./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_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_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/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 1c36260bdfb38a7ddcc128caab61da79dda5fd60 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:58:37,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:58:37,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:58:37,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:58:37,706 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:58:37,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:58:37,708 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:58:37,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:58:37,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:58:37,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:58:37,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:58:37,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:58:37,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:58:37,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:58:37,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:58:37,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:58:37,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:58:37,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:58:37,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:58:37,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:58:37,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:58:37,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:58:37,721 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:58:37,721 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:58:37,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:58:37,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:58:37,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:58:37,723 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:58:37,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:58:37,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:58:37,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:58:37,725 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:58:37,725 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:58:37,725 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:58:37,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:58:37,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:58:37,727 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 07:58:37,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:58:37,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:58:37,737 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:58:37,737 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:58:37,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:58:37,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:58:37,737 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:58:37,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:58:37,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:58:37,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:58:37,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:58:37,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:58:37,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:58:37,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:58:37,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:58:37,739 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:58:37,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:58:37,739 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:58:37,739 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:58:37,739 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:58:37,739 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:58:37,739 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:58:37,740 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:58:37,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:58:37,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:58:37,740 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:58:37,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:58:37,740 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:58:37,740 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:58:37,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:58:37,741 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_825b81a6-c4d8-4bf1-97cf-b0366afca629/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 -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2018-11-23 07:58:37,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:58:37,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:58:37,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:58:37,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:58:37,775 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:58:37,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-23 07:58:37,811 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/data/e22874390/45effd03b4a9471f8fa1cc06b436c7e9/FLAG2cd108a04 [2018-11-23 07:58:38,163 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:58:38,163 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-23 07:58:38,170 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/data/e22874390/45effd03b4a9471f8fa1cc06b436c7e9/FLAG2cd108a04 [2018-11-23 07:58:38,182 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/data/e22874390/45effd03b4a9471f8fa1cc06b436c7e9 [2018-11-23 07:58:38,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:58:38,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:58:38,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:58:38,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:58:38,190 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:58:38,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38, skipping insertion in model container [2018-11-23 07:58:38,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:58:38,235 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:58:38,437 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:58:38,446 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:58:38,540 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:58:38,556 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:58:38,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38 WrapperNode [2018-11-23 07:58:38,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:58:38,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:58:38,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:58:38,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:58:38,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:58:38,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:58:38,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:58:38,577 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:58:38,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... [2018-11-23 07:58:38,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:58:38,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:58:38,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:58:38,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:58:38,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/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 07:58:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:58:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:58:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:58:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:58:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:58:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:58:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:58:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:58:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:58:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:58:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:58:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 07:58:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 07:58:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:58:38,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:58:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:58:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:58:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:58:38,639 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:58:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:58:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:58:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:58:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:58:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:58:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:58:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:58:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:58:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:58:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:58:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:58:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:58:38,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:58:39,055 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:58:39,055 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:58:39,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:58:39 BoogieIcfgContainer [2018-11-23 07:58:39,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:58:39,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:58:39,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:58:39,060 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:58:39,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:58:38" (1/3) ... [2018-11-23 07:58:39,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7653a0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:58:39, skipping insertion in model container [2018-11-23 07:58:39,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:38" (2/3) ... [2018-11-23 07:58:39,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7653a0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:58:39, skipping insertion in model container [2018-11-23 07:58:39,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:58:39" (3/3) ... [2018-11-23 07:58:39,063 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-23 07:58:39,071 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:58:39,078 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:58:39,091 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:58:39,111 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:58:39,112 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:58:39,112 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:58:39,112 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:58:39,112 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:58:39,112 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:58:39,113 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:58:39,113 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:58:39,113 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:58:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-23 07:58:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 07:58:39,135 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:39,136 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 07:58:39,138 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:39,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:39,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1664615398, now seen corresponding path program 1 times [2018-11-23 07:58:39,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:39,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:39,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:39,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:39,323 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 07:58:39,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:39,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:58:39,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:58:39,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:58:39,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:58:39,336 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-23 07:58:39,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:39,366 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2018-11-23 07:58:39,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:58:39,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 07:58:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:39,375 INFO L225 Difference]: With dead ends: 276 [2018-11-23 07:58:39,375 INFO L226 Difference]: Without dead ends: 138 [2018-11-23 07:58:39,378 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 07:58:39,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-23 07:58:39,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-23 07:58:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-23 07:58:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-11-23 07:58:39,414 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2018-11-23 07:58:39,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:39,415 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-11-23 07:58:39,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:58:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-11-23 07:58:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 07:58:39,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:39,417 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] [2018-11-23 07:58:39,417 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:39,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:39,417 INFO L82 PathProgramCache]: Analyzing trace with hash 163545993, now seen corresponding path program 1 times [2018-11-23 07:58:39,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:39,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:39,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:39,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:39,498 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 07:58:39,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:39,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:58:39,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:58:39,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:58:39,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:58:39,501 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-11-23 07:58:39,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:39,518 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2018-11-23 07:58:39,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:58:39,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 07:58:39,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:39,520 INFO L225 Difference]: With dead ends: 221 [2018-11-23 07:58:39,520 INFO L226 Difference]: Without dead ends: 129 [2018-11-23 07:58:39,521 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 07:58:39,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-23 07:58:39,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-23 07:58:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-23 07:58:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-11-23 07:58:39,532 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2018-11-23 07:58:39,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:39,533 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-11-23 07:58:39,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:58:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-11-23 07:58:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 07:58:39,534 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:39,534 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] [2018-11-23 07:58:39,535 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:39,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:39,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1157605667, now seen corresponding path program 1 times [2018-11-23 07:58:39,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:39,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:39,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:39,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:39,643 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 07:58:39,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:39,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:58:39,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:58:39,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:58:39,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:58:39,645 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2018-11-23 07:58:39,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:39,871 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2018-11-23 07:58:39,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 07:58:39,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 07:58:39,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:39,873 INFO L225 Difference]: With dead ends: 234 [2018-11-23 07:58:39,873 INFO L226 Difference]: Without dead ends: 129 [2018-11-23 07:58:39,874 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 07:58:39,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-23 07:58:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-23 07:58:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-23 07:58:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2018-11-23 07:58:39,887 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2018-11-23 07:58:39,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:39,888 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2018-11-23 07:58:39,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:58:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2018-11-23 07:58:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 07:58:39,889 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:39,890 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] [2018-11-23 07:58:39,890 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:39,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:39,890 INFO L82 PathProgramCache]: Analyzing trace with hash -175626351, now seen corresponding path program 1 times [2018-11-23 07:58:39,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:39,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:39,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:39,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:39,997 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 07:58:39,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:39,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:58:39,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:58:39,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:58:39,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:58:39,998 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2018-11-23 07:58:40,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:40,398 INFO L93 Difference]: Finished difference Result 345 states and 413 transitions. [2018-11-23 07:58:40,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:58:40,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-23 07:58:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:40,399 INFO L225 Difference]: With dead ends: 345 [2018-11-23 07:58:40,400 INFO L226 Difference]: Without dead ends: 240 [2018-11-23 07:58:40,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:58:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-11-23 07:58:40,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2018-11-23 07:58:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-23 07:58:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2018-11-23 07:58:40,421 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2018-11-23 07:58:40,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:40,422 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2018-11-23 07:58:40,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:58:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2018-11-23 07:58:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 07:58:40,424 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:40,424 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] [2018-11-23 07:58:40,426 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:40,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:40,427 INFO L82 PathProgramCache]: Analyzing trace with hash 293779646, now seen corresponding path program 1 times [2018-11-23 07:58:40,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:40,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:40,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:40,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:40,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:40,509 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 07:58:40,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:40,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:58:40,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:58:40,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:58:40,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:58:40,511 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2018-11-23 07:58:40,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:40,671 INFO L93 Difference]: Finished difference Result 538 states and 643 transitions. [2018-11-23 07:58:40,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:58:40,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-23 07:58:40,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:40,677 INFO L225 Difference]: With dead ends: 538 [2018-11-23 07:58:40,677 INFO L226 Difference]: Without dead ends: 341 [2018-11-23 07:58:40,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 07:58:40,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-11-23 07:58:40,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2018-11-23 07:58:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-11-23 07:58:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 389 transitions. [2018-11-23 07:58:40,703 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 389 transitions. Word has length 85 [2018-11-23 07:58:40,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:40,704 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 389 transitions. [2018-11-23 07:58:40,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:58:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 389 transitions. [2018-11-23 07:58:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 07:58:40,706 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:40,706 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 07:58:40,706 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:40,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:40,706 INFO L82 PathProgramCache]: Analyzing trace with hash 298673348, now seen corresponding path program 1 times [2018-11-23 07:58:40,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:40,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:40,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:40,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:40,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:40,839 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 07:58:40,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:40,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:58:40,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:58:40,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:58:40,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:58:40,841 INFO L87 Difference]: Start difference. First operand 337 states and 389 transitions. Second operand 6 states. [2018-11-23 07:58:40,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:40,998 INFO L93 Difference]: Finished difference Result 726 states and 872 transitions. [2018-11-23 07:58:40,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:58:40,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 07:58:41,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:41,001 INFO L225 Difference]: With dead ends: 726 [2018-11-23 07:58:41,002 INFO L226 Difference]: Without dead ends: 529 [2018-11-23 07:58:41,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 07:58:41,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-11-23 07:58:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2018-11-23 07:58:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-11-23 07:58:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 603 transitions. [2018-11-23 07:58:41,026 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 603 transitions. Word has length 89 [2018-11-23 07:58:41,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:41,027 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 603 transitions. [2018-11-23 07:58:41,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:58:41,027 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 603 transitions. [2018-11-23 07:58:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 07:58:41,028 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:41,029 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 07:58:41,029 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:41,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:41,029 INFO L82 PathProgramCache]: Analyzing trace with hash -624010235, now seen corresponding path program 1 times [2018-11-23 07:58:41,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:41,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:41,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:41,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:41,084 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 07:58:41,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:41,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 07:58:41,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 07:58:41,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 07:58:41,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:58:41,085 INFO L87 Difference]: Start difference. First operand 511 states and 603 transitions. Second operand 5 states. [2018-11-23 07:58:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:41,106 INFO L93 Difference]: Finished difference Result 892 states and 1074 transitions. [2018-11-23 07:58:41,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 07:58:41,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-23 07:58:41,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:41,109 INFO L225 Difference]: With dead ends: 892 [2018-11-23 07:58:41,109 INFO L226 Difference]: Without dead ends: 521 [2018-11-23 07:58:41,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:58:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-11-23 07:58:41,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-11-23 07:58:41,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-23 07:58:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2018-11-23 07:58:41,130 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 89 [2018-11-23 07:58:41,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:41,131 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2018-11-23 07:58:41,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 07:58:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2018-11-23 07:58:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 07:58:41,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:41,132 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 07:58:41,133 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:41,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:41,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1468015737, now seen corresponding path program 1 times [2018-11-23 07:58:41,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:41,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:41,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:41,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:41,212 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 07:58:41,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:41,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 07:58:41,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:58:41,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:58:41,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:58:41,213 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 9 states. [2018-11-23 07:58:41,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:41,258 INFO L93 Difference]: Finished difference Result 1012 states and 1214 transitions. [2018-11-23 07:58:41,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 07:58:41,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-23 07:58:41,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:41,262 INFO L225 Difference]: With dead ends: 1012 [2018-11-23 07:58:41,262 INFO L226 Difference]: Without dead ends: 521 [2018-11-23 07:58:41,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:58:41,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-11-23 07:58:41,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-11-23 07:58:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-23 07:58:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 604 transitions. [2018-11-23 07:58:41,288 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 604 transitions. Word has length 89 [2018-11-23 07:58:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:41,288 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 604 transitions. [2018-11-23 07:58:41,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:58:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2018-11-23 07:58:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 07:58:41,290 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:41,290 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] [2018-11-23 07:58:41,290 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:41,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:41,290 INFO L82 PathProgramCache]: Analyzing trace with hash -2075112032, now seen corresponding path program 1 times [2018-11-23 07:58:41,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:41,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:41,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:41,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:41,370 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 07:58:41,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:41,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 07:58:41,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:58:41,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:58:41,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:58:41,372 INFO L87 Difference]: Start difference. First operand 515 states and 604 transitions. Second operand 10 states. [2018-11-23 07:58:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:41,634 INFO L93 Difference]: Finished difference Result 1012 states and 1190 transitions. [2018-11-23 07:58:41,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 07:58:41,635 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-11-23 07:58:41,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:41,637 INFO L225 Difference]: With dead ends: 1012 [2018-11-23 07:58:41,637 INFO L226 Difference]: Without dead ends: 521 [2018-11-23 07:58:41,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 07:58:41,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-11-23 07:58:41,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 500. [2018-11-23 07:58:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-23 07:58:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 569 transitions. [2018-11-23 07:58:41,661 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 569 transitions. Word has length 90 [2018-11-23 07:58:41,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:41,661 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 569 transitions. [2018-11-23 07:58:41,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:58:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 569 transitions. [2018-11-23 07:58:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 07:58:41,663 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:41,664 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:41,664 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:41,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:41,664 INFO L82 PathProgramCache]: Analyzing trace with hash -270038364, now seen corresponding path program 1 times [2018-11-23 07:58:41,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:41,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:41,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:41,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:58:41,727 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:41,727 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/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 07:58:41,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:41,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:58:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:58:42,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:58:42,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-23 07:58:42,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 07:58:42,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 07:58:42,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 07:58:42,017 INFO L87 Difference]: Start difference. First operand 500 states and 569 transitions. Second operand 12 states. [2018-11-23 07:58:43,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:43,320 INFO L93 Difference]: Finished difference Result 1380 states and 1692 transitions. [2018-11-23 07:58:43,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 07:58:43,321 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2018-11-23 07:58:43,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:43,325 INFO L225 Difference]: With dead ends: 1380 [2018-11-23 07:58:43,325 INFO L226 Difference]: Without dead ends: 976 [2018-11-23 07:58:43,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-23 07:58:43,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2018-11-23 07:58:43,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 885. [2018-11-23 07:58:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2018-11-23 07:58:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1026 transitions. [2018-11-23 07:58:43,376 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1026 transitions. Word has length 140 [2018-11-23 07:58:43,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:43,377 INFO L480 AbstractCegarLoop]: Abstraction has 885 states and 1026 transitions. [2018-11-23 07:58:43,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 07:58:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1026 transitions. [2018-11-23 07:58:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 07:58:43,379 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:43,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:43,379 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:43,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:43,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1088986536, now seen corresponding path program 1 times [2018-11-23 07:58:43,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:43,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:43,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:43,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:43,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:58:43,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:43,475 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/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 07:58:43,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:43,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:58:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:58:43,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:58:43,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-23 07:58:43,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 07:58:43,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 07:58:43,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:58:43,664 INFO L87 Difference]: Start difference. First operand 885 states and 1026 transitions. Second operand 11 states. [2018-11-23 07:58:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:43,713 INFO L93 Difference]: Finished difference Result 1565 states and 1836 transitions. [2018-11-23 07:58:43,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:58:43,714 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2018-11-23 07:58:43,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:43,717 INFO L225 Difference]: With dead ends: 1565 [2018-11-23 07:58:43,717 INFO L226 Difference]: Without dead ends: 769 [2018-11-23 07:58:43,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:58:43,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-11-23 07:58:43,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 769. [2018-11-23 07:58:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-11-23 07:58:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 887 transitions. [2018-11-23 07:58:43,755 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 887 transitions. Word has length 136 [2018-11-23 07:58:43,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:43,755 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 887 transitions. [2018-11-23 07:58:43,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 07:58:43,755 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 887 transitions. [2018-11-23 07:58:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 07:58:43,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:43,756 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:43,757 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:43,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:43,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1290081535, now seen corresponding path program 1 times [2018-11-23 07:58:43,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:58:43,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:58:43,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:43,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:43,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:58:43,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:43,835 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:58:43,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:43,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:58:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:58:44,067 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 07:58:44,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-23 07:58:44,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 07:58:44,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 07:58:44,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-23 07:58:44,068 INFO L87 Difference]: Start difference. First operand 769 states and 887 transitions. Second operand 15 states. [2018-11-23 07:58:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:45,931 INFO L93 Difference]: Finished difference Result 2757 states and 3838 transitions. [2018-11-23 07:58:45,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 07:58:45,933 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 140 [2018-11-23 07:58:45,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:45,934 INFO L225 Difference]: With dead ends: 2757 [2018-11-23 07:58:45,934 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:58:45,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 07:58:45,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:58:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:58:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:58:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:58:45,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-11-23 07:58:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:45,941 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:58:45,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 07:58:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:58:45,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:58:45,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:58:46,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:46,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:47,129 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-23 07:58:47,238 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-11-23 07:58:47,526 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-11-23 07:58:47,632 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2018-11-23 07:58:47,815 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2018-11-23 07:58:48,018 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-11-23 07:58:48,255 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-23 07:58:48,447 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-23 07:58:48,885 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-23 07:58:50,190 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-11-23 07:58:50,200 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2018-11-23 07:58:50,200 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2018-11-23 07:58:50,200 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-23 07:58:50,200 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2018-11-23 07:58:50,200 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-23 07:58:50,200 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2018-11-23 07:58:50,200 INFO L448 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2018-11-23 07:58:50,200 INFO L448 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2018-11-23 07:58:50,200 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,200 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,200 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,201 INFO L444 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,201 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2018-11-23 07:58:50,201 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2018-11-23 07:58:50,201 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,201 INFO L444 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,201 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2018-11-23 07:58:50,201 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2018-11-23 07:58:50,201 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2018-11-23 07:58:50,201 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2018-11-23 07:58:50,201 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2018-11-23 07:58:50,201 INFO L451 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2018-11-23 07:58:50,201 INFO L448 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2018-11-23 07:58:50,202 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2018-11-23 07:58:50,202 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2018-11-23 07:58:50,203 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 07:58:50,203 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:58:50,203 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2018-11-23 07:58:50,203 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:58:50,203 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:58:50,203 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2018-11-23 07:58:50,203 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:58:50,203 INFO L448 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2018-11-23 07:58:50,203 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2018-11-23 07:58:50,203 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2018-11-23 07:58:50,204 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-11-23 07:58:50,204 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2018-11-23 07:58:50,204 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2018-11-23 07:58:50,204 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2018-11-23 07:58:50,204 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2018-11-23 07:58:50,204 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,204 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2018-11-23 07:58:50,204 INFO L444 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 07:58:50,204 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2018-11-23 07:58:50,204 INFO L444 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:58:50,204 INFO L448 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2018-11-23 07:58:50,205 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:58:50,205 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2018-11-23 07:58:50,205 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:58:50,205 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-11-23 07:58:50,205 INFO L448 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2018-11-23 07:58:50,205 INFO L444 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:58:50,205 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 07:58:50,205 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2018-11-23 07:58:50,205 INFO L448 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2018-11-23 07:58:50,205 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2018-11-23 07:58:50,206 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2018-11-23 07:58:50,207 INFO L451 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-11-23 07:58:50,207 INFO L448 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2018-11-23 07:58:50,207 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2018-11-23 07:58:50,207 INFO L448 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-11-23 07:58:50,207 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2018-11-23 07:58:50,207 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-11-23 07:58:50,207 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-11-23 07:58:50,207 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-11-23 07:58:50,207 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-11-23 07:58:50,207 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse6 .cse7)))) [2018-11-23 07:58:50,207 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-11-23 07:58:50,208 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (or .cse3 .cse2 .cse4 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse5)) (or .cse1 (and (<= ~waterLevel~0 1) .cse5) .cse2) (or .cse6 .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse6)))) [2018-11-23 07:58:50,208 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse5) (or .cse6 .cse1 .cse4)))) [2018-11-23 07:58:50,208 INFO L444 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-23 07:58:50,208 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2018-11-23 07:58:50,208 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-23 07:58:50,208 INFO L448 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2018-11-23 07:58:50,208 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2018-11-23 07:58:50,208 INFO L448 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2018-11-23 07:58:50,208 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2018-11-23 07:58:50,208 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2018-11-23 07:58:50,209 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-23 07:58:50,209 INFO L451 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2018-11-23 07:58:50,209 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 07:58:50,209 INFO L451 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2018-11-23 07:58:50,209 INFO L451 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2018-11-23 07:58:50,209 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-23 07:58:50,209 INFO L451 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2018-11-23 07:58:50,209 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-11-23 07:58:50,209 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-11-23 07:58:50,209 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-11-23 07:58:50,209 INFO L451 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2018-11-23 07:58:50,209 INFO L448 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2018-11-23 07:58:50,209 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2018-11-23 07:58:50,210 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2018-11-23 07:58:50,210 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-23 07:58:50,210 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-11-23 07:58:50,210 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 .cse1 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)))) [2018-11-23 07:58:50,210 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-23 07:58:50,210 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-11-23 07:58:50,210 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2018-11-23 07:58:50,210 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-11-23 07:58:50,210 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-23 07:58:50,210 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2018-11-23 07:58:50,210 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-23 07:58:50,211 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-23 07:58:50,211 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-23 07:58:50,211 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2018-11-23 07:58:50,211 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2018-11-23 07:58:50,211 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:58:50,211 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) (< ~waterLevel~0 2)) [2018-11-23 07:58:50,211 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:58:50,211 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:58:50,211 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 07:58:50,211 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2018-11-23 07:58:50,211 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:58:50,212 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2018-11-23 07:58:50,212 INFO L444 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse0) (or (or (<= 2 ~waterLevel~0) .cse1 .cse0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:58:50,212 INFO L444 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 07:58:50,212 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2018-11-23 07:58:50,212 INFO L444 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 07:58:50,212 INFO L448 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2018-11-23 07:58:50,212 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2018-11-23 07:58:50,212 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2018-11-23 07:58:50,212 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse2 .cse1 .cse0))) [2018-11-23 07:58:50,212 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2018-11-23 07:58:50,212 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-11-23 07:58:50,213 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-23 07:58:50,213 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-11-23 07:58:50,213 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-23 07:58:50,213 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2018-11-23 07:58:50,213 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2018-11-23 07:58:50,213 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-23 07:58:50,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:58:50 BoogieIcfgContainer [2018-11-23 07:58:50,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:58:50,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:58:50,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:58:50,226 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:58:50,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:58:39" (3/4) ... [2018-11-23 07:58:50,233 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:58:50,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:58:50,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:58:50,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 07:58:50,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 07:58:50,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 07:58:50,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:58:50,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:58:50,247 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 07:58:50,247 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:58:50,247 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:58:50,248 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:58:50,248 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:58:50,248 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:58:50,249 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:58:50,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:58:50,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 07:58:50,300 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_825b81a6-c4d8-4bf1-97cf-b0366afca629/bin-2019/uautomizer/witness.graphml [2018-11-23 07:58:50,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:58:50,301 INFO L168 Benchmark]: Toolchain (without parser) took 12115.56 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 444.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:50,301 INFO L168 Benchmark]: CDTParser took 0.12 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 07:58:50,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:50,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:58:50,302 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:50,302 INFO L168 Benchmark]: RCFGBuilder took 452.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:50,302 INFO L168 Benchmark]: TraceAbstraction took 11168.76 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 344.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -88.3 MB). Peak memory consumption was 529.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:50,303 INFO L168 Benchmark]: Witness Printer took 74.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:50,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 369.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 452.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11168.76 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 344.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -88.3 MB). Peak memory consumption was 529.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 11.1s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2069 SDtfs, 2206 SDslu, 6984 SDs, 0 SdLazy, 5256 SolverSat, 1243 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 458 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=885occurred 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, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2595 PreInvPairs, 3176 NumberOfFragments, 1683 HoareAnnotationTreeSize, 2595 FomulaSimplifications, 13847 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 62 FomulaSimplificationsInter, 31947 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1508 NumberOfCodeBlocks, 1508 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 258824 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2531 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 136/150 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...