./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_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_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/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 b261f373c94d4201e773fd055c7f1efffffc1032 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:36:29,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:36:29,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:36:29,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:36:29,285 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:36:29,285 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:36:29,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:36:29,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:36:29,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:36:29,289 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:36:29,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:36:29,289 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:36:29,290 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:36:29,290 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:36:29,291 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:36:29,291 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:36:29,292 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:36:29,293 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:36:29,296 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:36:29,296 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:36:29,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:36:29,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:36:29,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:36:29,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:36:29,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:36:29,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:36:29,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:36:29,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:36:29,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:36:29,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:36:29,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:36:29,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:36:29,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:36:29,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:36:29,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:36:29,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:36:29,304 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:36:29,313 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:36:29,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:36:29,314 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:36:29,314 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:36:29,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:36:29,315 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:36:29,315 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:36:29,315 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:36:29,315 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:36:29,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:36:29,316 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:36:29,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:36:29,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:36:29,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:36:29,316 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:36:29,316 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:36:29,316 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:36:29,317 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:36:29,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:36:29,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:36:29,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:36:29,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:36:29,317 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:36:29,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:36:29,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:36:29,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:36:29,318 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:36:29,318 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:36:29,318 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:36:29,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:36:29,318 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_f81905d0-0530-4586-a31e-82ce8105e25a/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2018-11-28 13:36:29,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:36:29,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:36:29,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:36:29,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:36:29,355 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:36:29,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-28 13:36:29,400 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/data/77239b318/4fc6690515be4be1ae29896edceb4b44/FLAG424ae0778 [2018-11-28 13:36:29,777 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:36:29,778 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/sv-benchmarks/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-28 13:36:29,787 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/data/77239b318/4fc6690515be4be1ae29896edceb4b44/FLAG424ae0778 [2018-11-28 13:36:30,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/data/77239b318/4fc6690515be4be1ae29896edceb4b44 [2018-11-28 13:36:30,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:36:30,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:36:30,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:36:30,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:36:30,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:36:30,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f17983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30, skipping insertion in model container [2018-11-28 13:36:30,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:36:30,205 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:36:30,384 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:36:30,394 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:36:30,500 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:36:30,516 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:36:30,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30 WrapperNode [2018-11-28 13:36:30,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:36:30,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:36:30,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:36:30,517 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:36:30,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:36:30,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:36:30,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:36:30,540 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:36:30,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... [2018-11-28 13:36:30,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:36:30,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:36:30,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:36:30,562 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:36:30,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/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 13:36:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:36:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:36:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:36:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:36:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:36:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:36:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:36:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:36:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:36:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:36:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:36:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:36:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:36:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:36:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:36:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:36:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:36:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:36:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:36:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:36:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:36:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:36:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:36:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:36:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:36:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:36:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:36:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:36:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:36:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:36:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:36:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:36:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:36:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:36:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:36:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:36:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:36:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:36:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:36:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:36:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:36:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:36:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:36:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:36:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:36:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:36:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:36:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:36:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:36:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:36:30,977 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:36:30,977 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:36:30,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:30 BoogieIcfgContainer [2018-11-28 13:36:30,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:36:30,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:36:30,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:36:30,981 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:36:30,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:36:30" (1/3) ... [2018-11-28 13:36:30,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e92ba9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:36:30, skipping insertion in model container [2018-11-28 13:36:30,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:30" (2/3) ... [2018-11-28 13:36:30,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e92ba9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:36:30, skipping insertion in model container [2018-11-28 13:36:30,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:30" (3/3) ... [2018-11-28 13:36:30,986 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-11-28 13:36:30,994 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:36:31,000 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:36:31,013 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:36:31,031 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:36:31,032 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:36:31,032 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:36:31,032 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:36:31,032 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:36:31,032 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:36:31,033 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:36:31,033 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:36:31,033 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:36:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-28 13:36:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:36:31,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:31,056 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 13:36:31,057 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:36:31,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:31,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1470272802, now seen corresponding path program 1 times [2018-11-28 13:36:31,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:31,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:31,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:31,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:31,245 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 13:36:31,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:31,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:36:31,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:36:31,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:36:31,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:36:31,259 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-28 13:36:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:31,284 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2018-11-28 13:36:31,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:36:31,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:36:31,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:31,293 INFO L225 Difference]: With dead ends: 212 [2018-11-28 13:36:31,293 INFO L226 Difference]: Without dead ends: 106 [2018-11-28 13:36:31,296 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 13:36:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-28 13:36:31,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-28 13:36:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-28 13:36:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-11-28 13:36:31,331 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2018-11-28 13:36:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:31,332 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-11-28 13:36:31,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:36:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-11-28 13:36:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:36:31,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:31,334 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 13:36:31,334 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:36:31,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:31,335 INFO L82 PathProgramCache]: Analyzing trace with hash -444386040, now seen corresponding path program 1 times [2018-11-28 13:36:31,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:31,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:31,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:31,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:31,416 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 13:36:31,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:31,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:36:31,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:36:31,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:36:31,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:36:31,419 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2018-11-28 13:36:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:31,435 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2018-11-28 13:36:31,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:36:31,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:36:31,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:31,438 INFO L225 Difference]: With dead ends: 157 [2018-11-28 13:36:31,438 INFO L226 Difference]: Without dead ends: 97 [2018-11-28 13:36:31,439 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 13:36:31,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-28 13:36:31,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-28 13:36:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-28 13:36:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2018-11-28 13:36:31,448 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2018-11-28 13:36:31,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:31,448 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2018-11-28 13:36:31,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:36:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2018-11-28 13:36:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:36:31,450 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:31,450 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:31,450 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:36:31,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:31,450 INFO L82 PathProgramCache]: Analyzing trace with hash -780536263, now seen corresponding path program 1 times [2018-11-28 13:36:31,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:31,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:31,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:31,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:31,539 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 13:36:31,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:31,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:36:31,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:36:31,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:36:31,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:36:31,540 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 3 states. [2018-11-28 13:36:31,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:31,557 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2018-11-28 13:36:31,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:36:31,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 13:36:31,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:31,558 INFO L225 Difference]: With dead ends: 170 [2018-11-28 13:36:31,558 INFO L226 Difference]: Without dead ends: 97 [2018-11-28 13:36:31,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:36:31,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-28 13:36:31,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-28 13:36:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-28 13:36:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2018-11-28 13:36:31,567 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2018-11-28 13:36:31,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:31,568 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2018-11-28 13:36:31,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:36:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2018-11-28 13:36:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 13:36:31,569 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:31,569 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] [2018-11-28 13:36:31,569 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:36:31,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1024878044, now seen corresponding path program 1 times [2018-11-28 13:36:31,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:31,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:31,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:31,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:31,764 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 13:36:31,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:31,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:36:31,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:36:31,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:36:31,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:36:31,765 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2018-11-28 13:36:32,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:32,105 INFO L93 Difference]: Finished difference Result 296 states and 357 transitions. [2018-11-28 13:36:32,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:36:32,105 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-28 13:36:32,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:32,108 INFO L225 Difference]: With dead ends: 296 [2018-11-28 13:36:32,109 INFO L226 Difference]: Without dead ends: 223 [2018-11-28 13:36:32,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:36:32,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-28 13:36:32,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2018-11-28 13:36:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-28 13:36:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2018-11-28 13:36:32,134 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2018-11-28 13:36:32,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:32,135 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2018-11-28 13:36:32,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:36:32,135 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2018-11-28 13:36:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-28 13:36:32,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:32,137 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] [2018-11-28 13:36:32,137 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:36:32,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:32,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2102975492, now seen corresponding path program 1 times [2018-11-28 13:36:32,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:32,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:32,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:32,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:32,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:32,202 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 13:36:32,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:32,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:36:32,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:36:32,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:36:32,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:36:32,203 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2018-11-28 13:36:32,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:32,219 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-11-28 13:36:32,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:36:32,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-28 13:36:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:32,222 INFO L225 Difference]: With dead ends: 356 [2018-11-28 13:36:32,222 INFO L226 Difference]: Without dead ends: 161 [2018-11-28 13:36:32,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 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 13:36:32,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-28 13:36:32,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-28 13:36:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-28 13:36:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2018-11-28 13:36:32,236 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 68 [2018-11-28 13:36:32,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:32,237 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2018-11-28 13:36:32,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:36:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2018-11-28 13:36:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 13:36:32,239 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:32,239 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 13:36:32,239 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:36:32,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:32,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1619105206, now seen corresponding path program 1 times [2018-11-28 13:36:32,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:32,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:32,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:32,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:32,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 13:36:32,352 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:36:32,352 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/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 13:36:32,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:32,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:36:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:36:32,560 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:36:32,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 13:36:32,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:36:32,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:36:32,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:36:32,561 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 12 states. [2018-11-28 13:36:32,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:32,882 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2018-11-28 13:36:32,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:36:32,883 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2018-11-28 13:36:32,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:32,883 INFO L225 Difference]: With dead ends: 207 [2018-11-28 13:36:32,883 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:36:32,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:36:32,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:36:32,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:36:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:36:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:36:32,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-28 13:36:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:32,885 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:36:32,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:36:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:36:32,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:36:32,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:36:33,753 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2018-11-28 13:36:33,753 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2018-11-28 13:36:33,753 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2018-11-28 13:36:33,753 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:36:33,753 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-11-28 13:36:33,753 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2018-11-28 13:36:33,753 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:36:33,754 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:36:33,754 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:36:33,754 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-11-28 13:36:33,754 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:36:33,754 INFO L448 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-11-28 13:36:33,754 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-11-28 13:36:33,754 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2018-11-28 13:36:33,755 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2018-11-28 13:36:33,756 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-11-28 13:36:33,756 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-11-28 13:36:33,756 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2018-11-28 13:36:33,756 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2018-11-28 13:36:33,756 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2018-11-28 13:36:33,756 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2018-11-28 13:36:33,756 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,756 INFO L444 ceAbstractionStarter]: At program point L448-2(lines 440 453) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,756 INFO L448 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2018-11-28 13:36:33,756 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,757 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2018-11-28 13:36:33,757 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2018-11-28 13:36:33,757 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,757 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-11-28 13:36:33,757 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-11-28 13:36:33,757 INFO L444 ceAbstractionStarter]: At program point L455(lines 410 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,757 INFO L444 ceAbstractionStarter]: At program point L422(line 422) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,757 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-11-28 13:36:33,757 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2018-11-28 13:36:33,757 INFO L448 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2018-11-28 13:36:33,757 INFO L444 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,758 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2018-11-28 13:36:33,758 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2018-11-28 13:36:33,758 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2018-11-28 13:36:33,758 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2018-11-28 13:36:33,758 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-11-28 13:36:33,758 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2018-11-28 13:36:33,758 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-28 13:36:33,758 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2018-11-28 13:36:33,758 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2018-11-28 13:36:33,758 INFO L451 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2018-11-28 13:36:33,759 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-11-28 13:36:33,759 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 13:36:33,759 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 13:36:33,759 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,759 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,759 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,759 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,759 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 13:36:33,759 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 13:36:33,759 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~0 ~waterLevel~0))) [2018-11-28 13:36:33,760 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0)) (= main_~tmp~0 ~waterLevel~0))) [2018-11-28 13:36:33,760 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 13:36:33,760 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2018-11-28 13:36:33,760 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2018-11-28 13:36:33,760 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2018-11-28 13:36:33,760 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:36:33,760 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 13:36:33,760 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:36:33,760 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2018-11-28 13:36:33,760 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2018-11-28 13:36:33,760 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2018-11-28 13:36:33,761 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2018-11-28 13:36:33,761 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2018-11-28 13:36:33,761 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2018-11-28 13:36:33,761 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2018-11-28 13:36:33,761 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2018-11-28 13:36:33,761 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2018-11-28 13:36:33,761 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse1 (and .cse0 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:36:33,761 INFO L444 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse1 (and .cse0 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:36:33,761 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse1 (and .cse0 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:36:33,762 INFO L444 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2018-11-28 13:36:33,764 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-11-28 13:36:33,764 INFO L448 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-11-28 13:36:33,764 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-11-28 13:36:33,765 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 13:36:33,765 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 13:36:33,765 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 13:36:33,765 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 13:36:33,765 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 13:36:33,765 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 13:36:33,765 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 13:36:33,765 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 13:36:33,765 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 13:36:33,765 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 13:36:33,765 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2018-11-28 13:36:33,766 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2018-11-28 13:36:33,766 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2018-11-28 13:36:33,766 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2018-11-28 13:36:33,766 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2018-11-28 13:36:33,766 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 13:36:33,766 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 13:36:33,766 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:36:33,766 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-11-28 13:36:33,766 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:36:33,766 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:36:33,766 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2018-11-28 13:36:33,767 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 .cse2 (< ~waterLevel~0 2)))) [2018-11-28 13:36:33,767 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2018-11-28 13:36:33,767 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2018-11-28 13:36:33,767 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2018-11-28 13:36:33,767 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:36:33,767 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2018-11-28 13:36:33,767 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2018-11-28 13:36:33,767 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2018-11-28 13:36:33,767 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2018-11-28 13:36:33,767 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:36:33,768 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 13:36:33,768 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 13:36:33,768 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2018-11-28 13:36:33,768 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2018-11-28 13:36:33,768 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2018-11-28 13:36:33,768 INFO L451 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2018-11-28 13:36:33,768 INFO L448 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2018-11-28 13:36:33,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:36:33 BoogieIcfgContainer [2018-11-28 13:36:33,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:36:33,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:36:33,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:36:33,786 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:36:33,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:30" (3/4) ... [2018-11-28 13:36:33,789 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:36:33,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:36:33,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:36:33,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:36:33,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:36:33,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:36:33,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:36:33,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:36:33,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:36:33,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 13:36:33,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:36:33,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:36:33,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:36:33,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:36:33,803 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 13:36:33,803 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:36:33,803 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:36:33,804 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:36:33,804 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:36:33,804 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:36:33,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-28 13:36:33,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-28 13:36:33,850 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f81905d0-0530-4586-a31e-82ce8105e25a/bin-2019/uautomizer/witness.graphml [2018-11-28 13:36:33,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:36:33,851 INFO L168 Benchmark]: Toolchain (without parser) took 3682.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:33,852 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 13:36:33,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:33,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.26 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 13:36:33,853 INFO L168 Benchmark]: Boogie Preprocessor took 22.61 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 13:36:33,853 INFO L168 Benchmark]: RCFGBuilder took 415.80 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:33,853 INFO L168 Benchmark]: TraceAbstraction took 2807.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -30.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:33,854 INFO L168 Benchmark]: Witness Printer took 64.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:33,855 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 347.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.26 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. * Boogie Preprocessor took 22.61 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 415.80 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2807.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -30.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. * Witness Printer took 64.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 119 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 653 SDtfs, 474 SDslu, 1079 SDs, 0 SdLazy, 712 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 290 PreInvPairs, 305 NumberOfFragments, 765 HoareAnnotationTreeSize, 290 FomulaSimplifications, 23 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1103 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 70069 SizeOfPredicates, 3 NumberOfNonLiveVariables, 746 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 58/64 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...