./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product37_false-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_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/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 a4cdc62a5b5efdfba89a3280823bf73bd08d347a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:55:21,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:55:21,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:55:21,223 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:55:21,224 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:55:21,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:55:21,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:55:21,227 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:55:21,228 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:55:21,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:55:21,230 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:55:21,230 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:55:21,231 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:55:21,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:55:21,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:55:21,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:55:21,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:55:21,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:55:21,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:55:21,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:55:21,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:55:21,239 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:55:21,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:55:21,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:55:21,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:55:21,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:55:21,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:55:21,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:55:21,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:55:21,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:55:21,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:55:21,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:55:21,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:55:21,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:55:21,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:55:21,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:55:21,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:55:21,258 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:55:21,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:55:21,259 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:55:21,259 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:55:21,260 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:55:21,260 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:55:21,260 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:55:21,260 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:55:21,261 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:55:21,261 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:55:21,261 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:55:21,261 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:55:21,261 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:55:21,261 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:55:21,261 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:55:21,262 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:55:21,262 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:55:21,262 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:55:21,262 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:55:21,262 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:55:21,262 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:55:21,262 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:55:21,263 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:55:21,263 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:55:21,263 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:55:21,263 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:55:21,263 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:55:21,263 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:55:21,263 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:55:21,263 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:55:21,264 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_47b48b87-b85a-4581-ab05-098e26df2cbc/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 -> a4cdc62a5b5efdfba89a3280823bf73bd08d347a [2018-11-28 11:55:21,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:55:21,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:55:21,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:55:21,302 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:55:21,302 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:55:21,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product37_false-unreach-call_false-termination.cil.c [2018-11-28 11:55:21,345 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/data/e09ea8916/6280ca8e17454d9f84d93a2b321dbf6a/FLAGf85aac750 [2018-11-28 11:55:21,725 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:55:21,726 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/sv-benchmarks/c/product-lines/minepump_spec1_product37_false-unreach-call_false-termination.cil.c [2018-11-28 11:55:21,732 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/data/e09ea8916/6280ca8e17454d9f84d93a2b321dbf6a/FLAGf85aac750 [2018-11-28 11:55:22,111 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/data/e09ea8916/6280ca8e17454d9f84d93a2b321dbf6a [2018-11-28 11:55:22,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:55:22,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:55:22,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:55:22,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:55:22,118 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:55:22,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,121 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 11:55:22, skipping insertion in model container [2018-11-28 11:55:22,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:55:22,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:55:22,339 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:55:22,349 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:55:22,460 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:55:22,476 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:55:22,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22 WrapperNode [2018-11-28 11:55:22,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:55:22,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:55:22,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:55:22,477 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:55:22,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:55:22,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:55:22,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:55:22,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:55:22,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... [2018-11-28 11:55:22,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:55:22,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:55:22,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:55:22,533 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:55:22,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/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 11:55:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:55:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:55:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:55:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:55:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:55:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:55:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:55:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:55:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:55:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:55:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:55:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:55:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:55:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:55:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:55:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:55:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:55:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:55:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:55:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:55:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:55:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:55:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:55:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:55:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:55:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:55:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:55:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:55:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:55:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:55:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:55:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:55:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:55:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:55:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:55:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:55:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:55:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:55:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:55:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:55:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:55:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:55:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:55:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:55:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:55:22,991 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:55:22,992 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:55:22,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:22 BoogieIcfgContainer [2018-11-28 11:55:22,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:55:22,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:55:22,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:55:22,996 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:55:22,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:55:22" (1/3) ... [2018-11-28 11:55:22,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b8f396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:55:22, skipping insertion in model container [2018-11-28 11:55:22,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:22" (2/3) ... [2018-11-28 11:55:22,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b8f396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:55:22, skipping insertion in model container [2018-11-28 11:55:22,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:22" (3/3) ... [2018-11-28 11:55:22,999 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product37_false-unreach-call_false-termination.cil.c [2018-11-28 11:55:23,006 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:55:23,012 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:55:23,023 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:55:23,047 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:55:23,047 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:55:23,047 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:55:23,047 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:55:23,047 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:55:23,047 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:55:23,048 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:55:23,048 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:55:23,048 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:55:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-28 11:55:23,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 11:55:23,071 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:23,072 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 11:55:23,074 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:23,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:23,078 INFO L82 PathProgramCache]: Analyzing trace with hash 930335311, now seen corresponding path program 1 times [2018-11-28 11:55:23,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:23,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:23,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:23,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:23,273 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 11:55:23,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:23,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:55:23,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:55:23,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:55:23,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:55:23,288 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-28 11:55:23,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:23,317 INFO L93 Difference]: Finished difference Result 246 states and 307 transitions. [2018-11-28 11:55:23,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:55:23,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 11:55:23,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:23,327 INFO L225 Difference]: With dead ends: 246 [2018-11-28 11:55:23,327 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 11:55:23,330 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 11:55:23,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 11:55:23,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 11:55:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 11:55:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2018-11-28 11:55:23,373 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 46 [2018-11-28 11:55:23,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:23,373 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2018-11-28 11:55:23,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:55:23,374 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-11-28 11:55:23,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 11:55:23,376 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:23,376 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 11:55:23,377 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:23,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:23,377 INFO L82 PathProgramCache]: Analyzing trace with hash -444765203, now seen corresponding path program 1 times [2018-11-28 11:55:23,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:23,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:23,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:23,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:23,461 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 11:55:23,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:23,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:55:23,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:55:23,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:55:23,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:55:23,463 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 3 states. [2018-11-28 11:55:23,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:23,482 INFO L93 Difference]: Finished difference Result 195 states and 229 transitions. [2018-11-28 11:55:23,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:55:23,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 11:55:23,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:23,484 INFO L225 Difference]: With dead ends: 195 [2018-11-28 11:55:23,484 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 11:55:23,485 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 11:55:23,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 11:55:23,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 11:55:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 11:55:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-11-28 11:55:23,495 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2018-11-28 11:55:23,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:23,495 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-11-28 11:55:23,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:55:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-11-28 11:55:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:55:23,497 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:23,497 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 11:55:23,497 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:23,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:23,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1455427203, now seen corresponding path program 1 times [2018-11-28 11:55:23,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:23,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:23,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:23,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:23,631 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 11:55:23,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:23,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:55:23,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:55:23,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:55:23,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:55:23,633 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 7 states. [2018-11-28 11:55:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:23,854 INFO L93 Difference]: Finished difference Result 204 states and 243 transitions. [2018-11-28 11:55:23,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:55:23,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 11:55:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:23,856 INFO L225 Difference]: With dead ends: 204 [2018-11-28 11:55:23,856 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 11:55:23,857 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 11:55:23,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 11:55:23,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 11:55:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 11:55:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-11-28 11:55:23,869 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 51 [2018-11-28 11:55:23,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:23,869 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-11-28 11:55:23,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:55:23,869 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-11-28 11:55:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 11:55:23,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:23,871 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 11:55:23,871 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:23,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:23,872 INFO L82 PathProgramCache]: Analyzing trace with hash -965709387, now seen corresponding path program 1 times [2018-11-28 11:55:23,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:23,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:23,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:23,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:23,994 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 11:55:23,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:23,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:55:23,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:55:23,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:55:23,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:55:23,996 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 5 states. [2018-11-28 11:55:24,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:24,416 INFO L93 Difference]: Finished difference Result 298 states and 361 transitions. [2018-11-28 11:55:24,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:55:24,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-28 11:55:24,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:24,419 INFO L225 Difference]: With dead ends: 298 [2018-11-28 11:55:24,419 INFO L226 Difference]: Without dead ends: 208 [2018-11-28 11:55:24,420 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 11:55:24,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-11-28 11:55:24,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2018-11-28 11:55:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-11-28 11:55:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2018-11-28 11:55:24,451 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 64 [2018-11-28 11:55:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:24,452 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2018-11-28 11:55:24,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:55:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2018-11-28 11:55:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 11:55:24,455 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:24,455 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 11:55:24,455 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:24,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:24,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1940212872, now seen corresponding path program 1 times [2018-11-28 11:55:24,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:24,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:24,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:24,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:24,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:24,551 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 11:55:24,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:24,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:55:24,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:55:24,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:55:24,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:55:24,553 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 6 states. [2018-11-28 11:55:24,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:24,732 INFO L93 Difference]: Finished difference Result 507 states and 601 transitions. [2018-11-28 11:55:24,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:55:24,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-11-28 11:55:24,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:24,736 INFO L225 Difference]: With dead ends: 507 [2018-11-28 11:55:24,736 INFO L226 Difference]: Without dead ends: 341 [2018-11-28 11:55:24,737 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 11:55:24,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-11-28 11:55:24,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 335. [2018-11-28 11:55:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-11-28 11:55:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 384 transitions. [2018-11-28 11:55:24,760 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 384 transitions. Word has length 78 [2018-11-28 11:55:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:24,760 INFO L480 AbstractCegarLoop]: Abstraction has 335 states and 384 transitions. [2018-11-28 11:55:24,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:55:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 384 transitions. [2018-11-28 11:55:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 11:55:24,762 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:24,762 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 11:55:24,762 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:24,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:24,762 INFO L82 PathProgramCache]: Analyzing trace with hash -323261260, now seen corresponding path program 1 times [2018-11-28 11:55:24,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:24,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:24,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:24,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:24,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:24,847 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 11:55:24,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:24,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:55:24,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:55:24,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:55:24,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:55:24,848 INFO L87 Difference]: Start difference. First operand 335 states and 384 transitions. Second operand 7 states. [2018-11-28 11:55:25,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:25,172 INFO L93 Difference]: Finished difference Result 368 states and 434 transitions. [2018-11-28 11:55:25,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:55:25,173 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-28 11:55:25,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:25,175 INFO L225 Difference]: With dead ends: 368 [2018-11-28 11:55:25,176 INFO L226 Difference]: Without dead ends: 365 [2018-11-28 11:55:25,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:55:25,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-11-28 11:55:25,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 335. [2018-11-28 11:55:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-11-28 11:55:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 383 transitions. [2018-11-28 11:55:25,199 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 383 transitions. Word has length 82 [2018-11-28 11:55:25,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:25,199 INFO L480 AbstractCegarLoop]: Abstraction has 335 states and 383 transitions. [2018-11-28 11:55:25,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:55:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 383 transitions. [2018-11-28 11:55:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:55:25,200 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:25,201 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, 1] [2018-11-28 11:55:25,201 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:25,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:25,201 INFO L82 PathProgramCache]: Analyzing trace with hash -48307244, now seen corresponding path program 1 times [2018-11-28 11:55:25,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:25,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:25,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:25,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:25,268 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 11:55:25,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:25,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:55:25,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:55:25,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:55:25,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:55:25,269 INFO L87 Difference]: Start difference. First operand 335 states and 383 transitions. Second operand 6 states. [2018-11-28 11:55:25,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:25,293 INFO L93 Difference]: Finished difference Result 656 states and 762 transitions. [2018-11-28 11:55:25,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:55:25,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 11:55:25,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:25,295 INFO L225 Difference]: With dead ends: 656 [2018-11-28 11:55:25,295 INFO L226 Difference]: Without dead ends: 345 [2018-11-28 11:55:25,296 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 11:55:25,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-11-28 11:55:25,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-11-28 11:55:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-11-28 11:55:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 393 transitions. [2018-11-28 11:55:25,312 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 393 transitions. Word has length 83 [2018-11-28 11:55:25,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:25,312 INFO L480 AbstractCegarLoop]: Abstraction has 345 states and 393 transitions. [2018-11-28 11:55:25,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:55:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 393 transitions. [2018-11-28 11:55:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:55:25,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:25,314 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, 1] [2018-11-28 11:55:25,314 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:25,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:25,314 INFO L82 PathProgramCache]: Analyzing trace with hash -25674990, now seen corresponding path program 1 times [2018-11-28 11:55:25,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:25,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:25,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:25,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:25,388 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 11:55:25,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:25,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:55:25,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:55:25,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:55:25,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:55:25,389 INFO L87 Difference]: Start difference. First operand 345 states and 393 transitions. Second operand 8 states. [2018-11-28 11:55:25,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:25,414 INFO L93 Difference]: Finished difference Result 680 states and 796 transitions. [2018-11-28 11:55:25,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:55:25,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-28 11:55:25,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:25,416 INFO L225 Difference]: With dead ends: 680 [2018-11-28 11:55:25,416 INFO L226 Difference]: Without dead ends: 359 [2018-11-28 11:55:25,417 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 11:55:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-28 11:55:25,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 353. [2018-11-28 11:55:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-11-28 11:55:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 401 transitions. [2018-11-28 11:55:25,432 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 401 transitions. Word has length 83 [2018-11-28 11:55:25,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:25,432 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 401 transitions. [2018-11-28 11:55:25,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:55:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 401 transitions. [2018-11-28 11:55:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:55:25,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:25,434 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, 1] [2018-11-28 11:55:25,435 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:25,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:25,435 INFO L82 PathProgramCache]: Analyzing trace with hash 999817009, now seen corresponding path program 1 times [2018-11-28 11:55:25,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:25,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:25,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:25,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:55:25,496 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 11:55:25,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:55:25,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:55:25,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:55:25,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:55:25,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:55:25,498 INFO L87 Difference]: Start difference. First operand 353 states and 401 transitions. Second operand 4 states. [2018-11-28 11:55:25,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:55:25,621 INFO L93 Difference]: Finished difference Result 1067 states and 1282 transitions. [2018-11-28 11:55:25,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:55:25,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-11-28 11:55:25,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:55:25,624 INFO L225 Difference]: With dead ends: 1067 [2018-11-28 11:55:25,624 INFO L226 Difference]: Without dead ends: 738 [2018-11-28 11:55:25,625 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 11:55:25,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2018-11-28 11:55:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 477. [2018-11-28 11:55:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-11-28 11:55:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 538 transitions. [2018-11-28 11:55:25,655 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 538 transitions. Word has length 83 [2018-11-28 11:55:25,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:55:25,655 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 538 transitions. [2018-11-28 11:55:25,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:55:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 538 transitions. [2018-11-28 11:55:25,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 11:55:25,657 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:55:25,657 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, 1, 1, 1, 1, 1] [2018-11-28 11:55:25,657 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:55:25,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:55:25,658 INFO L82 PathProgramCache]: Analyzing trace with hash -864422889, now seen corresponding path program 1 times [2018-11-28 11:55:25,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:55:25,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:55:25,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:55:25,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:55:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:55:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:55:25,747 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:55:25,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:55:25 BoogieIcfgContainer [2018-11-28 11:55:25,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:55:25,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:55:25,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:55:25,844 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:55:25,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:22" (3/4) ... [2018-11-28 11:55:25,846 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:55:25,932 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47b48b87-b85a-4581-ab05-098e26df2cbc/bin-2019/uautomizer/witness.graphml [2018-11-28 11:55:25,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:55:25,933 INFO L168 Benchmark]: Toolchain (without parser) took 3818.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.4 MB). Free memory was 949.6 MB in the beginning and 926.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 257.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:55:25,934 INFO L168 Benchmark]: CDTParser took 0.20 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 11:55:25,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:55:25,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.70 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 11:55:25,934 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:55:25,934 INFO L168 Benchmark]: RCFGBuilder took 459.23 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:55:25,935 INFO L168 Benchmark]: TraceAbstraction took 2850.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 959.3 MB in the end (delta: 121.2 MB). Peak memory consumption was 206.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:55:25,935 INFO L168 Benchmark]: Witness Printer took 88.34 ms. Allocated memory is still 1.3 GB. Free memory was 959.3 MB in the beginning and 926.1 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:55:25,936 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 361.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.70 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 28.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 459.23 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2850.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 959.3 MB in the end (delta: 121.2 MB). Peak memory consumption was 206.7 MB. Max. memory is 11.5 GB. * Witness Printer took 88.34 ms. Allocated memory is still 1.3 GB. Free memory was 959.3 MB in the beginning and 926.1 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L832] int waterLevel = 1; [L833] int methaneLevelCritical = 0; [L487] int retValue_acc ; [L488] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L492] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L493] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L494] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L574] int retValue_acc ; [L577] retValue_acc = 1 [L578] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L494] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L498] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L499] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L478] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L788] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L850] COND TRUE waterLevel < 2 [L851] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L788] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L798] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] COND FALSE !(\read(methaneLevelCritical)) [L865] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L798] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L819] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L602] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L604] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L650] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L653] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L624] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L627] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L629] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L747] int retValue_acc ; [L748] int tmp ; [L749] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L753] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L912] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L915] COND FALSE !(waterLevel < 2) [L919] retValue_acc = 0 [L920] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L753] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L753] tmp = isHighWaterSensorDry() [L755] COND FALSE !(\read(tmp)) [L758] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L760] retValue_acc = tmp___0 [L761] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L629] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L629] tmp = isHighWaterLevel() [L631] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L633] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L678] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L633] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L604] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L610] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L514] int tmp ; [L515] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L519] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L871] int retValue_acc ; [L874] retValue_acc = methaneLevelCritical [L875] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L519] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L519] tmp = isMethaneLevelCritical() [L521] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L523] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L523] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L523] tmp___0 = isPumpRunning() [L525] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L527] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L543] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 136 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1285 SDtfs, 799 SDslu, 2696 SDs, 0 SdLazy, 929 SolverSat, 257 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred in iteration=9, 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 321 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 704 NumberOfCodeBlocks, 704 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 608 ConstructedInterpolants, 0 QuantifiedInterpolants, 74237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...