./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55_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_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/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 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:49:14,504 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:49:14,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:49:14,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:49:14,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:49:14,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:49:14,516 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:49:14,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:49:14,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:49:14,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:49:14,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:49:14,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:49:14,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:49:14,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:49:14,522 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:49:14,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:49:14,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:49:14,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:49:14,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:49:14,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:49:14,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:49:14,529 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:49:14,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:49:14,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:49:14,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:49:14,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:49:14,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:49:14,533 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:49:14,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:49:14,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:49:14,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:49:14,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:49:14,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:49:14,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:49:14,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:49:14,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:49:14,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:49:14,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:49:14,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:49:14,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:49:14,547 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:49:14,548 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:49:14,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:49:14,548 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:49:14,548 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:49:14,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:49:14,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:49:14,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:49:14,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:49:14,549 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:49:14,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:49:14,550 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:49:14,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:49:14,550 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:49:14,550 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:49:14,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:49:14,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:49:14,551 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:49:14,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:49:14,551 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:49:14,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:49:14,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:49:14,551 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:49:14,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:49:14,552 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:49:14,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:49:14,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:49:14,552 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_fe15fb30-dd14-45f1-bab6-68cfea9c8971/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 -> 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 [2018-11-28 12:49:14,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:49:14,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:49:14,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:49:14,591 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:49:14,591 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:49:14,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2018-11-28 12:49:14,636 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/data/664384d16/107a4510b28245569e6c8b9cefdcbe99/FLAGb12a73f3b [2018-11-28 12:49:15,029 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:49:15,030 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/sv-benchmarks/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2018-11-28 12:49:15,047 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/data/664384d16/107a4510b28245569e6c8b9cefdcbe99/FLAGb12a73f3b [2018-11-28 12:49:15,409 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/data/664384d16/107a4510b28245569e6c8b9cefdcbe99 [2018-11-28 12:49:15,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:49:15,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:49:15,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:49:15,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:49:15,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:49:15,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fd5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15, skipping insertion in model container [2018-11-28 12:49:15,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:49:15,457 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:49:15,666 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:49:15,675 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:49:15,780 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:49:15,799 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:49:15,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15 WrapperNode [2018-11-28 12:49:15,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:49:15,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:49:15,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:49:15,800 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:49:15,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:49:15,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:49:15,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:49:15,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:49:15,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... [2018-11-28 12:49:15,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:49:15,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:49:15,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:49:15,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:49:15,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/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 12:49:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:49:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:49:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:49:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:49:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:49:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:49:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:49:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:49:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:49:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:49:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:49:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:49:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:49:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:49:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:49:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:49:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:49:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:49:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:49:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:49:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:49:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:49:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:49:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:49:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:49:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:49:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:49:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:49:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:49:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:49:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:49:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:49:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:49:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:49:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:49:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:49:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:49:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:49:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:49:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:49:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:49:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:49:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:49:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:49:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:49:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:49:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:49:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:49:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:49:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:49:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:49:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:49:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:49:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:49:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:49:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:49:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:49:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:49:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:49:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:49:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:49:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:49:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:49:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:49:16,328 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:49:16,329 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:49:16,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:16 BoogieIcfgContainer [2018-11-28 12:49:16,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:49:16,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:49:16,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:49:16,333 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:49:16,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:49:15" (1/3) ... [2018-11-28 12:49:16,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0bb3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:49:16, skipping insertion in model container [2018-11-28 12:49:16,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:15" (2/3) ... [2018-11-28 12:49:16,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0bb3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:49:16, skipping insertion in model container [2018-11-28 12:49:16,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:16" (3/3) ... [2018-11-28 12:49:16,336 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2018-11-28 12:49:16,345 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:49:16,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:49:16,366 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:49:16,393 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:49:16,393 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:49:16,394 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:49:16,394 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:49:16,394 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:49:16,394 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:49:16,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:49:16,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:49:16,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:49:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-11-28 12:49:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:49:16,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:16,422 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 12:49:16,424 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:16,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:16,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1798098618, now seen corresponding path program 1 times [2018-11-28 12:49:16,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:16,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:16,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:16,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:16,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:16,642 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 12:49:16,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:16,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:49:16,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:49:16,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:49:16,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:49:16,659 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-11-28 12:49:16,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:16,688 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2018-11-28 12:49:16,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:49:16,689 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:49:16,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:16,697 INFO L225 Difference]: With dead ends: 304 [2018-11-28 12:49:16,697 INFO L226 Difference]: Without dead ends: 152 [2018-11-28 12:49:16,700 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 12:49:16,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-28 12:49:16,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-28 12:49:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-28 12:49:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-11-28 12:49:16,743 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 46 [2018-11-28 12:49:16,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:16,744 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-11-28 12:49:16,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:49:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-11-28 12:49:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:49:16,746 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:16,746 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 12:49:16,747 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:16,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:16,747 INFO L82 PathProgramCache]: Analyzing trace with hash -86368443, now seen corresponding path program 1 times [2018-11-28 12:49:16,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:16,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:16,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:16,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:16,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:16,838 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 12:49:16,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:16,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:49:16,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:49:16,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:49:16,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:49:16,841 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-11-28 12:49:16,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:16,863 INFO L93 Difference]: Finished difference Result 247 states and 291 transitions. [2018-11-28 12:49:16,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:49:16,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:49:16,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:16,865 INFO L225 Difference]: With dead ends: 247 [2018-11-28 12:49:16,865 INFO L226 Difference]: Without dead ends: 143 [2018-11-28 12:49:16,866 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 12:49:16,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-28 12:49:16,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-28 12:49:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-28 12:49:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-11-28 12:49:16,880 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 47 [2018-11-28 12:49:16,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:16,880 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-11-28 12:49:16,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:49:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-11-28 12:49:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:49:16,882 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:16,882 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 12:49:16,882 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:16,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:16,882 INFO L82 PathProgramCache]: Analyzing trace with hash 458826405, now seen corresponding path program 1 times [2018-11-28 12:49:16,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:16,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:16,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:16,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:16,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:16,990 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 12:49:16,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:16,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:49:16,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:49:16,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:49:16,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:49:16,991 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-11-28 12:49:17,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:17,317 INFO L93 Difference]: Finished difference Result 431 states and 522 transitions. [2018-11-28 12:49:17,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:49:17,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 12:49:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:17,321 INFO L225 Difference]: With dead ends: 431 [2018-11-28 12:49:17,321 INFO L226 Difference]: Without dead ends: 312 [2018-11-28 12:49:17,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:49:17,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-11-28 12:49:17,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2018-11-28 12:49:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-11-28 12:49:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2018-11-28 12:49:17,358 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 51 [2018-11-28 12:49:17,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:17,358 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2018-11-28 12:49:17,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:49:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2018-11-28 12:49:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:49:17,361 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:17,361 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:17,363 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:17,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:17,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1526064902, now seen corresponding path program 1 times [2018-11-28 12:49:17,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:17,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:17,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:17,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:17,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:17,478 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 12:49:17,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:17,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:49:17,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:49:17,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:49:17,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:49:17,479 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand 10 states. [2018-11-28 12:49:17,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:17,915 INFO L93 Difference]: Finished difference Result 1096 states and 1428 transitions. [2018-11-28 12:49:17,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:49:17,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 12:49:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:17,921 INFO L225 Difference]: With dead ends: 1096 [2018-11-28 12:49:17,921 INFO L226 Difference]: Without dead ends: 816 [2018-11-28 12:49:17,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:49:17,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2018-11-28 12:49:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 804. [2018-11-28 12:49:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-28 12:49:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1012 transitions. [2018-11-28 12:49:17,976 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1012 transitions. Word has length 57 [2018-11-28 12:49:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:17,977 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1012 transitions. [2018-11-28 12:49:17,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:49:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1012 transitions. [2018-11-28 12:49:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 12:49:17,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:17,980 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:17,980 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:17,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:17,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1633146220, now seen corresponding path program 1 times [2018-11-28 12:49:17,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:17,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:17,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:17,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:17,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:18,043 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 12:49:18,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:49:18,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:49:18,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:49:18,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:49:18,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:49:18,044 INFO L87 Difference]: Start difference. First operand 804 states and 1012 transitions. Second operand 4 states. [2018-11-28 12:49:18,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:18,270 INFO L93 Difference]: Finished difference Result 1972 states and 2707 transitions. [2018-11-28 12:49:18,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:49:18,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 12:49:18,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:18,277 INFO L225 Difference]: With dead ends: 1972 [2018-11-28 12:49:18,277 INFO L226 Difference]: Without dead ends: 1192 [2018-11-28 12:49:18,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:49:18,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-11-28 12:49:18,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1057. [2018-11-28 12:49:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2018-11-28 12:49:18,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1336 transitions. [2018-11-28 12:49:18,330 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1336 transitions. Word has length 61 [2018-11-28 12:49:18,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:18,330 INFO L480 AbstractCegarLoop]: Abstraction has 1057 states and 1336 transitions. [2018-11-28 12:49:18,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:49:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1336 transitions. [2018-11-28 12:49:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 12:49:18,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:18,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:18,334 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:18,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:18,334 INFO L82 PathProgramCache]: Analyzing trace with hash -994037289, now seen corresponding path program 1 times [2018-11-28 12:49:18,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:18,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:18,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:18,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:18,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 12:49:18,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:49:18,425 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/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 12:49:18,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:18,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:49:18,608 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:49:18,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 12:49:18,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:49:18,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:49:18,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:49:18,609 INFO L87 Difference]: Start difference. First operand 1057 states and 1336 transitions. Second operand 12 states. [2018-11-28 12:49:21,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:21,312 INFO L93 Difference]: Finished difference Result 2480 states and 3389 transitions. [2018-11-28 12:49:21,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 12:49:21,313 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-28 12:49:21,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:21,321 INFO L225 Difference]: With dead ends: 2480 [2018-11-28 12:49:21,321 INFO L226 Difference]: Without dead ends: 1697 [2018-11-28 12:49:21,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 12:49:21,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2018-11-28 12:49:21,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1491. [2018-11-28 12:49:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-11-28 12:49:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1909 transitions. [2018-11-28 12:49:21,413 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1909 transitions. Word has length 88 [2018-11-28 12:49:21,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:21,414 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 1909 transitions. [2018-11-28 12:49:21,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:49:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1909 transitions. [2018-11-28 12:49:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-28 12:49:21,419 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:21,419 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:21,420 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:21,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:21,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1571824138, now seen corresponding path program 1 times [2018-11-28 12:49:21,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:21,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:21,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:21,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:21,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-28 12:49:21,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:49:21,501 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:49:21,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:21,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-28 12:49:21,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:49:21,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 12:49:21,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:49:21,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:49:21,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:49:21,685 INFO L87 Difference]: Start difference. First operand 1491 states and 1909 transitions. Second operand 11 states. [2018-11-28 12:49:21,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:21,814 INFO L93 Difference]: Finished difference Result 2958 states and 3910 transitions. [2018-11-28 12:49:21,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:49:21,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2018-11-28 12:49:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:21,822 INFO L225 Difference]: With dead ends: 2958 [2018-11-28 12:49:21,822 INFO L226 Difference]: Without dead ends: 1491 [2018-11-28 12:49:21,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:49:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2018-11-28 12:49:21,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1491. [2018-11-28 12:49:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-11-28 12:49:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1903 transitions. [2018-11-28 12:49:21,924 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1903 transitions. Word has length 144 [2018-11-28 12:49:21,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:21,925 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 1903 transitions. [2018-11-28 12:49:21,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:49:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1903 transitions. [2018-11-28 12:49:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 12:49:21,930 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:21,931 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:21,931 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:21,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:21,931 INFO L82 PathProgramCache]: Analyzing trace with hash 19157716, now seen corresponding path program 1 times [2018-11-28 12:49:21,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:21,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:21,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:21,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:21,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-28 12:49:22,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:49:22,012 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:49:22,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:22,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 12:49:22,219 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:49:22,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 12:49:22,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:49:22,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:49:22,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:49:22,220 INFO L87 Difference]: Start difference. First operand 1491 states and 1903 transitions. Second operand 9 states. [2018-11-28 12:49:22,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:22,922 INFO L93 Difference]: Finished difference Result 2859 states and 3769 transitions. [2018-11-28 12:49:22,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 12:49:22,923 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-28 12:49:22,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:22,930 INFO L225 Difference]: With dead ends: 2859 [2018-11-28 12:49:22,930 INFO L226 Difference]: Without dead ends: 1392 [2018-11-28 12:49:22,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:49:22,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-11-28 12:49:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1334. [2018-11-28 12:49:23,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2018-11-28 12:49:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1589 transitions. [2018-11-28 12:49:23,032 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1589 transitions. Word has length 155 [2018-11-28 12:49:23,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:23,032 INFO L480 AbstractCegarLoop]: Abstraction has 1334 states and 1589 transitions. [2018-11-28 12:49:23,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:49:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1589 transitions. [2018-11-28 12:49:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 12:49:23,037 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:23,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:23,037 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:23,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:23,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1449438525, now seen corresponding path program 1 times [2018-11-28 12:49:23,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:23,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:23,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:23,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:23,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 12:49:23,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:49:23,220 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:49:23,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:23,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:49:23,389 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:49:23,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 12:49:23,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:49:23,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:49:23,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:49:23,390 INFO L87 Difference]: Start difference. First operand 1334 states and 1589 transitions. Second operand 14 states. [2018-11-28 12:49:24,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:24,953 INFO L93 Difference]: Finished difference Result 3036 states and 3846 transitions. [2018-11-28 12:49:24,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 12:49:24,954 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-11-28 12:49:24,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:24,959 INFO L225 Difference]: With dead ends: 3036 [2018-11-28 12:49:24,960 INFO L226 Difference]: Without dead ends: 1891 [2018-11-28 12:49:24,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 12:49:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-28 12:49:25,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1586. [2018-11-28 12:49:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2018-11-28 12:49:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1875 transitions. [2018-11-28 12:49:25,030 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1875 transitions. Word has length 157 [2018-11-28 12:49:25,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:25,030 INFO L480 AbstractCegarLoop]: Abstraction has 1586 states and 1875 transitions. [2018-11-28 12:49:25,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:49:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1875 transitions. [2018-11-28 12:49:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-28 12:49:25,034 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:49:25,034 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:25,034 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:49:25,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:25,034 INFO L82 PathProgramCache]: Analyzing trace with hash 819622895, now seen corresponding path program 1 times [2018-11-28 12:49:25,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:25,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:25,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:25,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:25,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-28 12:49:25,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:49:25,126 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:49:25,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:25,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-28 12:49:25,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:49:25,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 12:49:25,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:49:25,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:49:25,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:49:25,287 INFO L87 Difference]: Start difference. First operand 1586 states and 1875 transitions. Second operand 13 states. [2018-11-28 12:49:25,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:49:25,357 INFO L93 Difference]: Finished difference Result 2111 states and 2495 transitions. [2018-11-28 12:49:25,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:49:25,359 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-11-28 12:49:25,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:49:25,360 INFO L225 Difference]: With dead ends: 2111 [2018-11-28 12:49:25,360 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:49:25,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:49:25,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:49:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:49:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:49:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:49:25,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-11-28 12:49:25,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:49:25,363 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:49:25,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:49:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:49:25,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:49:25,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:49:25,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:25,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:49:26,825 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2018-11-28 12:49:27,511 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 29 [2018-11-28 12:49:27,770 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 409 415) the Hoare annotation is: true [2018-11-28 12:49:27,770 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 409 415) no Hoare annotation was computed. [2018-11-28 12:49:27,770 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 416 424) no Hoare annotation was computed. [2018-11-28 12:49:27,770 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 416 424) the Hoare annotation is: true [2018-11-28 12:49:27,771 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 416 424) no Hoare annotation was computed. [2018-11-28 12:49:27,771 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 362 386) the Hoare annotation is: true [2018-11-28 12:49:27,771 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-11-28 12:49:27,771 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 380) no Hoare annotation was computed. [2018-11-28 12:49:27,771 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-11-28 12:49:27,771 INFO L448 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2018-11-28 12:49:27,771 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 362 386) no Hoare annotation was computed. [2018-11-28 12:49:27,771 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 383) no Hoare annotation was computed. [2018-11-28 12:49:27,772 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 362 386) no Hoare annotation was computed. [2018-11-28 12:49:27,772 INFO L451 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2018-11-28 12:49:27,772 INFO L448 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-11-28 12:49:27,772 INFO L444 ceAbstractionStarter]: At program point L513(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,772 INFO L444 ceAbstractionStarter]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,772 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,772 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2018-11-28 12:49:27,772 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2018-11-28 12:49:27,772 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,773 INFO L444 ceAbstractionStarter]: At program point L519-1(line 519) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,773 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2018-11-28 12:49:27,773 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2018-11-28 12:49:27,773 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 12:49:27,773 INFO L444 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,773 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 344 358) no Hoare annotation was computed. [2018-11-28 12:49:27,773 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-28 12:49:27,773 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2018-11-28 12:49:27,773 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 344 358) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) .cse0)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-28 12:49:27,773 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 344 358) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L451 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 402 408) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 402 408) the Hoare annotation is: true [2018-11-28 12:49:27,774 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2018-11-28 12:49:27,774 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2018-11-28 12:49:27,775 INFO L451 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 976 989) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 986) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 976 989) the Hoare annotation is: true [2018-11-28 12:49:27,775 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 976 989) no Hoare annotation was computed. [2018-11-28 12:49:27,775 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:49:27,775 INFO L444 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:49:27,776 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2018-11-28 12:49:27,776 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:49:27,776 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2018-11-28 12:49:27,776 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-28 12:49:27,776 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2018-11-28 12:49:27,776 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-11-28 12:49:27,776 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-28 12:49:27,776 INFO L448 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2018-11-28 12:49:27,776 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2018-11-28 12:49:27,776 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2018-11-28 12:49:27,776 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,777 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (and (not (= ~systemActive~0 0)) .cse1) .cse2) (and .cse2 .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:49:27,777 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-28 12:49:27,777 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:49:27,777 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-28 12:49:27,777 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-28 12:49:27,777 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-28 12:49:27,777 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:49:27,777 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 12:49:27,777 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-28 12:49:27,777 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:49:27,777 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 990 998) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 990 998) the Hoare annotation is: true [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 990 998) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2018-11-28 12:49:27,778 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-28 12:49:27,779 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 967 975) the Hoare annotation is: true [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 967 975) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 967 975) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L451 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 923 934) no Hoare annotation was computed. [2018-11-28 12:49:27,779 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 923 934) the Hoare annotation is: true [2018-11-28 12:49:27,780 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 923 934) no Hoare annotation was computed. [2018-11-28 12:49:27,780 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 935 943) the Hoare annotation is: true [2018-11-28 12:49:27,780 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 935 943) no Hoare annotation was computed. [2018-11-28 12:49:27,780 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 935 943) no Hoare annotation was computed. [2018-11-28 12:49:27,780 INFO L451 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2018-11-28 12:49:27,780 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2018-11-28 12:49:27,780 INFO L448 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2018-11-28 12:49:27,780 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2018-11-28 12:49:27,780 INFO L451 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2018-11-28 12:49:27,780 INFO L451 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2018-11-28 12:49:27,780 INFO L448 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2018-11-28 12:49:27,780 INFO L451 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2018-11-28 12:49:27,780 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 12:49:27,781 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2018-11-28 12:49:27,781 INFO L448 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2018-11-28 12:49:27,781 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse2 .cse0))) [2018-11-28 12:49:27,781 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2018-11-28 12:49:27,781 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (not .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (< |old(~waterLevel~0)| 1)) (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1)))) [2018-11-28 12:49:27,781 INFO L444 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not .cse0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1))))) [2018-11-28 12:49:27,781 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2018-11-28 12:49:27,781 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 12:49:27,781 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 899 910) the Hoare annotation is: (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 899 910) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 12:49:27,782 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 12:49:27,782 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2018-11-28 12:49:27,782 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:49:27,783 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:49:27,783 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2018-11-28 12:49:27,783 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-11-28 12:49:27,783 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-28 12:49:27,783 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 911 922) no Hoare annotation was computed. [2018-11-28 12:49:27,783 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 911 922) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1))) (or (< ~pumpRunning~0 1) .cse1 .cse2 (= ~systemActive~0 0)))) [2018-11-28 12:49:27,783 INFO L448 ceAbstractionStarter]: For program point L915-1(lines 911 922) no Hoare annotation was computed. [2018-11-28 12:49:27,783 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 426 433) no Hoare annotation was computed. [2018-11-28 12:49:27,783 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2018-11-28 12:49:27,783 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2018-11-28 12:49:27,783 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2018-11-28 12:49:27,784 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-28 12:49:27,784 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2018-11-28 12:49:27,784 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2018-11-28 12:49:27,784 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:49:27,784 INFO L448 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2018-11-28 12:49:27,784 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2018-11-28 12:49:27,784 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-11-28 12:49:27,784 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-28 12:49:27,784 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2018-11-28 12:49:27,784 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-28 12:49:27,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:49:27 BoogieIcfgContainer [2018-11-28 12:49:27,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:49:27,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:49:27,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:49:27,799 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:49:27,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:16" (3/4) ... [2018-11-28 12:49:27,803 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:49:27,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:49:27,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:49:27,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:49:27,822 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 12:49:27,822 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:49:27,823 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:49:27,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 12:49:27,826 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:49:27,826 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:49:27,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-28 12:49:27,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 12:49:27,891 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe15fb30-dd14-45f1-bab6-68cfea9c8971/bin-2019/uautomizer/witness.graphml [2018-11-28 12:49:27,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:49:27,892 INFO L168 Benchmark]: Toolchain (without parser) took 12479.80 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 484.4 MB). Free memory was 949.5 MB in the beginning and 1.4 GB in the end (delta: -403.9 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:27,893 INFO L168 Benchmark]: CDTParser took 0.18 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 12:49:27,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:27,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.59 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 12:49:27,894 INFO L168 Benchmark]: Boogie Preprocessor took 26.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:27,894 INFO L168 Benchmark]: RCFGBuilder took 477.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:27,894 INFO L168 Benchmark]: TraceAbstraction took 11468.42 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 347.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -299.5 MB). Peak memory consumption was 469.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:27,895 INFO L168 Benchmark]: Witness Printer took 92.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:27,897 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 385.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.59 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 26.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 477.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11468.42 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 347.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -299.5 MB). Peak memory consumption was 469.9 MB. Max. memory is 11.5 GB. * Witness Printer took 92.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: 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: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 11.4s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1975 SDtfs, 2317 SDslu, 6400 SDs, 0 SdLazy, 7358 SolverSat, 1341 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 960 GetRequests, 812 SyntacticMatches, 1 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1586occurred 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 724 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3675 PreInvPairs, 3772 NumberOfFragments, 1209 HoareAnnotationTreeSize, 3675 FomulaSimplifications, 15148 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 69 FomulaSimplificationsInter, 12425 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1802 NumberOfCodeBlocks, 1802 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1787 ConstructedInterpolants, 0 QuantifiedInterpolants, 375017 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4340 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 511/582 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...