./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_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_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/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 23f993c1cfae7b9f66cc8c2fd252077854486eec ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:32:37,640 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:32:37,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:32:37,649 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:32:37,649 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:32:37,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:32:37,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:32:37,652 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:32:37,653 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:32:37,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:32:37,655 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:32:37,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:32:37,655 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:32:37,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:32:37,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:32:37,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:32:37,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:32:37,660 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:32:37,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:32:37,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:32:37,663 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:32:37,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:32:37,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:32:37,666 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:32:37,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:32:37,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:32:37,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:32:37,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:32:37,669 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:32:37,670 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:32:37,670 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:32:37,671 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:32:37,671 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:32:37,671 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:32:37,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:32:37,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:32:37,672 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 09:32:37,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:32:37,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:32:37,683 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:32:37,684 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:32:37,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:32:37,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:32:37,684 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:32:37,685 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:32:37,685 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:32:37,686 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:32:37,686 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:32:37,686 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:32:37,686 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:32:37,686 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:32:37,686 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:32:37,686 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:32:37,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:32:37,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:32:37,687 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:32:37,687 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:32:37,687 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:32:37,687 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:32:37,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:32:37,687 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_15b4a923-b1d8-4b6b-8166-54150a87321a/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 -> 23f993c1cfae7b9f66cc8c2fd252077854486eec [2018-11-23 09:32:37,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:32:37,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:32:37,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:32:37,725 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:32:37,725 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:32:37,726 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-23 09:32:37,772 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/data/f7820a769/4745e42db17e48898f40bfee427ec143/FLAG4438401ec [2018-11-23 09:32:38,161 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:32:38,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-23 09:32:38,172 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/data/f7820a769/4745e42db17e48898f40bfee427ec143/FLAG4438401ec [2018-11-23 09:32:38,558 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/data/f7820a769/4745e42db17e48898f40bfee427ec143 [2018-11-23 09:32:38,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:32:38,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:32:38,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:32:38,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:32:38,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:32:38,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7c0064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38, skipping insertion in model container [2018-11-23 09:32:38,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:32:38,613 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:32:38,814 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:32:38,821 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:32:38,922 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:32:38,946 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:32:38,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38 WrapperNode [2018-11-23 09:32:38,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:32:38,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:32:38,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:32:38,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:32:38,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:32:38,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:32:38,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:32:38,975 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:32:38,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:38,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:39,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... [2018-11-23 09:32:39,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:32:39,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:32:39,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:32:39,004 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:32:39,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/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 09:32:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 09:32:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 09:32:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:32:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:32:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 09:32:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 09:32:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:32:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 09:32:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 09:32:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 09:32:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 09:32:39,044 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 09:32:39,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 09:32:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 09:32:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 09:32:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 09:32:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 09:32:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 09:32:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 09:32:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 09:32:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 09:32:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 09:32:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 09:32:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 09:32:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 09:32:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 09:32:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 09:32:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 09:32:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 09:32:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 09:32:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 09:32:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 09:32:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 09:32:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 09:32:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 09:32:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 09:32:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 09:32:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:32:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:32:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 09:32:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 09:32:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 09:32:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 09:32:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 09:32:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 09:32:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 09:32:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 09:32:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:32:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:32:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 09:32:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 09:32:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 09:32:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 09:32:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 09:32:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 09:32:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 09:32:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 09:32:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 09:32:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:32:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:32:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 09:32:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 09:32:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 09:32:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 09:32:39,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:32:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:32:39,516 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:32:39,516 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 09:32:39,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:39 BoogieIcfgContainer [2018-11-23 09:32:39,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:32:39,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:32:39,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:32:39,520 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:32:39,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:38" (1/3) ... [2018-11-23 09:32:39,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390bc337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:39, skipping insertion in model container [2018-11-23 09:32:39,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:38" (2/3) ... [2018-11-23 09:32:39,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390bc337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:39, skipping insertion in model container [2018-11-23 09:32:39,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:39" (3/3) ... [2018-11-23 09:32:39,522 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-23 09:32:39,529 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:32:39,535 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:32:39,545 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:32:39,568 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:32:39,568 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:32:39,568 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:32:39,569 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:32:39,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:32:39,569 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:32:39,569 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:32:39,569 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:32:39,569 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:32:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-11-23 09:32:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 09:32:39,593 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:39,593 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:39,596 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:39,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:39,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1438635826, now seen corresponding path program 1 times [2018-11-23 09:32:39,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:39,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:39,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:39,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:39,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:39,792 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 09:32:39,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:39,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 09:32:39,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 09:32:39,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 09:32:39,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:32:39,807 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-11-23 09:32:39,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:39,838 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2018-11-23 09:32:39,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 09:32:39,839 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 09:32:39,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:39,849 INFO L225 Difference]: With dead ends: 314 [2018-11-23 09:32:39,849 INFO L226 Difference]: Without dead ends: 159 [2018-11-23 09:32:39,853 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 09:32:39,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-23 09:32:39,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-23 09:32:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-23 09:32:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-11-23 09:32:39,894 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2018-11-23 09:32:39,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:39,894 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-11-23 09:32:39,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 09:32:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-11-23 09:32:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 09:32:39,896 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:39,897 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 09:32:39,897 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:39,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:39,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2066845612, now seen corresponding path program 1 times [2018-11-23 09:32:39,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:39,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:39,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:39,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:39,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:39,976 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 09:32:39,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:39,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:32:39,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:32:39,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:32:39,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:32:39,979 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-11-23 09:32:39,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:39,998 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-11-23 09:32:39,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:32:40,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 09:32:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:40,001 INFO L225 Difference]: With dead ends: 259 [2018-11-23 09:32:40,001 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 09:32:40,002 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 09:32:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 09:32:40,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 09:32:40,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 09:32:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-11-23 09:32:40,017 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2018-11-23 09:32:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:40,018 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-11-23 09:32:40,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:32:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-11-23 09:32:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 09:32:40,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:40,020 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:40,020 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:40,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:40,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1429957542, now seen corresponding path program 1 times [2018-11-23 09:32:40,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:40,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:40,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:40,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:40,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:40,129 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 09:32:40,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:40,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:32:40,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:32:40,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:32:40,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:32:40,130 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-11-23 09:32:40,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:40,383 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2018-11-23 09:32:40,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:32:40,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 09:32:40,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:40,385 INFO L225 Difference]: With dead ends: 272 [2018-11-23 09:32:40,385 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 09:32:40,386 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 09:32:40,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 09:32:40,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 09:32:40,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 09:32:40,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-11-23 09:32:40,400 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2018-11-23 09:32:40,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:40,400 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-11-23 09:32:40,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:32:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-11-23 09:32:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 09:32:40,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:40,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:40,405 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:40,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:40,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1157434000, now seen corresponding path program 1 times [2018-11-23 09:32:40,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:40,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:40,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:40,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:40,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:40,503 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 09:32:40,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:40,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:32:40,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 09:32:40,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 09:32:40,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:32:40,505 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 5 states. [2018-11-23 09:32:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:40,969 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2018-11-23 09:32:40,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:32:40,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-23 09:32:40,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:40,971 INFO L225 Difference]: With dead ends: 388 [2018-11-23 09:32:40,971 INFO L226 Difference]: Without dead ends: 266 [2018-11-23 09:32:40,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:32:40,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-23 09:32:40,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 247. [2018-11-23 09:32:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-23 09:32:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2018-11-23 09:32:40,995 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2018-11-23 09:32:40,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:40,995 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2018-11-23 09:32:40,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 09:32:40,995 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2018-11-23 09:32:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 09:32:40,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:40,997 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 09:32:40,998 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:40,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:40,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1794259625, now seen corresponding path program 1 times [2018-11-23 09:32:40,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:40,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:40,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:40,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:40,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:41,105 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 09:32:41,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:41,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:32:41,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:32:41,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:32:41,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:32:41,108 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 6 states. [2018-11-23 09:32:41,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:41,241 INFO L93 Difference]: Finished difference Result 667 states and 782 transitions. [2018-11-23 09:32:41,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:32:41,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 09:32:41,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:41,248 INFO L225 Difference]: With dead ends: 667 [2018-11-23 09:32:41,248 INFO L226 Difference]: Without dead ends: 448 [2018-11-23 09:32:41,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:32:41,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-11-23 09:32:41,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2018-11-23 09:32:41,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-11-23 09:32:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2018-11-23 09:32:41,281 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2018-11-23 09:32:41,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:41,282 INFO L480 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2018-11-23 09:32:41,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:32:41,282 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2018-11-23 09:32:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 09:32:41,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:41,284 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:41,284 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:41,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:41,284 INFO L82 PathProgramCache]: Analyzing trace with hash -465119795, now seen corresponding path program 1 times [2018-11-23 09:32:41,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:41,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:41,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:41,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:41,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:41,379 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 09:32:41,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:41,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:32:41,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:32:41,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:32:41,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:32:41,381 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 7 states. [2018-11-23 09:32:41,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:41,818 INFO L93 Difference]: Finished difference Result 887 states and 1036 transitions. [2018-11-23 09:32:41,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 09:32:41,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-23 09:32:41,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:41,822 INFO L225 Difference]: With dead ends: 887 [2018-11-23 09:32:41,822 INFO L226 Difference]: Without dead ends: 473 [2018-11-23 09:32:41,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 09:32:41,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-11-23 09:32:41,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 441. [2018-11-23 09:32:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-11-23 09:32:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2018-11-23 09:32:41,850 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2018-11-23 09:32:41,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:41,850 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2018-11-23 09:32:41,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:32:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2018-11-23 09:32:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 09:32:41,852 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:41,853 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:41,854 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:41,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:41,854 INFO L82 PathProgramCache]: Analyzing trace with hash -712209462, now seen corresponding path program 1 times [2018-11-23 09:32:41,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:41,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:41,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:41,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:41,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:32:41,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:41,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:32:41,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:32:41,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:32:41,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:32:41,929 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 6 states. [2018-11-23 09:32:41,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:41,980 INFO L93 Difference]: Finished difference Result 868 states and 1010 transitions. [2018-11-23 09:32:41,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:32:41,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-23 09:32:41,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:41,985 INFO L225 Difference]: With dead ends: 868 [2018-11-23 09:32:41,985 INFO L226 Difference]: Without dead ends: 455 [2018-11-23 09:32:41,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:32:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-11-23 09:32:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2018-11-23 09:32:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-11-23 09:32:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2018-11-23 09:32:42,027 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2018-11-23 09:32:42,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:42,027 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2018-11-23 09:32:42,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:32:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2018-11-23 09:32:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 09:32:42,029 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:42,029 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:42,029 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:42,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:42,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1226952584, now seen corresponding path program 1 times [2018-11-23 09:32:42,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:42,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:42,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:42,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:42,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:32:42,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:42,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 09:32:42,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:32:42,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:32:42,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:32:42,109 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 8 states. [2018-11-23 09:32:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:42,153 INFO L93 Difference]: Finished difference Result 888 states and 1032 transitions. [2018-11-23 09:32:42,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:32:42,156 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-11-23 09:32:42,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:42,159 INFO L225 Difference]: With dead ends: 888 [2018-11-23 09:32:42,159 INFO L226 Difference]: Without dead ends: 465 [2018-11-23 09:32:42,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:32:42,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-23 09:32:42,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2018-11-23 09:32:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-11-23 09:32:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2018-11-23 09:32:42,187 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2018-11-23 09:32:42,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:42,188 INFO L480 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2018-11-23 09:32:42,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:32:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2018-11-23 09:32:42,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 09:32:42,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:42,189 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:42,190 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:42,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:42,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1996122599, now seen corresponding path program 1 times [2018-11-23 09:32:42,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:42,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:42,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:42,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:42,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:32:42,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:32:42,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 09:32:42,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 09:32:42,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 09:32:42,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:32:42,266 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 4 states. [2018-11-23 09:32:42,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:42,413 INFO L93 Difference]: Finished difference Result 1362 states and 1616 transitions. [2018-11-23 09:32:42,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 09:32:42,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-23 09:32:42,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:42,417 INFO L225 Difference]: With dead ends: 1362 [2018-11-23 09:32:42,417 INFO L226 Difference]: Without dead ends: 931 [2018-11-23 09:32:42,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:32:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2018-11-23 09:32:42,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 916. [2018-11-23 09:32:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2018-11-23 09:32:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1065 transitions. [2018-11-23 09:32:42,449 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1065 transitions. Word has length 109 [2018-11-23 09:32:42,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:42,450 INFO L480 AbstractCegarLoop]: Abstraction has 916 states and 1065 transitions. [2018-11-23 09:32:42,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 09:32:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1065 transitions. [2018-11-23 09:32:42,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 09:32:42,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:42,452 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:42,452 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:42,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:42,453 INFO L82 PathProgramCache]: Analyzing trace with hash -805538195, now seen corresponding path program 1 times [2018-11-23 09:32:42,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:42,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:42,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:42,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:42,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 09:32:42,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:32:42,565 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/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 09:32:42,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:42,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:32:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:32:42,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 09:32:42,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 09:32:42,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 09:32:42,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 09:32:42,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 09:32:42,814 INFO L87 Difference]: Start difference. First operand 916 states and 1065 transitions. Second operand 19 states. [2018-11-23 09:32:43,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:43,658 INFO L93 Difference]: Finished difference Result 1771 states and 2082 transitions. [2018-11-23 09:32:43,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 09:32:43,658 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 113 [2018-11-23 09:32:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:43,661 INFO L225 Difference]: With dead ends: 1771 [2018-11-23 09:32:43,661 INFO L226 Difference]: Without dead ends: 883 [2018-11-23 09:32:43,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 09:32:43,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2018-11-23 09:32:43,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 883. [2018-11-23 09:32:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2018-11-23 09:32:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1011 transitions. [2018-11-23 09:32:43,694 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1011 transitions. Word has length 113 [2018-11-23 09:32:43,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:43,695 INFO L480 AbstractCegarLoop]: Abstraction has 883 states and 1011 transitions. [2018-11-23 09:32:43,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 09:32:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1011 transitions. [2018-11-23 09:32:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 09:32:43,697 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:43,697 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:32:43,698 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:43,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:43,698 INFO L82 PathProgramCache]: Analyzing trace with hash 213120395, now seen corresponding path program 1 times [2018-11-23 09:32:43,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:43,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:43,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:43,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:43,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:32:43,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:32:43,781 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/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 09:32:43,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:43,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:32:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:32:43,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 09:32:43,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-23 09:32:43,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:32:43,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:32:43,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:32:43,937 INFO L87 Difference]: Start difference. First operand 883 states and 1011 transitions. Second operand 6 states. [2018-11-23 09:32:44,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:44,565 INFO L93 Difference]: Finished difference Result 1911 states and 2289 transitions. [2018-11-23 09:32:44,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:32:44,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-11-23 09:32:44,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:44,571 INFO L225 Difference]: With dead ends: 1911 [2018-11-23 09:32:44,571 INFO L226 Difference]: Without dead ends: 1194 [2018-11-23 09:32:44,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-23 09:32:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2018-11-23 09:32:44,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1081. [2018-11-23 09:32:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-11-23 09:32:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1256 transitions. [2018-11-23 09:32:44,636 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1256 transitions. Word has length 187 [2018-11-23 09:32:44,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:44,636 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1256 transitions. [2018-11-23 09:32:44,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:32:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1256 transitions. [2018-11-23 09:32:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 09:32:44,639 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:32:44,640 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:32:44,640 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:32:44,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:32:44,640 INFO L82 PathProgramCache]: Analyzing trace with hash -351885307, now seen corresponding path program 1 times [2018-11-23 09:32:44,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:32:44,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:32:44,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:44,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:44,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:32:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 09:32:44,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:32:44,754 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/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 09:32:44,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:32:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:32:44,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:32:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 09:32:45,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 09:32:45,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 09:32:45,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 09:32:45,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 09:32:45,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 09:32:45,031 INFO L87 Difference]: Start difference. First operand 1081 states and 1256 transitions. Second operand 19 states. [2018-11-23 09:32:45,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:32:45,815 INFO L93 Difference]: Finished difference Result 1861 states and 2199 transitions. [2018-11-23 09:32:45,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 09:32:45,816 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 183 [2018-11-23 09:32:45,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:32:45,817 INFO L225 Difference]: With dead ends: 1861 [2018-11-23 09:32:45,817 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:32:45,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 09:32:45,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:32:45,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:32:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:32:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:32:45,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-11-23 09:32:45,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:32:45,822 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:32:45,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 09:32:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:32:45,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:32:45,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:32:45,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:45,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:32:46,419 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 16 [2018-11-23 09:32:47,905 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 29 [2018-11-23 09:32:48,073 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2018-11-23 09:32:48,073 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2018-11-23 09:32:48,073 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2018-11-23 09:32:48,073 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2018-11-23 09:32:48,073 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2018-11-23 09:32:48,073 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,073 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-23 09:32:48,073 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,074 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,074 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-23 09:32:48,074 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-23 09:32:48,074 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 09:32:48,074 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,074 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,074 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,074 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-23 09:32:48,074 INFO L444 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-23 09:32:48,074 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2018-11-23 09:32:48,074 INFO L444 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-23 09:32:48,075 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,075 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2018-11-23 09:32:48,075 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-23 09:32:48,075 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2018-11-23 09:32:48,075 INFO L451 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2018-11-23 09:32:48,075 INFO L448 ceAbstractionStarter]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2018-11-23 09:32:48,076 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,076 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2018-11-23 09:32:48,076 INFO L451 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2018-11-23 09:32:48,076 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2018-11-23 09:32:48,077 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,077 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2018-11-23 09:32:48,077 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2018-11-23 09:32:48,077 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2018-11-23 09:32:48,077 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-23 09:32:48,077 INFO L444 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-23 09:32:48,077 INFO L448 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2018-11-23 09:32:48,077 INFO L444 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-23 09:32:48,077 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,077 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2018-11-23 09:32:48,077 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-11-23 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2018-11-23 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2018-11-23 09:32:48,078 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:32:48,078 INFO L444 ceAbstractionStarter]: At program point L764(lines 715 765) 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 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-11-23 09:32:48,078 INFO L444 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-11-23 09:32:48,079 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-11-23 09:32:48,079 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-11-23 09:32:48,079 INFO L444 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-23 09:32:48,079 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-11-23 09:32:48,079 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L451 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-11-23 09:32:48,080 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-11-23 09:32:48,080 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: true [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2018-11-23 09:32:48,081 INFO L444 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,081 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:32:48,081 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2018-11-23 09:32:48,081 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= activatePump_~tmp~9 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2018-11-23 09:32:48,081 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 09:32:48,081 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 989) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L451 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2018-11-23 09:32:48,082 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2018-11-23 09:32:48,083 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse3))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-23 09:32:48,083 INFO L444 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= 0 ~pumpRunning~0))) (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (and .cse4 .cse5)) (.cse3 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse1))) (or (and .cse5 .cse0) (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3)))) [2018-11-23 09:32:48,083 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,083 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,083 INFO L448 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2018-11-23 09:32:48,083 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2018-11-23 09:32:48,083 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2018-11-23 09:32:48,083 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-11-23 09:32:48,083 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-23 09:32:48,083 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-23 09:32:48,083 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-23 09:32:48,084 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-23 09:32:48,084 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-23 09:32:48,084 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-23 09:32:48,084 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-23 09:32:48,084 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-23 09:32:48,084 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 09:32:48,084 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 09:32:48,084 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-11-23 09:32:48,084 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-11-23 09:32:48,084 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-23 09:32:48,084 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-23 09:32:48,084 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:32:48,084 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)) [2018-11-23 09:32:48,084 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:32:48,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:32:48,085 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,085 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-23 09:32:48,085 INFO L448 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2018-11-23 09:32:48,085 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2018-11-23 09:32:48,085 INFO L444 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-11-23 09:32:48,085 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-23 09:32:48,085 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2018-11-23 09:32:48,085 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-23 09:32:48,085 INFO L448 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-11-23 09:32:48,085 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2018-11-23 09:32:48,085 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2018-11-23 09:32:48,086 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse1 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,086 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2018-11-23 09:32:48,086 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2018-11-23 09:32:48,086 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-11-23 09:32:48,086 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:32:48,086 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-11-23 09:32:48,086 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-11-23 09:32:48,086 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-11-23 09:32:48,086 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-11-23 09:32:48,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:48 BoogieIcfgContainer [2018-11-23 09:32:48,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:32:48,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:32:48,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:32:48,098 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:32:48,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:39" (3/4) ... [2018-11-23 09:32:48,101 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:32:48,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 09:32:48,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 09:32:48,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:32:48,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:32:48,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 09:32:48,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 09:32:48,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 09:32:48,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 09:32:48,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 09:32:48,116 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 09:32:48,117 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 09:32:48,117 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:32:48,117 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 09:32:48,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 09:32:48,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:32:48,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:32:48,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) [2018-11-23 09:32:48,143 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 09:32:48,181 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_15b4a923-b1d8-4b6b-8166-54150a87321a/bin-2019/uautomizer/witness.graphml [2018-11-23 09:32:48,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:32:48,182 INFO L168 Benchmark]: Toolchain (without parser) took 9620.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 334.5 MB). Free memory was 955.5 MB in the beginning and 900.2 MB in the end (delta: 55.3 MB). Peak memory consumption was 389.8 MB. Max. memory is 11.5 GB. [2018-11-23 09:32:48,182 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:32:48,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:32:48,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 09:32:48,183 INFO L168 Benchmark]: Boogie Preprocessor took 29.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:32:48,183 INFO L168 Benchmark]: RCFGBuilder took 512.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:32:48,184 INFO L168 Benchmark]: TraceAbstraction took 8579.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 204.5 MB). Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 151.3 MB). Peak memory consumption was 355.8 MB. Max. memory is 11.5 GB. [2018-11-23 09:32:48,184 INFO L168 Benchmark]: Witness Printer took 83.68 ms. Allocated memory is still 1.4 GB. Free memory was 910.1 MB in the beginning and 900.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:32:48,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 512.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8579.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 204.5 MB). Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 151.3 MB). Peak memory consumption was 355.8 MB. Max. memory is 11.5 GB. * Witness Printer took 83.68 ms. Allocated memory is still 1.4 GB. Free memory was 910.1 MB in the beginning and 900.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2595 SDtfs, 2035 SDslu, 8343 SDs, 0 SdLazy, 3956 SolverSat, 697 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 527 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1081occurred in iteration=11, 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: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 195 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2520 PreInvPairs, 2660 NumberOfFragments, 1631 HoareAnnotationTreeSize, 2520 FomulaSimplifications, 6663 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 13320 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1710 NumberOfCodeBlocks, 1710 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1695 ConstructedInterpolants, 0 QuantifiedInterpolants, 341951 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2755 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 225/235 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...