./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/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 edf277e8e45bc51905c3746c53b47e5f504df38a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:02:03,066 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:02:03,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:02:03,075 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:02:03,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:02:03,076 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:02:03,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:02:03,078 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:02:03,079 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:02:03,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:02:03,080 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:02:03,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:02:03,081 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:02:03,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:02:03,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:02:03,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:02:03,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:02:03,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:02:03,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:02:03,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:02:03,086 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:02:03,087 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:02:03,088 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:02:03,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:02:03,089 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:02:03,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:02:03,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:02:03,090 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:02:03,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:02:03,091 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:02:03,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:02:03,092 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:02:03,092 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:02:03,092 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:02:03,092 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:02:03,093 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:02:03,093 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:02:03,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:02:03,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:02:03,101 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:02:03,101 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:02:03,102 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:02:03,102 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:02:03,102 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:02:03,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:02:03,102 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:02:03,103 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:02:03,103 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:02:03,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:02:03,103 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:02:03,103 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:02:03,103 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:02:03,103 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:02:03,104 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:02:03,104 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:02:03,104 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:02:03,104 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:02:03,104 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:02:03,104 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:02:03,105 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:02:03,105 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:02:03,105 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:02:03,105 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:02:03,105 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:02:03,105 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:02:03,105 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:02:03,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:02:03,106 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_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-11-28 13:02:03,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:02:03,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:02:03,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:02:03,142 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:02:03,142 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:02:03,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:02:03,184 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/data/99925ba08/b27c319fee184904bd417350ae9c9334/FLAG955f8dec3 [2018-11-28 13:02:03,556 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:02:03,557 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:02:03,566 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/data/99925ba08/b27c319fee184904bd417350ae9c9334/FLAG955f8dec3 [2018-11-28 13:02:03,942 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/data/99925ba08/b27c319fee184904bd417350ae9c9334 [2018-11-28 13:02:03,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:02:03,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:02:03,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:02:03,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:02:03,949 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:02:03,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:03" (1/1) ... [2018-11-28 13:02:03,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:03, skipping insertion in model container [2018-11-28 13:02:03,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:03" (1/1) ... [2018-11-28 13:02:03,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:02:03,981 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:02:04,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:02:04,173 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:02:04,266 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:02:04,283 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:02:04,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04 WrapperNode [2018-11-28 13:02:04,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:02:04,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:02:04,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:02:04,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:02:04,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:02:04,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:02:04,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:02:04,304 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:02:04,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... [2018-11-28 13:02:04,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:02:04,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:02:04,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:02:04,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:02:04,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:02:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:02:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:02:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:02:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:02:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:02:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:02:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:02:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:02:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:02:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:02:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:02:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:02:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:02:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:02:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:02:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:02:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:02:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:02:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:02:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:02:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:02:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:02:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:02:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:02:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:02:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:02:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:02:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:02:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:02:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:02:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:02:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:02:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:02:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:02:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:02:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:02:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:02:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:02:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:02:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:02:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:02:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:02:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:02:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:02:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:02:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:02:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:02:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:02:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:02:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:02:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:02:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:02:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:02:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:02:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:02:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:02:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:02:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:02:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:02:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:02:04,756 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:02:04,757 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:02:04,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:02:04 BoogieIcfgContainer [2018-11-28 13:02:04,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:02:04,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:02:04,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:02:04,761 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:02:04,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:02:03" (1/3) ... [2018-11-28 13:02:04,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459432c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:02:04, skipping insertion in model container [2018-11-28 13:02:04,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:04" (2/3) ... [2018-11-28 13:02:04,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459432c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:02:04, skipping insertion in model container [2018-11-28 13:02:04,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:02:04" (3/3) ... [2018-11-28 13:02:04,765 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:02:04,773 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:02:04,779 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:02:04,793 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:02:04,818 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:02:04,819 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:02:04,819 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:02:04,819 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:02:04,819 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:02:04,819 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:02:04,819 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:02:04,820 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:02:04,820 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:02:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-28 13:02:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:02:04,842 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:04,843 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] [2018-11-28 13:02:04,845 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:04,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:04,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1857615560, now seen corresponding path program 1 times [2018-11-28 13:02:04,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:04,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:04,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:04,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:04,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:02:05,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:05,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:02:05,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:02:05,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:02:05,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:02:05,038 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-28 13:02:05,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:05,061 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-11-28 13:02:05,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:02:05,061 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:02:05,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:05,068 INFO L225 Difference]: With dead ends: 280 [2018-11-28 13:02:05,068 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 13:02:05,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:02:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 13:02:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 13:02:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 13:02:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-11-28 13:02:05,103 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2018-11-28 13:02:05,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:05,103 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-11-28 13:02:05,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:02:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-11-28 13:02:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:02:05,106 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:05,106 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] [2018-11-28 13:02:05,106 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:05,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:05,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1936984543, now seen corresponding path program 1 times [2018-11-28 13:02:05,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:05,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:05,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:05,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:02:05,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:05,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:02:05,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:02:05,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:02:05,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:02:05,184 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2018-11-28 13:02:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:05,202 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2018-11-28 13:02:05,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:02:05,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:02:05,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:05,204 INFO L225 Difference]: With dead ends: 229 [2018-11-28 13:02:05,204 INFO L226 Difference]: Without dead ends: 131 [2018-11-28 13:02:05,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:02:05,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-28 13:02:05,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-28 13:02:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-28 13:02:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-11-28 13:02:05,217 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2018-11-28 13:02:05,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:05,217 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-11-28 13:02:05,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:02:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-11-28 13:02:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:02:05,218 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:05,219 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] [2018-11-28 13:02:05,219 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:05,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:05,219 INFO L82 PathProgramCache]: Analyzing trace with hash -722343227, now seen corresponding path program 1 times [2018-11-28 13:02:05,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:05,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:05,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:05,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:02:05,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:05,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:02:05,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:02:05,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:02:05,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:02:05,323 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2018-11-28 13:02:05,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:05,509 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-11-28 13:02:05,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:02:05,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 13:02:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:05,512 INFO L225 Difference]: With dead ends: 238 [2018-11-28 13:02:05,512 INFO L226 Difference]: Without dead ends: 131 [2018-11-28 13:02:05,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:02:05,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-28 13:02:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-28 13:02:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-28 13:02:05,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2018-11-28 13:02:05,524 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2018-11-28 13:02:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:05,525 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2018-11-28 13:02:05,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:02:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2018-11-28 13:02:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 13:02:05,526 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:05,527 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:05,527 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:05,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash 284293189, now seen corresponding path program 1 times [2018-11-28 13:02:05,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:05,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:05,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:05,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:02:05,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:05,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:02:05,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:02:05,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:02:05,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:02:05,642 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2018-11-28 13:02:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:05,965 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2018-11-28 13:02:05,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:02:05,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-28 13:02:05,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:05,967 INFO L225 Difference]: With dead ends: 334 [2018-11-28 13:02:05,967 INFO L226 Difference]: Without dead ends: 227 [2018-11-28 13:02:05,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:02:05,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-28 13:02:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-11-28 13:02:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-28 13:02:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-11-28 13:02:05,992 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2018-11-28 13:02:05,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:05,992 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-11-28 13:02:05,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:02:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-11-28 13:02:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 13:02:05,994 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:05,994 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:05,996 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:05,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:05,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1111290271, now seen corresponding path program 1 times [2018-11-28 13:02:05,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:05,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:05,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:05,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:02:06,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:06,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:02:06,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:02:06,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:02:06,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:02:06,097 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-11-28 13:02:06,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:06,202 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-11-28 13:02:06,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:02:06,203 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-11-28 13:02:06,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:06,205 INFO L225 Difference]: With dead ends: 564 [2018-11-28 13:02:06,205 INFO L226 Difference]: Without dead ends: 379 [2018-11-28 13:02:06,206 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 [2018-11-28 13:02:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-28 13:02:06,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-11-28 13:02:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-28 13:02:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2018-11-28 13:02:06,231 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2018-11-28 13:02:06,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:06,232 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2018-11-28 13:02:06,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:02:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2018-11-28 13:02:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 13:02:06,233 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:06,233 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:06,233 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:06,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:06,233 INFO L82 PathProgramCache]: Analyzing trace with hash -523312547, now seen corresponding path program 1 times [2018-11-28 13:02:06,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:06,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:06,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:06,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:06,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:02:06,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:06,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:02:06,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:02:06,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:02:06,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:02:06,313 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2018-11-28 13:02:06,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:06,741 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2018-11-28 13:02:06,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:02:06,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-28 13:02:06,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:06,743 INFO L225 Difference]: With dead ends: 406 [2018-11-28 13:02:06,743 INFO L226 Difference]: Without dead ends: 403 [2018-11-28 13:02:06,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:02:06,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-28 13:02:06,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2018-11-28 13:02:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-28 13:02:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-11-28 13:02:06,767 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2018-11-28 13:02:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:06,767 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-11-28 13:02:06,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:02:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-11-28 13:02:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 13:02:06,768 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:06,769 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] [2018-11-28 13:02:06,769 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:06,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:06,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1504884770, now seen corresponding path program 1 times [2018-11-28 13:02:06,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:06,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:06,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:06,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:06,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:02:06,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:06,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:02:06,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:02:06,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:02:06,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:02:06,824 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2018-11-28 13:02:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:06,871 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2018-11-28 13:02:06,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:02:06,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-28 13:02:06,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:06,873 INFO L225 Difference]: With dead ends: 736 [2018-11-28 13:02:06,873 INFO L226 Difference]: Without dead ends: 387 [2018-11-28 13:02:06,874 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 [2018-11-28 13:02:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-28 13:02:06,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-28 13:02:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-28 13:02:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-11-28 13:02:06,893 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2018-11-28 13:02:06,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:06,894 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-11-28 13:02:06,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:02:06,894 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-11-28 13:02:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 13:02:06,895 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:06,895 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] [2018-11-28 13:02:06,896 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:06,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:06,896 INFO L82 PathProgramCache]: Analyzing trace with hash -611398432, now seen corresponding path program 1 times [2018-11-28 13:02:06,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:06,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:06,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:06,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:06,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:02:06,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:06,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:02:06,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:02:06,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:02:06,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:02:06,972 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2018-11-28 13:02:07,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:07,009 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2018-11-28 13:02:07,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:02:07,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-28 13:02:07,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:07,011 INFO L225 Difference]: With dead ends: 756 [2018-11-28 13:02:07,012 INFO L226 Difference]: Without dead ends: 397 [2018-11-28 13:02:07,013 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 [2018-11-28 13:02:07,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-11-28 13:02:07,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-11-28 13:02:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-11-28 13:02:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2018-11-28 13:02:07,031 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2018-11-28 13:02:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:07,032 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2018-11-28 13:02:07,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:02:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2018-11-28 13:02:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 13:02:07,033 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:07,033 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] [2018-11-28 13:02:07,033 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:07,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:07,034 INFO L82 PathProgramCache]: Analyzing trace with hash -619157791, now seen corresponding path program 1 times [2018-11-28 13:02:07,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:07,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:07,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:07,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:07,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:02:07,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:07,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:02:07,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:02:07,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:02:07,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:02:07,134 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2018-11-28 13:02:07,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:07,274 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2018-11-28 13:02:07,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:02:07,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-28 13:02:07,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:07,278 INFO L225 Difference]: With dead ends: 1153 [2018-11-28 13:02:07,278 INFO L226 Difference]: Without dead ends: 786 [2018-11-28 13:02:07,280 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 [2018-11-28 13:02:07,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-11-28 13:02:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2018-11-28 13:02:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-28 13:02:07,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2018-11-28 13:02:07,321 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2018-11-28 13:02:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:07,321 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2018-11-28 13:02:07,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:02:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2018-11-28 13:02:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-28 13:02:07,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:07,323 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] [2018-11-28 13:02:07,323 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:07,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:07,323 INFO L82 PathProgramCache]: Analyzing trace with hash 440304635, now seen corresponding path program 1 times [2018-11-28 13:02:07,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:07,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:07,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:07,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:07,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:02:07,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:07,417 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/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 [2018-11-28 13:02:07,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:07,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:02:07,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:02:07,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 13:02:07,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 13:02:07,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 13:02:07,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:02:07,723 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 19 states. [2018-11-28 13:02:08,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:08,372 INFO L93 Difference]: Finished difference Result 1488 states and 1759 transitions. [2018-11-28 13:02:08,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 13:02:08,373 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2018-11-28 13:02:08,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:08,376 INFO L225 Difference]: With dead ends: 1488 [2018-11-28 13:02:08,376 INFO L226 Difference]: Without dead ends: 741 [2018-11-28 13:02:08,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 13:02:08,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-28 13:02:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2018-11-28 13:02:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-11-28 13:02:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 852 transitions. [2018-11-28 13:02:08,423 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 852 transitions. Word has length 102 [2018-11-28 13:02:08,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:08,423 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 852 transitions. [2018-11-28 13:02:08,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 13:02:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 852 transitions. [2018-11-28 13:02:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 13:02:08,426 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:08,426 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-28 13:02:08,426 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:08,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:08,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1904471733, now seen corresponding path program 1 times [2018-11-28 13:02:08,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:08,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:08,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:08,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:08,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 13:02:08,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:08,532 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/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 [2018-11-28 13:02:08,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:08,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:02:08,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:02:08,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-28 13:02:08,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:02:08,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:02:08,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:02:08,732 INFO L87 Difference]: Start difference. First operand 741 states and 852 transitions. Second operand 14 states. [2018-11-28 13:02:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:09,618 INFO L93 Difference]: Finished difference Result 2227 states and 2899 transitions. [2018-11-28 13:02:09,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 13:02:09,619 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-11-28 13:02:09,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:09,623 INFO L225 Difference]: With dead ends: 2227 [2018-11-28 13:02:09,623 INFO L226 Difference]: Without dead ends: 1630 [2018-11-28 13:02:09,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-28 13:02:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2018-11-28 13:02:09,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1397. [2018-11-28 13:02:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1397 states. [2018-11-28 13:02:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1625 transitions. [2018-11-28 13:02:09,672 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1625 transitions. Word has length 155 [2018-11-28 13:02:09,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:09,672 INFO L480 AbstractCegarLoop]: Abstraction has 1397 states and 1625 transitions. [2018-11-28 13:02:09,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:02:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1625 transitions. [2018-11-28 13:02:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 13:02:09,674 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:09,674 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-11-28 13:02:09,675 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:09,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:09,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1629712119, now seen corresponding path program 1 times [2018-11-28 13:02:09,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:09,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:09,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:09,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:09,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 13:02:09,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:09,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 13:02:09,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:02:09,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:02:09,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:02:09,764 INFO L87 Difference]: Start difference. First operand 1397 states and 1625 transitions. Second operand 9 states. [2018-11-28 13:02:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:09,805 INFO L93 Difference]: Finished difference Result 1783 states and 2075 transitions. [2018-11-28 13:02:09,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:02:09,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-28 13:02:09,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:09,806 INFO L225 Difference]: With dead ends: 1783 [2018-11-28 13:02:09,806 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:02:09,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:02:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:02:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:02:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:02:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:02:09,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-28 13:02:09,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:09,809 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:02:09,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:02:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:02:09,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:02:09,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:02:09,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:09,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:10,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:10,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:10,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:10,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:10,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:10,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:10,608 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-11-28 13:02:10,936 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2018-11-28 13:02:11,198 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-28 13:02:11,782 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2018-11-28 13:02:12,167 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-11-28 13:02:12,167 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-11-28 13:02:12,167 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-11-28 13:02:12,167 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-11-28 13:02:12,167 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-11-28 13:02:12,168 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,168 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-11-28 13:02:12,168 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,168 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,168 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-11-28 13:02:12,168 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-11-28 13:02:12,168 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-11-28 13:02:12,168 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-11-28 13:02:12,168 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,168 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,169 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L451 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-28 13:02:12,169 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-11-28 13:02:12,169 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L451 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-11-28 13:02:12,170 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-11-28 13:02:12,170 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-11-28 13:02:12,170 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-11-28 13:02:12,171 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-11-28 13:02:12,171 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (= ~waterLevel~0 1)) .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or (or (< ~waterLevel~0 2) .cse3 .cse5) .cse4))) [2018-11-28 13:02:12,171 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-11-28 13:02:12,171 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-28 13:02:12,171 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 13:02:12,171 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,171 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-11-28 13:02:12,171 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,171 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-28 13:02:12,171 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-11-28 13:02:12,172 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-11-28 13:02:12,172 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-11-28 13:02:12,172 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,172 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-11-28 13:02:12,172 INFO L444 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:02:12,172 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-11-28 13:02:12,172 INFO L444 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:02:12,172 INFO L448 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-11-28 13:02:12,172 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-11-28 13:02:12,172 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:02:12,172 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:02:12,173 INFO L444 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-11-28 13:02:12,173 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-11-28 13:02:12,173 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,174 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-11-28 13:02:12,174 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-28 13:02:12,174 INFO L448 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 (or (< ~waterLevel~0 2) .cse2 .cse3)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse2))) [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-11-28 13:02:12,175 INFO L451 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L451 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-11-28 13:02:12,175 INFO L448 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-11-28 13:02:12,175 INFO L451 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2018-11-28 13:02:12,176 INFO L451 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-11-28 13:02:12,176 INFO L448 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-11-28 13:02:12,176 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or (or .cse4 .cse3 .cse5) .cse6) (or .cse1 (and .cse2 .cse7) .cse3 .cse8 .cse5) (or (or .cse1 .cse4 .cse3 .cse5) .cse2) (or .cse0 .cse1 .cse7 .cse3 .cse8) (or (or .cse0 .cse4 .cse3) .cse6)))) [2018-11-28 13:02:12,176 INFO L444 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~systemActive~0 1))) (let ((.cse0 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9 .cse10)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse10)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse0 (< |old(~waterLevel~0)| 1) .cse4 .cse5) (or .cse8 .cse7 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) (or (and .cse1 .cse9) (or .cse8 .cse3 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2))))) [2018-11-28 13:02:12,176 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse0 .cse3 .cse6) (or .cse5 .cse0 .cse3 .cse6 .cse4))) [2018-11-28 13:02:12,176 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-11-28 13:02:12,176 INFO L448 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-11-28 13:02:12,176 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-11-28 13:02:12,176 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-11-28 13:02:12,176 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-28 13:02:12,177 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-11-28 13:02:12,177 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:02:12,177 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)) [2018-11-28 13:02:12,177 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:02:12,177 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 13:02:12,177 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-11-28 13:02:12,178 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,178 INFO L448 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-11-28 13:02:12,178 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 13:02:12,178 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,178 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-11-28 13:02:12,178 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 13:02:12,178 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-28 13:02:12,178 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-11-28 13:02:12,178 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-11-28 13:02:12,178 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-11-28 13:02:12,178 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or .cse1 .cse3)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse2 .cse3 .cse5) (or .cse2 .cse6 (< |old(~waterLevel~0)| 1) .cse5) (or .cse0 .cse6 .cse4 .cse2)))) [2018-11-28 13:02:12,178 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-28 13:02:12,179 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-28 13:02:12,179 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-28 13:02:12,179 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-28 13:02:12,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:02:12 BoogieIcfgContainer [2018-11-28 13:02:12,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:02:12,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:02:12,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:02:12,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:02:12,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:02:04" (3/4) ... [2018-11-28 13:02:12,193 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:02:12,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:02:12,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:02:12,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:02:12,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:02:12,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:02:12,201 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 13:02:12,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 13:02:12,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 13:02:12,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:02:12,214 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 13:02:12,214 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:02:12,214 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:02:12,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:02:12,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:02:12,263 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dc04cb06-0bdd-4b83-8ad5-a2b5aacfe44c/bin-2019/uautomizer/witness.graphml [2018-11-28 13:02:12,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:02:12,264 INFO L168 Benchmark]: Toolchain (without parser) took 8319.69 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -273.6 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:12,265 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:12,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:12,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:12,265 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:12,266 INFO L168 Benchmark]: RCFGBuilder took 429.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:12,266 INFO L168 Benchmark]: TraceAbstraction took 7431.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -166.1 MB). Peak memory consumption was 341.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:12,266 INFO L168 Benchmark]: Witness Printer took 74.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:12,267 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.76 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 429.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7431.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -166.1 MB). Peak memory consumption was 341.3 MB. Max. memory is 11.5 GB. * Witness Printer took 74.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 7.3s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2150 SDtfs, 1787 SDslu, 6673 SDs, 0 SdLazy, 3691 SolverSat, 708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 301 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1397occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 312 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1979 PreInvPairs, 2048 NumberOfFragments, 1918 HoareAnnotationTreeSize, 1979 FomulaSimplifications, 5671 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7049 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1331 NumberOfCodeBlocks, 1331 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 238300 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1597 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 111/117 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...