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 12:41:11,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 12:41:11,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 12:41:11,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 12:41:11,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:41:11,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:41:11,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-09 12:41:11,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 12:41:11,631 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae9a205a-b544-49d0-ad30-bf4052c10b03/bin-2019/uautomizer/witness.graphml [2018-12-09 12:41:11,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:41:11,631 INFO L168 Benchmark]: Toolchain (without parser) took 7114.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -269.7 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:41:11,632 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:41:11,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:41:11,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:41:11,632 INFO L168 Benchmark]: Boogie Preprocessor took 28.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:41:11,632 INFO L168 Benchmark]: RCFGBuilder took 378.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:41:11,632 INFO L168 Benchmark]: TraceAbstraction took 6290.58 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 213.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -188.5 MB). Peak memory consumption was 353.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:41:11,633 INFO L168 Benchmark]: Witness Printer took 64.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:41:11,634 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 378.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6290.58 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 213.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -188.5 MB). Peak memory consumption was 353.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 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: 44]: 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: 917]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 154 locations, 1 error locations. SAFE Result, 6.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1898 SDtfs, 1299 SDslu, 7730 SDs, 0 SdLazy, 3091 SolverSat, 196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1703occurred in iteration=8, 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 161 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3298 PreInvPairs, 3537 NumberOfFragments, 1787 HoareAnnotationTreeSize, 3298 FomulaSimplifications, 4129 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 13854 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1126 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1114 ConstructedInterpolants, 0 QuantifiedInterpolants, 183323 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1692 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 107/111 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...