./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/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 5f4b0de905917a1846797fc2994ae6377b8a6114 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:51:09,637 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:51:09,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:51:09,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:51:09,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:51:09,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:51:09,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:51:09,648 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:51:09,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:51:09,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:51:09,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:51:09,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:51:09,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:51:09,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:51:09,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:51:09,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:51:09,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:51:09,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:51:09,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:51:09,658 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:51:09,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:51:09,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:51:09,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:51:09,661 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:51:09,661 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:51:09,662 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:51:09,663 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:51:09,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:51:09,664 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:51:09,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:51:09,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:51:09,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:51:09,666 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:51:09,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:51:09,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:51:09,668 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:51:09,668 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 07:51:09,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:51:09,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:51:09,679 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:51:09,679 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:51:09,679 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:51:09,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:51:09,680 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:51:09,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:51:09,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:51:09,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:51:09,680 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:51:09,680 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:51:09,680 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:51:09,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:51:09,681 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:51:09,681 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:51:09,681 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:51:09,681 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:51:09,681 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:51:09,681 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:51:09,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:51:09,682 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:51:09,682 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:51:09,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:51:09,682 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:51:09,682 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:51:09,682 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:51:09,683 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:51:09,683 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:51:09,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:51:09,683 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_c6610739-e856-4b10-a230-8ca7f03d1b30/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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-11-23 07:51:09,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:51:09,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:51:09,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:51:09,717 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:51:09,718 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:51:09,718 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-23 07:51:09,758 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/data/b56cebe1a/caea9e3617684aab89bd01704df8bda2/FLAG7d0be52e0 [2018-11-23 07:51:10,123 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:51:10,124 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-23 07:51:10,133 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/data/b56cebe1a/caea9e3617684aab89bd01704df8bda2/FLAG7d0be52e0 [2018-11-23 07:51:10,515 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/data/b56cebe1a/caea9e3617684aab89bd01704df8bda2 [2018-11-23 07:51:10,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:51:10,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:51:10,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:51:10,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:51:10,523 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:51:10,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199216ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10, skipping insertion in model container [2018-11-23 07:51:10,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:51:10,565 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:51:10,772 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:51:10,781 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:51:10,886 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:51:10,903 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:51:10,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10 WrapperNode [2018-11-23 07:51:10,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:51:10,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:51:10,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:51:10,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:51:10,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:51:10,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:51:10,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:51:10,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:51:10,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... [2018-11-23 07:51:10,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:51:10,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:51:10,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:51:10,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:51:10,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/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 [2018-11-23 07:51:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:51:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:51:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:51:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:51:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:51:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:51:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:51:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:51:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:51:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 07:51:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 07:51:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:51:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:51:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:51:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:51:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:51:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:51:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:51:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:51:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:51:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:51:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:51:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:51:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 07:51:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 07:51:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 07:51:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 07:51:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:51:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:51:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:51:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:51:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:51:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:51:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:51:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:51:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:51:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:51:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 07:51:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 07:51:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:51:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:51:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:51:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:51:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:51:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:51:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:51:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:51:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:51:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:51:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:51:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:51:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 07:51:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 07:51:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:51:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:51:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:51:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:51:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:51:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:51:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:51:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:51:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:51:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:51:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:51:11,460 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:51:11,460 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:51:11,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:51:11 BoogieIcfgContainer [2018-11-23 07:51:11,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:51:11,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:51:11,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:51:11,464 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:51:11,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:51:10" (1/3) ... [2018-11-23 07:51:11,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11279ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:51:11, skipping insertion in model container [2018-11-23 07:51:11,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:51:10" (2/3) ... [2018-11-23 07:51:11,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11279ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:51:11, skipping insertion in model container [2018-11-23 07:51:11,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:51:11" (3/3) ... [2018-11-23 07:51:11,467 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-23 07:51:11,475 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:51:11,482 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:51:11,496 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:51:11,519 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:51:11,519 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:51:11,520 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:51:11,520 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:51:11,520 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:51:11,520 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:51:11,520 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:51:11,520 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:51:11,520 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:51:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-11-23 07:51:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 07:51:11,545 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:11,545 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] [2018-11-23 07:51:11,547 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:11,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:11,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1250052594, now seen corresponding path program 1 times [2018-11-23 07:51:11,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:11,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:11,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:11,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:11,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:11,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:11,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:51:11,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:51:11,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:51:11,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:51:11,758 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-11-23 07:51:11,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:11,793 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2018-11-23 07:51:11,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:51:11,794 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 07:51:11,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:11,804 INFO L225 Difference]: With dead ends: 300 [2018-11-23 07:51:11,804 INFO L226 Difference]: Without dead ends: 152 [2018-11-23 07:51:11,807 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 [2018-11-23 07:51:11,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-23 07:51:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-23 07:51:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-23 07:51:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-11-23 07:51:11,846 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2018-11-23 07:51:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:11,846 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-11-23 07:51:11,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:51:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-11-23 07:51:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:51:11,848 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:11,848 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:11,848 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:11,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:11,849 INFO L82 PathProgramCache]: Analyzing trace with hash -269928811, now seen corresponding path program 1 times [2018-11-23 07:51:11,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:11,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:11,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:11,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:11,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:11,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:11,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:51:11,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:51:11,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:51:11,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:51:11,927 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-11-23 07:51:11,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:11,958 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2018-11-23 07:51:11,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:51:11,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 07:51:11,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:11,960 INFO L225 Difference]: With dead ends: 245 [2018-11-23 07:51:11,961 INFO L226 Difference]: Without dead ends: 143 [2018-11-23 07:51:11,962 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 [2018-11-23 07:51:11,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-23 07:51:11,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-23 07:51:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-23 07:51:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-11-23 07:51:11,974 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2018-11-23 07:51:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:11,975 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-11-23 07:51:11,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:51:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-11-23 07:51:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 07:51:11,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:11,977 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] [2018-11-23 07:51:11,977 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:11,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:11,977 INFO L82 PathProgramCache]: Analyzing trace with hash 670016897, now seen corresponding path program 1 times [2018-11-23 07:51:11,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:11,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:11,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:11,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:11,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:12,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:12,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:51:12,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:51:12,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:51:12,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:51:12,107 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-11-23 07:51:12,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:12,421 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-11-23 07:51:12,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:51:12,421 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 07:51:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:12,423 INFO L225 Difference]: With dead ends: 258 [2018-11-23 07:51:12,423 INFO L226 Difference]: Without dead ends: 143 [2018-11-23 07:51:12,424 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 [2018-11-23 07:51:12,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-23 07:51:12,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-23 07:51:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-23 07:51:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-11-23 07:51:12,436 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2018-11-23 07:51:12,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:12,436 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-11-23 07:51:12,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:51:12,437 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-11-23 07:51:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 07:51:12,439 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:12,439 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:12,439 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:12,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:12,440 INFO L82 PathProgramCache]: Analyzing trace with hash -54842405, now seen corresponding path program 1 times [2018-11-23 07:51:12,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:12,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:12,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:12,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:12,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:12,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:12,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:51:12,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:51:12,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:51:12,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:51:12,536 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2018-11-23 07:51:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:12,891 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2018-11-23 07:51:12,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:51:12,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-23 07:51:12,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:12,894 INFO L225 Difference]: With dead ends: 367 [2018-11-23 07:51:12,894 INFO L226 Difference]: Without dead ends: 252 [2018-11-23 07:51:12,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:51:12,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-11-23 07:51:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2018-11-23 07:51:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-11-23 07:51:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2018-11-23 07:51:12,915 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2018-11-23 07:51:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:12,915 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2018-11-23 07:51:12,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:51:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2018-11-23 07:51:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 07:51:12,917 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:12,917 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:12,917 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:12,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:12,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1190541314, now seen corresponding path program 1 times [2018-11-23 07:51:12,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:12,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:12,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:12,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:12,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:13,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:13,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:51:13,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:51:13,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:51:13,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:51:13,001 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2018-11-23 07:51:13,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:13,204 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2018-11-23 07:51:13,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:51:13,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 07:51:13,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:13,208 INFO L225 Difference]: With dead ends: 625 [2018-11-23 07:51:13,208 INFO L226 Difference]: Without dead ends: 420 [2018-11-23 07:51:13,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:51:13,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-11-23 07:51:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2018-11-23 07:51:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-11-23 07:51:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2018-11-23 07:51:13,236 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2018-11-23 07:51:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:13,236 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2018-11-23 07:51:13,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:51:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2018-11-23 07:51:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 07:51:13,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:13,238 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:13,238 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:13,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:13,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1720134146, now seen corresponding path program 1 times [2018-11-23 07:51:13,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:13,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:13,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:13,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:13,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:13,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:51:13,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:51:13,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:51:13,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:51:13,333 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2018-11-23 07:51:13,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:13,686 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2018-11-23 07:51:13,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 07:51:13,686 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-23 07:51:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:13,689 INFO L225 Difference]: With dead ends: 831 [2018-11-23 07:51:13,689 INFO L226 Difference]: Without dead ends: 445 [2018-11-23 07:51:13,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 07:51:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-11-23 07:51:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2018-11-23 07:51:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-11-23 07:51:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2018-11-23 07:51:13,709 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2018-11-23 07:51:13,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:13,709 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2018-11-23 07:51:13,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:51:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2018-11-23 07:51:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 07:51:13,711 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:13,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:13,711 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:13,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:13,711 INFO L82 PathProgramCache]: Analyzing trace with hash 32002960, now seen corresponding path program 1 times [2018-11-23 07:51:13,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:13,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:13,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:13,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:13,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:13,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:51:13,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:51:13,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:51:13,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:51:13,790 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2018-11-23 07:51:13,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:13,815 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2018-11-23 07:51:13,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:51:13,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-23 07:51:13,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:13,818 INFO L225 Difference]: With dead ends: 808 [2018-11-23 07:51:13,818 INFO L226 Difference]: Without dead ends: 423 [2018-11-23 07:51:13,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:51:13,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-11-23 07:51:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-11-23 07:51:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-11-23 07:51:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2018-11-23 07:51:13,837 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2018-11-23 07:51:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:13,837 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2018-11-23 07:51:13,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:51:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2018-11-23 07:51:13,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 07:51:13,838 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:13,839 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:13,839 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:13,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:13,839 INFO L82 PathProgramCache]: Analyzing trace with hash -40383598, now seen corresponding path program 1 times [2018-11-23 07:51:13,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:13,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:13,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:13,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:13,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:13,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 07:51:13,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:51:13,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:51:13,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:51:13,925 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2018-11-23 07:51:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:13,950 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2018-11-23 07:51:13,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:51:13,951 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-11-23 07:51:13,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:13,952 INFO L225 Difference]: With dead ends: 832 [2018-11-23 07:51:13,952 INFO L226 Difference]: Without dead ends: 437 [2018-11-23 07:51:13,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:51:13,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-23 07:51:13,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-11-23 07:51:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-11-23 07:51:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2018-11-23 07:51:13,967 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2018-11-23 07:51:13,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:13,967 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2018-11-23 07:51:13,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:51:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2018-11-23 07:51:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 07:51:13,969 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:13,969 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:13,969 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:13,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:13,969 INFO L82 PathProgramCache]: Analyzing trace with hash 289382163, now seen corresponding path program 1 times [2018-11-23 07:51:13,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:13,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:13,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:13,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:14,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:14,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:51:14,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:51:14,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:51:14,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:51:14,041 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2018-11-23 07:51:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:14,185 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2018-11-23 07:51:14,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:51:14,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-23 07:51:14,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:14,188 INFO L225 Difference]: With dead ends: 1306 [2018-11-23 07:51:14,188 INFO L226 Difference]: Without dead ends: 903 [2018-11-23 07:51:14,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:51:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-11-23 07:51:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2018-11-23 07:51:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2018-11-23 07:51:14,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2018-11-23 07:51:14,217 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2018-11-23 07:51:14,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:14,217 INFO L480 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2018-11-23 07:51:14,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:51:14,217 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2018-11-23 07:51:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 07:51:14,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:14,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:14,219 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:14,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:14,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1031306131, now seen corresponding path program 1 times [2018-11-23 07:51:14,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:14,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:14,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:14,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:14,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:14,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:51:14,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:51:14,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:51:14,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:51:14,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:51:14,272 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2018-11-23 07:51:14,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:14,347 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2018-11-23 07:51:14,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:51:14,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-11-23 07:51:14,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:14,351 INFO L225 Difference]: With dead ends: 898 [2018-11-23 07:51:14,351 INFO L226 Difference]: Without dead ends: 895 [2018-11-23 07:51:14,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:51:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-11-23 07:51:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2018-11-23 07:51:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-11-23 07:51:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2018-11-23 07:51:14,407 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2018-11-23 07:51:14,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:14,408 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2018-11-23 07:51:14,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:51:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2018-11-23 07:51:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 07:51:14,411 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:14,412 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, 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] [2018-11-23 07:51:14,412 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:14,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:14,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2080725161, now seen corresponding path program 1 times [2018-11-23 07:51:14,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:14,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:14,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:14,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:14,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 07:51:14,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:51:14,508 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/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 [2018-11-23 07:51:14,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:14,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:51:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:51:14,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:51:14,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 07:51:14,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:51:14,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:51:14,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:51:14,688 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 8 states. [2018-11-23 07:51:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:14,791 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2018-11-23 07:51:14,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:51:14,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2018-11-23 07:51:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:14,794 INFO L225 Difference]: With dead ends: 1249 [2018-11-23 07:51:14,794 INFO L226 Difference]: Without dead ends: 674 [2018-11-23 07:51:14,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:51:14,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-11-23 07:51:14,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2018-11-23 07:51:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-11-23 07:51:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2018-11-23 07:51:14,822 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2018-11-23 07:51:14,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:14,823 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2018-11-23 07:51:14,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:51:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2018-11-23 07:51:14,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 07:51:14,825 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:51:14,826 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:51:14,826 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:51:14,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:51:14,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1470059897, now seen corresponding path program 1 times [2018-11-23 07:51:14,826 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:51:14,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:51:14,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:14,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:14,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:51:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 07:51:14,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:51:14,955 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/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 [2018-11-23 07:51:14,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:51:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:51:15,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:51:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:51:15,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:51:15,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 07:51:15,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 07:51:15,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 07:51:15,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 07:51:15,242 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 19 states. [2018-11-23 07:51:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:51:15,773 INFO L93 Difference]: Finished difference Result 1220 states and 1378 transitions. [2018-11-23 07:51:15,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 07:51:15,774 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 175 [2018-11-23 07:51:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:51:15,774 INFO L225 Difference]: With dead ends: 1220 [2018-11-23 07:51:15,774 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:51:15,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 07:51:15,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:51:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:51:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:51:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:51:15,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-11-23 07:51:15,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:51:15,777 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:51:15,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 07:51:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:51:15,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:51:15,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:51:15,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:15,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:51:16,250 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2018-11-23 07:51:16,518 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-11-23 07:51:17,174 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-23 07:51:17,459 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2018-11-23 07:51:18,547 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2018-11-23 07:51:18,547 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2018-11-23 07:51:18,547 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2018-11-23 07:51:18,547 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2018-11-23 07:51:18,547 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2018-11-23 07:51:18,547 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,547 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,547 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,547 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-23 07:51:18,548 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,548 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2018-11-23 07:51:18,548 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2018-11-23 07:51:18,548 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2018-11-23 07:51:18,548 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L451 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2018-11-23 07:51:18,549 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,549 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L451 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2018-11-23 07:51:18,549 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 07:51:18,550 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2018-11-23 07:51:18,550 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2018-11-23 07:51:18,550 INFO L448 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2018-11-23 07:51:18,550 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2018-11-23 07:51:18,550 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2018-11-23 07:51:18,550 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2018-11-23 07:51:18,550 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-11-23 07:51:18,550 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-11-23 07:51:18,550 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse0) (or .cse4 .cse2)))) [2018-11-23 07:51:18,550 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2018-11-23 07:51:18,550 INFO L444 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-11-23 07:51:18,551 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3 .cse5)))) [2018-11-23 07:51:18,551 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-11-23 07:51:18,551 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse4 .cse3 .cse2 .cse5)))) [2018-11-23 07:51:18,551 INFO L448 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-11-23 07:51:18,551 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-11-23 07:51:18,551 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2018-11-23 07:51:18,551 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2018-11-23 07:51:18,551 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,551 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-11-23 07:51:18,552 INFO L444 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-11-23 07:51:18,552 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-11-23 07:51:18,552 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-11-23 07:51:18,552 INFO L444 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-11-23 07:51:18,552 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-11-23 07:51:18,552 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-23 07:51:18,552 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-11-23 07:51:18,552 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-11-23 07:51:18,552 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-23 07:51:18,553 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-23 07:51:18,553 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-11-23 07:51:18,553 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-11-23 07:51:18,553 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-11-23 07:51:18,553 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:51:18,553 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-11-23 07:51:18,553 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2018-11-23 07:51:18,553 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2018-11-23 07:51:18,553 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2018-11-23 07:51:18,553 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 07:51:18,554 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-11-23 07:51:18,554 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-11-23 07:51:18,554 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-11-23 07:51:18,554 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-11-23 07:51:18,554 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-23 07:51:18,554 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-11-23 07:51:18,554 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-11-23 07:51:18,554 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 07:51:18,554 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-11-23 07:51:18,554 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2018-11-23 07:51:18,555 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2018-11-23 07:51:18,555 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-11-23 07:51:18,556 INFO L448 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-11-23 07:51:18,556 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2018-11-23 07:51:18,556 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2018-11-23 07:51:18,556 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse5) (or .cse6 .cse4 .cse5)))) [2018-11-23 07:51:18,557 INFO L448 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2018-11-23 07:51:18,557 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-11-23 07:51:18,557 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2018-11-23 07:51:18,557 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2018-11-23 07:51:18,557 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse4 .cse5 .cse2) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-11-23 07:51:18,557 INFO L444 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or .cse11 .cse2)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= 1 ~waterLevel~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse4 (and .cse6 .cse7 .cse10) .cse8) (or .cse11 .cse12 .cse2 .cse13 .cse8 .cse9) (or .cse0 .cse11 .cse2 .cse13 .cse8 .cse12)))) [2018-11-23 07:51:18,557 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 07:51:18,557 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 07:51:18,558 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:51:18,558 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 07:51:18,558 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 07:51:18,558 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse5 .cse1)))) [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2018-11-23 07:51:18,559 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-11-23 07:51:18,560 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 07:51:18,560 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2018-11-23 07:51:18,560 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 07:51:18,560 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 07:51:18,560 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2018-11-23 07:51:18,560 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 07:51:18,560 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-11-23 07:51:18,560 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-11-23 07:51:18,560 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 07:51:18,560 INFO L448 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2018-11-23 07:51:18,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:51:18 BoogieIcfgContainer [2018-11-23 07:51:18,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:51:18,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:51:18,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:51:18,574 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:51:18,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:51:11" (3/4) ... [2018-11-23 07:51:18,578 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:51:18,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:51:18,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:51:18,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:51:18,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 07:51:18,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:51:18,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:51:18,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 07:51:18,596 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 07:51:18,596 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:51:18,597 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:51:18,597 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:51:18,597 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:51:18,598 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:51:18,598 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:51:18,619 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-11-23 07:51:18,620 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:51:18,653 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6610739-e856-4b10-a230-8ca7f03d1b30/bin-2019/uautomizer/witness.graphml [2018-11-23 07:51:18,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:51:18,654 INFO L168 Benchmark]: Toolchain (without parser) took 8135.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 411.0 MB). Free memory was 956.4 MB in the beginning and 984.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 383.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:51:18,654 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:51:18,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:51:18,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.42 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. [2018-11-23 07:51:18,655 INFO L168 Benchmark]: Boogie Preprocessor took 30.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:51:18,655 INFO L168 Benchmark]: RCFGBuilder took 497.66 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:51:18,655 INFO L168 Benchmark]: TraceAbstraction took 7112.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 276.3 MB). Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 63.8 MB). Peak memory consumption was 419.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:51:18,656 INFO L168 Benchmark]: Witness Printer took 79.61 ms. Allocated memory is still 1.4 GB. Free memory was 996.0 MB in the beginning and 984.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:51:18,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.42 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 30.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 497.66 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7112.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 276.3 MB). Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 63.8 MB). Peak memory consumption was 419.9 MB. Max. memory is 11.5 GB. * Witness Printer took 79.61 ms. Allocated memory is still 1.4 GB. Free memory was 996.0 MB in the beginning and 984.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2306 SDtfs, 1547 SDslu, 6550 SDs, 0 SdLazy, 2182 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 547 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1683 PreInvPairs, 1742 NumberOfFragments, 2800 HoareAnnotationTreeSize, 1683 FomulaSimplifications, 6285 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 8972 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1457 ConstructedInterpolants, 0 QuantifiedInterpolants, 296042 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1875 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 202/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...