./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:39:23,729 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:39:23,730 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:39:23,736 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:39:23,736 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:39:23,737 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:39:23,738 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:39:23,739 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:39:23,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:39:23,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:39:23,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:39:23,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:39:23,741 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:39:23,742 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:39:23,742 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:39:23,743 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:39:23,743 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:39:23,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:39:23,745 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:39:23,746 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:39:23,747 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:39:23,747 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:39:23,749 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:39:23,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:39:23,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:39:23,750 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:39:23,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:39:23,751 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:39:23,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:39:23,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:39:23,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:39:23,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:39:23,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:39:23,752 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:39:23,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:39:23,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:39:23,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:39:23,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:39:23,762 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:39:23,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:39:23,762 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:39:23,762 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:39:23,762 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:39:23,762 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:39:23,762 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:39:23,763 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:39:23,763 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:39:23,763 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:39:23,763 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:39:23,763 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:39:23,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:39:23,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:39:23,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:39:23,764 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:39:23,764 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:39:23,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:39:23,765 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan 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 -> Taipan 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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-12-02 13:39:23,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:39:23,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:39:23,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:39:23,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:39:23,797 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:39:23,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-02 13:39:23,839 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/data/d62d90620/8de22967d86445848c2d8ce084cc3282/FLAGdc2e714d4 [2018-12-02 13:39:24,327 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:39:24,327 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-02 13:39:24,334 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/data/d62d90620/8de22967d86445848c2d8ce084cc3282/FLAGdc2e714d4 [2018-12-02 13:39:24,817 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/data/d62d90620/8de22967d86445848c2d8ce084cc3282 [2018-12-02 13:39:24,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:39:24,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:39:24,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:39:24,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:39:24,822 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:39:24,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:24" (1/1) ... [2018-12-02 13:39:24,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:24, skipping insertion in model container [2018-12-02 13:39:24,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:24" (1/1) ... [2018-12-02 13:39:24,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:39:24,853 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:39:25,017 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:39:25,063 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:39:25,107 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:39:25,123 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:39:25,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25 WrapperNode [2018-12-02 13:39:25,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:39:25,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:39:25,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:39:25,125 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:39:25,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:39:25,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:39:25,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:39:25,147 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:39:25,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... [2018-12-02 13:39:25,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:39:25,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:39:25,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:39:25,171 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:39:25,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/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 [2018-12-02 13:39:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 13:39:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 13:39:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:39:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:39:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:39:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 13:39:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 13:39:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 13:39:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 13:39:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 13:39:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 13:39:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 13:39:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 13:39:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 13:39:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 13:39:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 13:39:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 13:39:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 13:39:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 13:39:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 13:39:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 13:39:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 13:39:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 13:39:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 13:39:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 13:39:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 13:39:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 13:39:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 13:39:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 13:39:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 13:39:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 13:39:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 13:39:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 13:39:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 13:39:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 13:39:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 13:39:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 13:39:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 13:39:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 13:39:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 13:39:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 13:39:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 13:39:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 13:39:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 13:39:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 13:39:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 13:39:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 13:39:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 13:39:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 13:39:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:39:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:39:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:39:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 13:39:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 13:39:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 13:39:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 13:39:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:39:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:39:25,504 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:39:25,504 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 13:39:25,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:25 BoogieIcfgContainer [2018-12-02 13:39:25,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:39:25,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:39:25,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:39:25,507 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:39:25,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:39:24" (1/3) ... [2018-12-02 13:39:25,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289bf0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:25, skipping insertion in model container [2018-12-02 13:39:25,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:25" (2/3) ... [2018-12-02 13:39:25,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289bf0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:25, skipping insertion in model container [2018-12-02 13:39:25,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:25" (3/3) ... [2018-12-02 13:39:25,509 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-02 13:39:25,516 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:39:25,520 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:39:25,530 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:39:25,549 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:39:25,550 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:39:25,550 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:39:25,550 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:39:25,550 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:39:25,550 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:39:25,550 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:39:25,550 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:39:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-02 13:39:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 13:39:25,568 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:25,568 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] [2018-12-02 13:39:25,570 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:25,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:25,573 INFO L82 PathProgramCache]: Analyzing trace with hash 260930450, now seen corresponding path program 1 times [2018-12-02 13:39:25,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:25,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:25,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:25,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:25,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:25,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:25,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 13:39:25,715 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:25,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 13:39:25,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 13:39:25,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:39:25,727 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-02 13:39:25,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:25,749 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-12-02 13:39:25,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:39:25,750 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 13:39:25,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:25,756 INFO L225 Difference]: With dead ends: 260 [2018-12-02 13:39:25,756 INFO L226 Difference]: Without dead ends: 132 [2018-12-02 13:39:25,759 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 [2018-12-02 13:39:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-02 13:39:25,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-02 13:39:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-02 13:39:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-12-02 13:39:25,788 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2018-12-02 13:39:25,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:25,788 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-12-02 13:39:25,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 13:39:25,789 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-12-02 13:39:25,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 13:39:25,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:25,790 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] [2018-12-02 13:39:25,791 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:25,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:25,791 INFO L82 PathProgramCache]: Analyzing trace with hash -5097234, now seen corresponding path program 1 times [2018-12-02 13:39:25,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:25,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:25,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:25,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:25,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:25,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:25,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:39:25,845 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:25,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:39:25,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:39:25,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:39:25,847 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-12-02 13:39:25,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:25,860 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-12-02 13:39:25,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:39:25,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 13:39:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:25,861 INFO L225 Difference]: With dead ends: 205 [2018-12-02 13:39:25,861 INFO L226 Difference]: Without dead ends: 123 [2018-12-02 13:39:25,862 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 [2018-12-02 13:39:25,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-02 13:39:25,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-02 13:39:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-02 13:39:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-02 13:39:25,870 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2018-12-02 13:39:25,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:25,870 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-02 13:39:25,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:39:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-02 13:39:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 13:39:25,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:25,872 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] [2018-12-02 13:39:25,872 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:25,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:25,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972056, now seen corresponding path program 1 times [2018-12-02 13:39:25,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:25,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:25,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:25,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:25,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:25,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:25,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:39:25,948 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:25,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:39:25,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:39:25,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:39:25,949 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-12-02 13:39:26,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:26,132 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-12-02 13:39:26,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:39:26,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 13:39:26,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:26,133 INFO L225 Difference]: With dead ends: 218 [2018-12-02 13:39:26,134 INFO L226 Difference]: Without dead ends: 123 [2018-12-02 13:39:26,134 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 [2018-12-02 13:39:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-02 13:39:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-02 13:39:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-02 13:39:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-12-02 13:39:26,142 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2018-12-02 13:39:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:26,142 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-12-02 13:39:26,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:39:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-12-02 13:39:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 13:39:26,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:26,143 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] [2018-12-02 13:39:26,143 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:26,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:26,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1851907157, now seen corresponding path program 1 times [2018-12-02 13:39:26,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:26,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:26,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:26,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:26,145 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:26,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:26,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:39:26,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:26,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 13:39:26,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:39:26,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:39:26,207 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2018-12-02 13:39:26,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:26,530 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2018-12-02 13:39:26,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:39:26,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 13:39:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:26,532 INFO L225 Difference]: With dead ends: 319 [2018-12-02 13:39:26,533 INFO L226 Difference]: Without dead ends: 224 [2018-12-02 13:39:26,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:39:26,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-12-02 13:39:26,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2018-12-02 13:39:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-02 13:39:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-12-02 13:39:26,556 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2018-12-02 13:39:26,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:26,557 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-12-02 13:39:26,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 13:39:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-12-02 13:39:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 13:39:26,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:26,559 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] [2018-12-02 13:39:26,560 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:26,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:26,560 INFO L82 PathProgramCache]: Analyzing trace with hash 127778148, now seen corresponding path program 1 times [2018-12-02 13:39:26,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:26,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:26,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:26,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:26,561 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:26,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:26,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:39:26,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:26,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:39:26,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:39:26,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:39:26,652 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2018-12-02 13:39:26,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:26,777 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2018-12-02 13:39:26,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 13:39:26,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 13:39:26,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:26,780 INFO L225 Difference]: With dead ends: 541 [2018-12-02 13:39:26,780 INFO L226 Difference]: Without dead ends: 364 [2018-12-02 13:39:26,781 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 [2018-12-02 13:39:26,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-02 13:39:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2018-12-02 13:39:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-12-02 13:39:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2018-12-02 13:39:26,801 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2018-12-02 13:39:26,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:26,801 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2018-12-02 13:39:26,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:39:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2018-12-02 13:39:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 13:39:26,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:26,802 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] [2018-12-02 13:39:26,803 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:26,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:26,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1375705536, now seen corresponding path program 1 times [2018-12-02 13:39:26,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:26,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:26,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:26,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:26,804 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:26,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:26,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:39:26,870 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:26,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:39:26,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:39:26,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:39:26,871 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2018-12-02 13:39:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:27,164 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2018-12-02 13:39:27,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 13:39:27,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-02 13:39:27,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:27,167 INFO L225 Difference]: With dead ends: 719 [2018-12-02 13:39:27,167 INFO L226 Difference]: Without dead ends: 389 [2018-12-02 13:39:27,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 13:39:27,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-12-02 13:39:27,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2018-12-02 13:39:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-12-02 13:39:27,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2018-12-02 13:39:27,189 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2018-12-02 13:39:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:27,189 INFO L480 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2018-12-02 13:39:27,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:39:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2018-12-02 13:39:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 13:39:27,190 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:27,190 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] [2018-12-02 13:39:27,191 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:27,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:27,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1659091839, now seen corresponding path program 1 times [2018-12-02 13:39:27,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:27,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:27,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:27,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:27,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:39:27,244 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:27,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:39:27,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:39:27,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:39:27,245 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2018-12-02 13:39:27,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:27,274 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2018-12-02 13:39:27,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:39:27,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-02 13:39:27,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:27,275 INFO L225 Difference]: With dead ends: 696 [2018-12-02 13:39:27,276 INFO L226 Difference]: Without dead ends: 367 [2018-12-02 13:39:27,276 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 [2018-12-02 13:39:27,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-12-02 13:39:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-12-02 13:39:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-02 13:39:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-12-02 13:39:27,288 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2018-12-02 13:39:27,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:27,289 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-12-02 13:39:27,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:39:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-12-02 13:39:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 13:39:27,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:27,290 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:39:27,290 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:27,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:27,291 INFO L82 PathProgramCache]: Analyzing trace with hash -957491965, now seen corresponding path program 1 times [2018-12-02 13:39:27,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:27,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:27,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:27,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:27,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 13:39:27,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:27,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 13:39:27,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 13:39:27,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:39:27,348 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2018-12-02 13:39:27,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:27,369 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2018-12-02 13:39:27,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 13:39:27,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-02 13:39:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:27,370 INFO L225 Difference]: With dead ends: 720 [2018-12-02 13:39:27,370 INFO L226 Difference]: Without dead ends: 381 [2018-12-02 13:39:27,371 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 [2018-12-02 13:39:27,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-02 13:39:27,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-12-02 13:39:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-12-02 13:39:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2018-12-02 13:39:27,382 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2018-12-02 13:39:27,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:27,382 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2018-12-02 13:39:27,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 13:39:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2018-12-02 13:39:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 13:39:27,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:27,383 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] [2018-12-02 13:39:27,384 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:27,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:27,384 INFO L82 PathProgramCache]: Analyzing trace with hash 767988932, now seen corresponding path program 1 times [2018-12-02 13:39:27,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:27,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:27,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:27,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:27,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:39:27,417 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:27,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:39:27,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:39:27,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:39:27,418 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2018-12-02 13:39:27,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:27,542 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2018-12-02 13:39:27,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 13:39:27,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-02 13:39:27,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:27,546 INFO L225 Difference]: With dead ends: 1132 [2018-12-02 13:39:27,546 INFO L226 Difference]: Without dead ends: 785 [2018-12-02 13:39:27,547 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 [2018-12-02 13:39:27,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-12-02 13:39:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2018-12-02 13:39:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-12-02 13:39:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2018-12-02 13:39:27,579 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2018-12-02 13:39:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:27,579 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2018-12-02 13:39:27,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:39:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2018-12-02 13:39:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 13:39:27,581 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:27,581 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] [2018-12-02 13:39:27,581 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:27,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:27,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1891514934, now seen corresponding path program 1 times [2018-12-02 13:39:27,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:27,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:27,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:27,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:39:27,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:39:27,623 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:27,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:39:27,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:39:27,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:39:27,624 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2018-12-02 13:39:27,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:27,658 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2018-12-02 13:39:27,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:39:27,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-02 13:39:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:27,662 INFO L225 Difference]: With dead ends: 776 [2018-12-02 13:39:27,662 INFO L226 Difference]: Without dead ends: 773 [2018-12-02 13:39:27,662 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:39:27,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-02 13:39:27,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2018-12-02 13:39:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-12-02 13:39:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2018-12-02 13:39:27,700 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2018-12-02 13:39:27,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:27,700 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2018-12-02 13:39:27,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:39:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2018-12-02 13:39:27,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 13:39:27,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:27,703 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:39:27,704 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:27,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:27,704 INFO L82 PathProgramCache]: Analyzing trace with hash -891413890, now seen corresponding path program 1 times [2018-12-02 13:39:27,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:27,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:27,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:27,705 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 13:39:27,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:39:27,832 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:39:27,833 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-02 13:39:27,835 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [24], [26], [27], [30], [34], [35], [36], [39], [41], [47], [51], [54], [55], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [95], [98], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [185], [188], [192], [198], [199], [200], [203], [207], [208], [214], [217], [219], [222], [229], [232], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [254], [255], [257], [258], [259], [260], [263], [264], [265], [266], [267], [268], [269], [270], [273], [274], [277], [278], [279], [280], [281], [283], [284], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [305], [306] [2018-12-02 13:39:27,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:39:27,866 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:39:29,162 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:39:29,163 INFO L272 AbstractInterpreter]: Visited 121 different actions 598 times. Merged at 18 different actions 55 times. Never widened. Performed 26215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 26215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-02 13:39:29,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:29,169 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:39:29,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:39:29,169 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/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 [2018-12-02 13:39:29,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:29,176 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:39:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:29,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:39:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 13:39:29,407 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:39:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 13:39:29,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 13:39:29,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 13:39:29,687 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:29,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 13:39:29,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 13:39:29,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 13:39:29,688 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 8 states. [2018-12-02 13:39:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:29,887 INFO L93 Difference]: Finished difference Result 1212 states and 1390 transitions. [2018-12-02 13:39:29,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 13:39:29,887 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-02 13:39:29,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:29,889 INFO L225 Difference]: With dead ends: 1212 [2018-12-02 13:39:29,889 INFO L226 Difference]: Without dead ends: 593 [2018-12-02 13:39:29,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 13:39:29,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-02 13:39:29,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 564. [2018-12-02 13:39:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-02 13:39:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 634 transitions. [2018-12-02 13:39:29,914 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 634 transitions. Word has length 152 [2018-12-02 13:39:29,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:29,914 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 634 transitions. [2018-12-02 13:39:29,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 13:39:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 634 transitions. [2018-12-02 13:39:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 13:39:29,916 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:39:29,917 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:39:29,917 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:39:29,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:29,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1898100891, now seen corresponding path program 1 times [2018-12-02 13:39:29,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:39:29,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:29,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:29,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:39:29,918 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:39:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 13:39:29,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:39:29,986 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:39:29,986 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-02 13:39:29,987 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [30], [34], [35], [36], [51], [54], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [95], [98], [108], [110], [113], [115], [118], [121], [124], [132], [133], [134], [135], [136], [137], [138], [139], [141], [146], [148], [149], [154], [156], [188], [192], [198], [199], [200], [208], [214], [217], [219], [222], [232], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [254], [255], [265], [266], [267], [268], [269], [270], [273], [274], [277], [278], [279], [280], [281], [283], [284], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302] [2018-12-02 13:39:29,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:39:29,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:39:30,514 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:39:30,514 INFO L272 AbstractInterpreter]: Visited 100 different actions 341 times. Merged at 14 different actions 34 times. Never widened. Performed 15696 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15696 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 135 variables. [2018-12-02 13:39:30,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:39:30,526 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:39:30,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:39:30,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/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 [2018-12-02 13:39:30,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:39:30,533 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:39:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:39:30,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:39:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:39:30,652 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:39:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 13:39:30,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 13:39:30,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-02 13:39:30,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:39:30,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:39:30,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:39:30,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:39:30,798 INFO L87 Difference]: Start difference. First operand 564 states and 634 transitions. Second operand 3 states. [2018-12-02 13:39:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:39:30,840 INFO L93 Difference]: Finished difference Result 909 states and 1031 transitions. [2018-12-02 13:39:30,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:39:30,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-12-02 13:39:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:39:30,841 INFO L225 Difference]: With dead ends: 909 [2018-12-02 13:39:30,841 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 13:39:30,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:39:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 13:39:30,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 13:39:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 13:39:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:39:30,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-12-02 13:39:30,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:39:30,843 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:39:30,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:39:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:39:30,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:39:30,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 13:39:30,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:30,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:39:31,288 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-02 13:39:31,395 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-12-02 13:39:31,611 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2018-12-02 13:39:32,129 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-12-02 13:39:32,910 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-12-02 13:39:33,478 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-12-02 13:39:33,478 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-12-02 13:39:33,478 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-02 13:39:33,478 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-12-02 13:39:33,478 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-02 13:39:33,478 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,478 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,478 INFO L444 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-12-02 13:39:33,479 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,479 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,479 INFO L444 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-12-02 13:39:33,479 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-12-02 13:39:33,479 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-12-02 13:39:33,480 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-12-02 13:39:33,480 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,480 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,480 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-12-02 13:39:33,480 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-12-02 13:39:33,480 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-12-02 13:39:33,480 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-12-02 13:39:33,480 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-12-02 13:39:33,480 INFO L451 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-12-02 13:39:33,480 INFO L448 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-12-02 13:39:33,480 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse0 (or (< ~methaneLevelCritical~0 1) .cse2)))) [2018-12-02 13:39:33,480 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-12-02 13:39:33,480 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-12-02 13:39:33,481 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-12-02 13:39:33,481 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-12-02 13:39:33,481 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-12-02 13:39:33,481 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-12-02 13:39:33,481 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 (or .cse1 .cse3)))) [2018-12-02 13:39:33,481 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-12-02 13:39:33,481 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-12-02 13:39:33,481 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse0 (or .cse1 .cse3)))) [2018-12-02 13:39:33,481 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse4 .cse1)))) [2018-12-02 13:39:33,481 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (or .cse5 .cse1) (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3)))) [2018-12-02 13:39:33,482 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-12-02 13:39:33,482 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse3 (or .cse5 .cse1)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 13:39:33,482 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-12-02 13:39:33,482 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-12-02 13:39:33,482 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-12-02 13:39:33,482 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-12-02 13:39:33,482 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,482 INFO L444 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-02 13:39:33,482 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-02 13:39:33,482 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-12-02 13:39:33,482 INFO L448 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L444 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L444 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-12-02 13:39:33,483 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-02 13:39:33,484 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-02 13:39:33,484 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-12-02 13:39:33,484 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-12-02 13:39:33,484 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-12-02 13:39:33,485 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-12-02 13:39:33,485 INFO L451 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-12-02 13:39:33,485 INFO L448 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 (or .cse6 .cse1) .cse7) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L451 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 13:39:33,486 INFO L451 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2018-12-02 13:39:33,486 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-12-02 13:39:33,486 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-12-02 13:39:33,487 INFO L451 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-12-02 13:39:33,487 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-12-02 13:39:33,487 INFO L444 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-12-02 13:39:33,487 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-02 13:39:33,487 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-12-02 13:39:33,487 INFO L448 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-12-02 13:39:33,487 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-12-02 13:39:33,487 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-12-02 13:39:33,487 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 13:39:33,488 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-12-02 13:39:33,488 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse1 .cse2) .cse3 .cse5) (or .cse3 .cse6 (or .cse4 .cse1) .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2018-12-02 13:39:33,488 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-12-02 13:39:33,489 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-02 13:39:33,489 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 13:39:33,489 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-12-02 13:39:33,489 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-12-02 13:39:33,489 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 13:39:33,489 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-12-02 13:39:33,489 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-12-02 13:39:33,489 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-12-02 13:39:33,489 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-02 13:39:33,489 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-12-02 13:39:33,489 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-12-02 13:39:33,490 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-12-02 13:39:33,490 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-02 13:39:33,490 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 13:39:33,490 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 13:39:33,490 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 13:39:33,490 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 13:39:33,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:39:33 BoogieIcfgContainer [2018-12-02 13:39:33,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:39:33,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:39:33,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:39:33,500 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:39:33,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:25" (3/4) ... [2018-12-02 13:39:33,504 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:39:33,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 13:39:33,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 13:39:33,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 13:39:33,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 13:39:33,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 13:39:33,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 13:39:33,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 13:39:33,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 13:39:33,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 13:39:33,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 13:39:33,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 13:39:33,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 13:39:33,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 13:39:33,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 13:39:33,515 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-02 13:39:33,516 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 13:39:33,516 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 13:39:33,516 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 13:39:33,516 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 13:39:33,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 13:39:33,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-02 13:39:33,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 13:39:33,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a2d2734d-bd90-4871-9873-fd718de590e8/bin-2019/utaipan/witness.graphml [2018-12-02 13:39:33,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:39:33,554 INFO L168 Benchmark]: Toolchain (without parser) took 8734.78 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 621.3 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -295.9 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:39:33,554 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:39:33,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:39:33,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:39:33,555 INFO L168 Benchmark]: Boogie Preprocessor took 24.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:39:33,555 INFO L168 Benchmark]: RCFGBuilder took 333.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:39:33,555 INFO L168 Benchmark]: TraceAbstraction took 7994.97 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 513.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -227.6 MB). Peak memory consumption was 592.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:39:33,555 INFO L168 Benchmark]: Witness Printer took 53.40 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:39:33,556 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 333.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7994.97 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 513.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -227.6 MB). Peak memory consumption was 592.5 MB. Max. memory is 11.5 GB. * Witness Printer took 53.40 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1984 SDtfs, 976 SDslu, 3831 SDs, 0 SdLazy, 1240 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 727 GetRequests, 642 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1359 PreInvPairs, 1417 NumberOfFragments, 2538 HoareAnnotationTreeSize, 1359 FomulaSimplifications, 5885 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7260 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1658 ConstructedInterpolants, 0 QuantifiedInterpolants, 318276 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 275/291 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...