./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/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 06aae21f289bee6dc7cb083e66e9be5f9a234275 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:46:24,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:46:24,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:46:24,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:46:24,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:46:24,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:46:24,802 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:46:24,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:46:24,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:46:24,804 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:46:24,805 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:46:24,805 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:46:24,806 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:46:24,806 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:46:24,807 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:46:24,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:46:24,808 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:46:24,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:46:24,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:46:24,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:46:24,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:46:24,813 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:46:24,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:46:24,814 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:46:24,814 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:46:24,815 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:46:24,815 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:46:24,816 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:46:24,816 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:46:24,817 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:46:24,817 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:46:24,818 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:46:24,818 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:46:24,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:46:24,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:46:24,819 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:46:24,819 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 23:46:24,829 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:46:24,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:46:24,829 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:46:24,829 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:46:24,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:46:24,830 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:46:24,830 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:46:24,830 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:46:24,830 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:46:24,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:46:24,831 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:46:24,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:46:24,832 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:46:24,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:46:24,832 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_59f47d49-6dba-4500-87c4-a48ffbab5d4d/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 -> 06aae21f289bee6dc7cb083e66e9be5f9a234275 [2018-11-22 23:46:24,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:46:24,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:46:24,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:46:24,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:46:24,872 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:46:24,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-22 23:46:24,916 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/data/2c1f9b287/d6c7827f81ad4addba981745e15d7296/FLAG4021a96ee [2018-11-22 23:46:25,281 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:46:25,281 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-22 23:46:25,290 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/data/2c1f9b287/d6c7827f81ad4addba981745e15d7296/FLAG4021a96ee [2018-11-22 23:46:25,680 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/data/2c1f9b287/d6c7827f81ad4addba981745e15d7296 [2018-11-22 23:46:25,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:46:25,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:46:25,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:46:25,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:46:25,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:46:25,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:46:25" (1/1) ... [2018-11-22 23:46:25,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2780dd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:25, skipping insertion in model container [2018-11-22 23:46:25,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:46:25" (1/1) ... [2018-11-22 23:46:25,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:46:25,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:46:25,913 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:46:25,922 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:46:26,023 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:46:26,046 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:46:26,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26 WrapperNode [2018-11-22 23:46:26,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:46:26,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:46:26,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:46:26,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:46:26,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:46:26,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:46:26,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:46:26,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:46:26,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... [2018-11-22 23:46:26,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:46:26,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:46:26,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:46:26,102 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:46:26,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:46:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:46:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:46:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:46:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:46:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 23:46:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 23:46:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 23:46:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 23:46:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:46:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:46:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:46:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 23:46:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 23:46:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:46:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:46:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:46:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:46:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:46:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:46:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-22 23:46:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 23:46:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 23:46:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 23:46:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:46:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:46:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:46:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:46:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:46:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 23:46:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 23:46:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:46:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:46:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:46:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:46:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:46:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:46:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:46:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:46:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:46:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:46:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:46:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:46:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:46:26,533 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:46:26,534 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:46:26,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:46:26 BoogieIcfgContainer [2018-11-22 23:46:26,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:46:26,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:46:26,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:46:26,537 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:46:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:46:25" (1/3) ... [2018-11-22 23:46:26,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cc4af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:46:26, skipping insertion in model container [2018-11-22 23:46:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:26" (2/3) ... [2018-11-22 23:46:26,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cc4af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:46:26, skipping insertion in model container [2018-11-22 23:46:26,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:46:26" (3/3) ... [2018-11-22 23:46:26,540 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-22 23:46:26,546 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:46:26,552 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:46:26,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:46:26,582 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:46:26,582 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:46:26,582 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:46:26,583 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:46:26,583 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:46:26,583 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:46:26,583 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:46:26,583 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:46:26,583 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:46:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-22 23:46:26,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 23:46:26,603 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:26,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:46:26,606 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:26,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:26,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1088760993, now seen corresponding path program 1 times [2018-11-22 23:46:26,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:26,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:26,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:26,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:26,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:46:26,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:26,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:46:26,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:46:26,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:46:26,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:46:26,809 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-22 23:46:26,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:26,845 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2018-11-22 23:46:26,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:46:26,846 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 23:46:26,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:26,857 INFO L225 Difference]: With dead ends: 312 [2018-11-22 23:46:26,857 INFO L226 Difference]: Without dead ends: 156 [2018-11-22 23:46:26,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:46:26,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-22 23:46:26,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-22 23:46:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-22 23:46:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2018-11-22 23:46:26,906 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2018-11-22 23:46:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:26,907 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2018-11-22 23:46:26,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:46:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2018-11-22 23:46:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:46:26,910 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:26,910 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:46:26,910 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:26,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:26,912 INFO L82 PathProgramCache]: Analyzing trace with hash -767274034, now seen corresponding path program 1 times [2018-11-22 23:46:26,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:26,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:26,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:26,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:26,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:46:26,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:26,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:46:26,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:46:26,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:46:26,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:46:26,991 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2018-11-22 23:46:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:27,012 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-11-22 23:46:27,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:46:27,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 23:46:27,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:27,015 INFO L225 Difference]: With dead ends: 255 [2018-11-22 23:46:27,015 INFO L226 Difference]: Without dead ends: 147 [2018-11-22 23:46:27,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:46:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-22 23:46:27,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-22 23:46:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-22 23:46:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2018-11-22 23:46:27,028 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2018-11-22 23:46:27,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:27,029 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2018-11-22 23:46:27,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:46:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2018-11-22 23:46:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 23:46:27,030 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:27,030 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:46:27,031 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:27,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:27,031 INFO L82 PathProgramCache]: Analyzing trace with hash -960889978, now seen corresponding path program 1 times [2018-11-22 23:46:27,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:27,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:27,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:27,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:27,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:46:27,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:27,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:46:27,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:46:27,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:46:27,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:46:27,146 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2018-11-22 23:46:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:27,568 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2018-11-22 23:46:27,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:46:27,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-22 23:46:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:27,572 INFO L225 Difference]: With dead ends: 443 [2018-11-22 23:46:27,573 INFO L226 Difference]: Without dead ends: 320 [2018-11-22 23:46:27,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:46:27,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-22 23:46:27,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2018-11-22 23:46:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-11-22 23:46:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2018-11-22 23:46:27,606 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2018-11-22 23:46:27,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:27,606 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2018-11-22 23:46:27,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:46:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2018-11-22 23:46:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 23:46:27,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:27,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:46:27,609 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:27,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:27,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1600438353, now seen corresponding path program 1 times [2018-11-22 23:46:27,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:27,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:27,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:27,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:27,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:46:27,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:27,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:46:27,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:46:27,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:46:27,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:46:27,707 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2018-11-22 23:46:27,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:27,931 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2018-11-22 23:46:27,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:46:27,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-22 23:46:27,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:27,935 INFO L225 Difference]: With dead ends: 873 [2018-11-22 23:46:27,935 INFO L226 Difference]: Without dead ends: 585 [2018-11-22 23:46:27,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:46:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2018-11-22 23:46:27,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2018-11-22 23:46:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-11-22 23:46:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2018-11-22 23:46:27,975 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2018-11-22 23:46:27,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:27,976 INFO L480 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2018-11-22 23:46:27,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:46:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2018-11-22 23:46:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 23:46:27,978 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:27,978 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:46:27,978 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:27,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:27,979 INFO L82 PathProgramCache]: Analyzing trace with hash 639771605, now seen corresponding path program 1 times [2018-11-22 23:46:27,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:27,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:27,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:27,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:27,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:46:28,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:28,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:46:28,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:46:28,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:46:28,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:46:28,051 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2018-11-22 23:46:28,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:28,194 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2018-11-22 23:46:28,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:46:28,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-22 23:46:28,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:28,198 INFO L225 Difference]: With dead ends: 1364 [2018-11-22 23:46:28,198 INFO L226 Difference]: Without dead ends: 809 [2018-11-22 23:46:28,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:46:28,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-11-22 23:46:28,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2018-11-22 23:46:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-22 23:46:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2018-11-22 23:46:28,257 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2018-11-22 23:46:28,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:28,258 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2018-11-22 23:46:28,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:46:28,258 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2018-11-22 23:46:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:46:28,260 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:28,262 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] [2018-11-22 23:46:28,262 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:28,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:28,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1209946507, now seen corresponding path program 1 times [2018-11-22 23:46:28,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:28,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:28,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:28,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:46:28,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:28,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:46:28,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:46:28,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:46:28,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:46:28,329 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2018-11-22 23:46:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:28,375 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2018-11-22 23:46:28,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:46:28,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-22 23:46:28,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:28,379 INFO L225 Difference]: With dead ends: 1586 [2018-11-22 23:46:28,379 INFO L226 Difference]: Without dead ends: 819 [2018-11-22 23:46:28,380 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 [2018-11-22 23:46:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-22 23:46:28,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-11-22 23:46:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-22 23:46:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2018-11-22 23:46:28,406 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2018-11-22 23:46:28,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:28,407 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2018-11-22 23:46:28,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:46:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2018-11-22 23:46:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:46:28,409 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:28,409 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] [2018-11-22 23:46:28,409 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:28,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:28,409 INFO L82 PathProgramCache]: Analyzing trace with hash 856858125, now seen corresponding path program 1 times [2018-11-22 23:46:28,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:28,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:28,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:28,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:46:28,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:28,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 23:46:28,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 23:46:28,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 23:46:28,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:46:28,485 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2018-11-22 23:46:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:28,520 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2018-11-22 23:46:28,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:46:28,520 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-22 23:46:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:28,523 INFO L225 Difference]: With dead ends: 1626 [2018-11-22 23:46:28,523 INFO L226 Difference]: Without dead ends: 839 [2018-11-22 23:46:28,524 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 [2018-11-22 23:46:28,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-11-22 23:46:28,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-11-22 23:46:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-11-22 23:46:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2018-11-22 23:46:28,548 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2018-11-22 23:46:28,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:28,548 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2018-11-22 23:46:28,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 23:46:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2018-11-22 23:46:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:46:28,550 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:28,550 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] [2018-11-22 23:46:28,550 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:28,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:28,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1990048718, now seen corresponding path program 1 times [2018-11-22 23:46:28,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:28,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:28,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:28,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:46:28,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:46:28,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:46:28,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:46:28,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:46:28,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:46:28,618 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2018-11-22 23:46:28,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:28,765 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2018-11-22 23:46:28,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:46:28,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-22 23:46:28,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:28,770 INFO L225 Difference]: With dead ends: 2661 [2018-11-22 23:46:28,771 INFO L226 Difference]: Without dead ends: 1858 [2018-11-22 23:46:28,772 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 [2018-11-22 23:46:28,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2018-11-22 23:46:28,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2018-11-22 23:46:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-22 23:46:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2018-11-22 23:46:28,830 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2018-11-22 23:46:28,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:28,830 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2018-11-22 23:46:28,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:46:28,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2018-11-22 23:46:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-22 23:46:28,833 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:28,833 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] [2018-11-22 23:46:28,833 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:28,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:28,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1724957708, now seen corresponding path program 1 times [2018-11-22 23:46:28,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:28,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:28,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:28,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:46:28,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:46:28,930 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/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 [2018-11-22 23:46:28,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:29,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:46:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:46:29,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:46:29,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-22 23:46:29,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-22 23:46:29,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 23:46:29,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:46:29,158 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 19 states. [2018-11-22 23:46:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:29,882 INFO L93 Difference]: Finished difference Result 3614 states and 4534 transitions. [2018-11-22 23:46:29,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-22 23:46:29,882 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-22 23:46:29,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:29,887 INFO L225 Difference]: With dead ends: 3614 [2018-11-22 23:46:29,887 INFO L226 Difference]: Without dead ends: 1811 [2018-11-22 23:46:29,891 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 [2018-11-22 23:46:29,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2018-11-22 23:46:29,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2018-11-22 23:46:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2018-11-22 23:46:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2193 transitions. [2018-11-22 23:46:29,947 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2193 transitions. Word has length 107 [2018-11-22 23:46:29,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:29,948 INFO L480 AbstractCegarLoop]: Abstraction has 1811 states and 2193 transitions. [2018-11-22 23:46:29,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-22 23:46:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2193 transitions. [2018-11-22 23:46:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-22 23:46:29,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:46:29,952 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:46:29,952 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:46:29,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:29,952 INFO L82 PathProgramCache]: Analyzing trace with hash 56514822, now seen corresponding path program 1 times [2018-11-22 23:46:29,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:29,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:29,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:29,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:29,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-22 23:46:30,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:46:30,070 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/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 [2018-11-22 23:46:30,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:30,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:46:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:46:30,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:46:30,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-22 23:46:30,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-22 23:46:30,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 23:46:30,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:46:30,282 INFO L87 Difference]: Start difference. First operand 1811 states and 2193 transitions. Second operand 19 states. [2018-11-22 23:46:30,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:46:30,961 INFO L93 Difference]: Finished difference Result 3047 states and 3755 transitions. [2018-11-22 23:46:30,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-22 23:46:30,961 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-11-22 23:46:30,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:46:30,962 INFO L225 Difference]: With dead ends: 3047 [2018-11-22 23:46:30,962 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:46:30,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-22 23:46:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:46:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:46:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:46:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:46:30,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-22 23:46:30,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:46:30,967 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:46:30,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-22 23:46:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:46:30,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:46:30,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:46:31,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:46:31,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:46:31,704 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2018-11-22 23:46:32,653 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2018-11-22 23:46:33,279 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2018-11-22 23:46:33,279 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2018-11-22 23:46:33,279 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2018-11-22 23:46:33,279 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2018-11-22 23:46:33,279 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2018-11-22 23:46:33,279 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,279 INFO L444 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,280 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,280 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2018-11-22 23:46:33,280 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2018-11-22 23:46:33,280 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,280 INFO L444 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,280 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2018-11-22 23:46:33,280 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2018-11-22 23:46:33,280 INFO L448 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2018-11-22 23:46:33,280 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,281 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-22 23:46:33,281 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-22 23:46:33,281 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-22 23:46:33,281 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-22 23:46:33,281 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-22 23:46:33,281 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-22 23:46:33,281 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-22 23:46:33,281 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-22 23:46:33,281 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-22 23:46:33,281 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-22 23:46:33,282 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2018-11-22 23:46:33,282 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse0 .cse4 .cse5) (or .cse5 .cse4 .cse6) (or .cse1 .cse6 .cse2) (or .cse3 .cse6))) [2018-11-22 23:46:33,282 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-11-22 23:46:33,282 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse5 .cse6) (or .cse4 .cse3 .cse7) (or .cse1 .cse7 .cse2) (or .cse5 .cse6 .cse7))) [2018-11-22 23:46:33,282 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2018-11-22 23:46:33,282 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-11-22 23:46:33,282 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-11-22 23:46:33,282 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-11-22 23:46:33,282 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-11-22 23:46:33,282 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-11-22 23:46:33,282 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2018-11-22 23:46:33,283 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-11-22 23:46:33,283 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-11-22 23:46:33,283 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2018-11-22 23:46:33,284 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2018-11-22 23:46:33,284 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-22 23:46:33,284 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-11-22 23:46:33,284 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= processEnvironment_~tmp~2 ~methaneLevelCritical~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-22 23:46:33,285 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-11-22 23:46:33,285 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse0 (= processEnvironment_~tmp~2 ~methaneLevelCritical~0)) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-11-22 23:46:33,285 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-22 23:46:33,285 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-11-22 23:46:33,285 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-22 23:46:33,285 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-22 23:46:33,285 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-11-22 23:46:33,285 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-22 23:46:33,285 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-22 23:46:33,285 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:46:33,285 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2018-11-22 23:46:33,285 INFO L444 ceAbstractionStarter]: At program point L368(lines 319 369) 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))) [2018-11-22 23:46:33,286 INFO L444 ceAbstractionStarter]: At program point L358(line 358) 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)))) [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L444 ceAbstractionStarter]: At program point L356-1(lines 350 363) 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))) [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L444 ceAbstractionStarter]: At program point L342(line 342) 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))) [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L444 ceAbstractionStarter]: At program point L365(lines 320 367) 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))) [2018-11-22 23:46:33,286 INFO L444 ceAbstractionStarter]: At program point L332(line 332) 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))) [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2018-11-22 23:46:33,286 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:46:33,287 INFO L444 ceAbstractionStarter]: At program point L183(line 183) 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 .cse0 .cse1 .cse2 (and (= 0 ~pumpRunning~0) (= activatePump_~tmp~3 ~methaneLevelCritical~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-11-22 23:46:33,287 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse2 .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse1 (= ~methaneLevelCritical~0 1)))) [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L451 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-11-22 23:46:33,288 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L451 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2018-11-22 23:46:33,288 INFO L451 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L451 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-22 23:46:33,288 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse6)) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse1) (or .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse0 .cse3 .cse2) (or .cse6 .cse8 .cse7 .cse4) (or .cse6 .cse0 (and .cse1 .cse7) .cse4) (or .cse5 .cse6 .cse8 .cse7)))) [2018-11-22 23:46:33,288 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse2 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 0 ~pumpRunning~0)) (.cse8 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 (and .cse4 .cse5)) (or .cse6 .cse7 .cse0 (and .cse5 .cse8)) (or (and .cse1 .cse5) .cse6 .cse0 .cse2) (or .cse6 .cse0 .cse4) (or .cse8 .cse7 .cse0 .cse3)))) [2018-11-22 23:46:33,289 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse6)) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse1) (or .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse0 .cse3 .cse2) (or .cse5 .cse8 .cse1) (or .cse6 .cse0 (and (not .cse8) .cse7) (and .cse1 .cse7) .cse4)))) [2018-11-22 23:46:33,289 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: true [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:46:33,289 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)) [2018-11-22 23:46:33,289 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= 0 ~pumpRunning~0) (not (= ~waterLevel~0 1))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-22 23:46:33,289 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-22 23:46:33,289 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L444 ceAbstractionStarter]: At program point L865(line 865) 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))) [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-22 23:46:33,290 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L451 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-11-22 23:46:33,290 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2018-11-22 23:46:33,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:46:33 BoogieIcfgContainer [2018-11-22 23:46:33,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:46:33,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:46:33,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:46:33,300 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:46:33,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:46:26" (3/4) ... [2018-11-22 23:46:33,303 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 23:46:33,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:46:33,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:46:33,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:46:33,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:46:33,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:46:33,315 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-22 23:46:33,315 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:46:33,315 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:46:33,316 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:46:33,316 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:46:33,316 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:46:33,317 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:46:33,336 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) [2018-11-22 23:46:33,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:46:33,370 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59f47d49-6dba-4500-87c4-a48ffbab5d4d/bin-2019/uautomizer/witness.graphml [2018-11-22 23:46:33,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:46:33,370 INFO L168 Benchmark]: Toolchain (without parser) took 7687.61 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 460.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -100.7 MB). Peak memory consumption was 359.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:33,371 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:46:33,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:33,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:33,371 INFO L168 Benchmark]: Boogie Preprocessor took 31.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:46:33,372 INFO L168 Benchmark]: RCFGBuilder took 432.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:33,372 INFO L168 Benchmark]: TraceAbstraction took 6764.49 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 425.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:33,372 INFO L168 Benchmark]: Witness Printer took 70.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:33,374 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 432.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6764.49 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 425.9 MB. Max. memory is 11.5 GB. * Witness Printer took 70.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: 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: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2188 SDtfs, 1484 SDslu, 9139 SDs, 0 SdLazy, 3211 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 303 SyntacticMatches, 3 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1827occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3722 PreInvPairs, 3949 NumberOfFragments, 1723 HoareAnnotationTreeSize, 3722 FomulaSimplifications, 2490 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 71 FomulaSimplificationsInter, 14116 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1125 ConstructedInterpolants, 0 QuantifiedInterpolants, 191894 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1679 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 115/119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...