./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_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_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/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 b6539c3f80a02f7679497281344dc3da1a82da6c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:44:38,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:44:38,025 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:44:38,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:44:38,032 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:44:38,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:44:38,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:44:38,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:44:38,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:44:38,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:44:38,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:44:38,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:44:38,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:44:38,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:44:38,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:44:38,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:44:38,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:44:38,038 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:44:38,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:44:38,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:44:38,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:44:38,041 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:44:38,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:44:38,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:44:38,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:44:38,043 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:44:38,044 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:44:38,044 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:44:38,045 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:44:38,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:44:38,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:44:38,046 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:44:38,046 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:44:38,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:44:38,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:44:38,047 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:44:38,047 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 05:44:38,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:44:38,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:44:38,055 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 05:44:38,055 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 05:44:38,055 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 05:44:38,056 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 05:44:38,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:44:38,056 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:44:38,056 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:44:38,056 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:44:38,056 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:44:38,056 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:44:38,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:44:38,057 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:44:38,057 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:44:38,057 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:44:38,058 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:44:38,058 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 05:44:38,058 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:44:38,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:44:38,058 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 05:44:38,058 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_eb46261a-cd7a-4925-85b2-86faa3fbe7df/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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-12-02 05:44:38,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:44:38,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:44:38,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:44:38,089 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:44:38,089 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:44:38,090 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-02 05:44:38,129 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/data/e2449afe8/79de0f84f6804f14af59e991de99bab5/FLAG980afdad2 [2018-12-02 05:44:38,441 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:44:38,441 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-02 05:44:38,447 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/data/e2449afe8/79de0f84f6804f14af59e991de99bab5/FLAG980afdad2 [2018-12-02 05:44:38,455 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/data/e2449afe8/79de0f84f6804f14af59e991de99bab5 [2018-12-02 05:44:38,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:44:38,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:44:38,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:44:38,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:44:38,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:44:38,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38, skipping insertion in model container [2018-12-02 05:44:38,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:44:38,488 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:44:38,635 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:44:38,677 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:44:38,729 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:44:38,746 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:44:38,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38 WrapperNode [2018-12-02 05:44:38,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:44:38,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:44:38,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:44:38,747 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:44:38,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:44:38,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:44:38,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:44:38,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:44:38,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... [2018-12-02 05:44:38,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:44:38,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:44:38,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:44:38,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:44:38,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/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 05:44:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 05:44:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 05:44:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:44:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:44:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 05:44:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 05:44:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:44:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 05:44:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 05:44:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 05:44:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 05:44:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 05:44:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 05:44:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 05:44:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 05:44:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 05:44:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 05:44:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 05:44:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 05:44:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 05:44:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 05:44:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 05:44:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 05:44:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 05:44:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 05:44:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:44:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 05:44:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 05:44:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 05:44:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 05:44:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 05:44:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 05:44:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 05:44:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 05:44:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:44:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:44:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 05:44:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 05:44:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 05:44:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 05:44:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:44:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:44:39,135 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:44:39,136 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 05:44:39,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:39 BoogieIcfgContainer [2018-12-02 05:44:39,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:44:39,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:44:39,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:44:39,138 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:44:39,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:44:38" (1/3) ... [2018-12-02 05:44:39,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1445dcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:44:39, skipping insertion in model container [2018-12-02 05:44:39,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:38" (2/3) ... [2018-12-02 05:44:39,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1445dcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:44:39, skipping insertion in model container [2018-12-02 05:44:39,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:39" (3/3) ... [2018-12-02 05:44:39,140 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-12-02 05:44:39,147 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:44:39,152 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 05:44:39,161 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 05:44:39,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:44:39,181 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 05:44:39,181 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:44:39,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:44:39,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:44:39,181 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:44:39,181 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:44:39,181 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:44:39,194 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-12-02 05:44:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 05:44:39,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:39,200 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 05:44:39,201 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:39,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:39,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1067589969, now seen corresponding path program 1 times [2018-12-02 05:44:39,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:39,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:39,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:39,341 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 05:44:39,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:39,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 05:44:39,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:39,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 05:44:39,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 05:44:39,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:44:39,355 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-12-02 05:44:39,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:39,380 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2018-12-02 05:44:39,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 05:44:39,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 05:44:39,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:39,388 INFO L225 Difference]: With dead ends: 294 [2018-12-02 05:44:39,388 INFO L226 Difference]: Without dead ends: 149 [2018-12-02 05:44:39,391 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 05:44:39,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-02 05:44:39,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-02 05:44:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-02 05:44:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-12-02 05:44:39,423 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2018-12-02 05:44:39,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:39,423 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-12-02 05:44:39,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 05:44:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-12-02 05:44:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 05:44:39,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:39,425 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 05:44:39,425 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:39,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:39,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2075089646, now seen corresponding path program 1 times [2018-12-02 05:44:39,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:39,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:39,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:39,479 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 05:44:39,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:39,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 05:44:39,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:39,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:44:39,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:44:39,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 05:44:39,481 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-12-02 05:44:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:39,497 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-12-02 05:44:39,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:44:39,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 05:44:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:39,499 INFO L225 Difference]: With dead ends: 239 [2018-12-02 05:44:39,499 INFO L226 Difference]: Without dead ends: 140 [2018-12-02 05:44:39,499 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 05:44:39,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-02 05:44:39,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-02 05:44:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-02 05:44:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-12-02 05:44:39,507 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2018-12-02 05:44:39,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:39,507 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-12-02 05:44:39,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:44:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-12-02 05:44:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 05:44:39,508 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:39,509 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 05:44:39,509 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:39,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:39,509 INFO L82 PathProgramCache]: Analyzing trace with hash -2100916131, now seen corresponding path program 1 times [2018-12-02 05:44:39,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:39,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:39,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:39,585 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 05:44:39,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:39,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:44:39,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:39,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:44:39,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:44:39,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:44:39,586 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-12-02 05:44:39,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:39,774 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-12-02 05:44:39,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:44:39,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 05:44:39,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:39,776 INFO L225 Difference]: With dead ends: 252 [2018-12-02 05:44:39,776 INFO L226 Difference]: Without dead ends: 140 [2018-12-02 05:44:39,777 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 05:44:39,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-02 05:44:39,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-02 05:44:39,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-02 05:44:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-12-02 05:44:39,787 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2018-12-02 05:44:39,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:39,788 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-12-02 05:44:39,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:44:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-12-02 05:44:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 05:44:39,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:39,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:39,790 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:39,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:39,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1172130122, now seen corresponding path program 1 times [2018-12-02 05:44:39,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:39,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:39,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:39,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:39,876 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 05:44:39,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:39,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 05:44:39,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:39,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 05:44:39,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 05:44:39,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 05:44:39,877 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2018-12-02 05:44:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:40,164 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2018-12-02 05:44:40,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:44:40,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 05:44:40,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:40,167 INFO L225 Difference]: With dead ends: 355 [2018-12-02 05:44:40,167 INFO L226 Difference]: Without dead ends: 243 [2018-12-02 05:44:40,168 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 05:44:40,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-02 05:44:40,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-12-02 05:44:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-12-02 05:44:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-12-02 05:44:40,188 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2018-12-02 05:44:40,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:40,189 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-12-02 05:44:40,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 05:44:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-12-02 05:44:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 05:44:40,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:40,191 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 05:44:40,191 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:40,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:40,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1861075874, now seen corresponding path program 1 times [2018-12-02 05:44:40,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:40,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:40,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:40,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:40,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:40,263 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 05:44:40,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:40,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 05:44:40,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:40,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 05:44:40,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 05:44:40,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 05:44:40,264 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 4 states. [2018-12-02 05:44:40,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:40,407 INFO L93 Difference]: Finished difference Result 751 states and 913 transitions. [2018-12-02 05:44:40,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 05:44:40,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-12-02 05:44:40,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:40,410 INFO L225 Difference]: With dead ends: 751 [2018-12-02 05:44:40,410 INFO L226 Difference]: Without dead ends: 555 [2018-12-02 05:44:40,411 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 05:44:40,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-12-02 05:44:40,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2018-12-02 05:44:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-12-02 05:44:40,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 647 transitions. [2018-12-02 05:44:40,453 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 647 transitions. Word has length 84 [2018-12-02 05:44:40,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:40,454 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 647 transitions. [2018-12-02 05:44:40,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 05:44:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 647 transitions. [2018-12-02 05:44:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 05:44:40,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:40,455 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 05:44:40,455 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:40,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:40,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1408399423, now seen corresponding path program 1 times [2018-12-02 05:44:40,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:40,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:40,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:40,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:40,456 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:40,526 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 05:44:40,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:40,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:44:40,526 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:40,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:44:40,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:44:40,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:44:40,527 INFO L87 Difference]: Start difference. First operand 543 states and 647 transitions. Second operand 6 states. [2018-12-02 05:44:40,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:40,659 INFO L93 Difference]: Finished difference Result 1530 states and 1877 transitions. [2018-12-02 05:44:40,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 05:44:40,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 05:44:40,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:40,664 INFO L225 Difference]: With dead ends: 1530 [2018-12-02 05:44:40,664 INFO L226 Difference]: Without dead ends: 1015 [2018-12-02 05:44:40,666 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 05:44:40,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-12-02 05:44:40,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 999. [2018-12-02 05:44:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-12-02 05:44:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1184 transitions. [2018-12-02 05:44:40,717 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1184 transitions. Word has length 84 [2018-12-02 05:44:40,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:40,717 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1184 transitions. [2018-12-02 05:44:40,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:44:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1184 transitions. [2018-12-02 05:44:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 05:44:40,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:40,719 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 05:44:40,719 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:40,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:40,719 INFO L82 PathProgramCache]: Analyzing trace with hash 490036187, now seen corresponding path program 1 times [2018-12-02 05:44:40,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:40,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:40,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:40,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:40,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:40,794 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 05:44:40,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:40,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:44:40,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:40,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:44:40,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:44:40,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:44:40,795 INFO L87 Difference]: Start difference. First operand 999 states and 1184 transitions. Second operand 7 states. [2018-12-02 05:44:41,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:41,151 INFO L93 Difference]: Finished difference Result 2059 states and 2511 transitions. [2018-12-02 05:44:41,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 05:44:41,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-02 05:44:41,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:41,156 INFO L225 Difference]: With dead ends: 2059 [2018-12-02 05:44:41,156 INFO L226 Difference]: Without dead ends: 1088 [2018-12-02 05:44:41,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 05:44:41,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-12-02 05:44:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 996. [2018-12-02 05:44:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-12-02 05:44:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1175 transitions. [2018-12-02 05:44:41,211 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1175 transitions. Word has length 88 [2018-12-02 05:44:41,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:41,211 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1175 transitions. [2018-12-02 05:44:41,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:44:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1175 transitions. [2018-12-02 05:44:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 05:44:41,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:41,213 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:41,214 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:41,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:41,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1705163544, now seen corresponding path program 1 times [2018-12-02 05:44:41,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:41,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:41,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:41,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:41,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 05:44:41,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:41,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:44:41,253 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:41,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:44:41,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:44:41,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:44:41,254 INFO L87 Difference]: Start difference. First operand 996 states and 1175 transitions. Second operand 6 states. [2018-12-02 05:44:41,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:41,305 INFO L93 Difference]: Finished difference Result 2006 states and 2438 transitions. [2018-12-02 05:44:41,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:44:41,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-02 05:44:41,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:41,310 INFO L225 Difference]: With dead ends: 2006 [2018-12-02 05:44:41,310 INFO L226 Difference]: Without dead ends: 1038 [2018-12-02 05:44:41,312 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 05:44:41,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-12-02 05:44:41,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2018-12-02 05:44:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-12-02 05:44:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1207 transitions. [2018-12-02 05:44:41,357 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1207 transitions. Word has length 104 [2018-12-02 05:44:41,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:41,357 INFO L480 AbstractCegarLoop]: Abstraction has 1026 states and 1207 transitions. [2018-12-02 05:44:41,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:44:41,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1207 transitions. [2018-12-02 05:44:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 05:44:41,359 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:41,359 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:41,359 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:41,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:41,360 INFO L82 PathProgramCache]: Analyzing trace with hash 223109158, now seen corresponding path program 1 times [2018-12-02 05:44:41,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:41,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:41,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:41,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:41,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 05:44:41,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:41,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 05:44:41,416 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:41,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 05:44:41,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 05:44:41,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 05:44:41,417 INFO L87 Difference]: Start difference. First operand 1026 states and 1207 transitions. Second operand 8 states. [2018-12-02 05:44:41,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:41,468 INFO L93 Difference]: Finished difference Result 1822 states and 2192 transitions. [2018-12-02 05:44:41,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 05:44:41,468 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-02 05:44:41,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:41,472 INFO L225 Difference]: With dead ends: 1822 [2018-12-02 05:44:41,472 INFO L226 Difference]: Without dead ends: 824 [2018-12-02 05:44:41,474 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 05:44:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-12-02 05:44:41,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-12-02 05:44:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-12-02 05:44:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 957 transitions. [2018-12-02 05:44:41,518 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 957 transitions. Word has length 104 [2018-12-02 05:44:41,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:41,518 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 957 transitions. [2018-12-02 05:44:41,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 05:44:41,519 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 957 transitions. [2018-12-02 05:44:41,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 05:44:41,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:41,521 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:44:41,521 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:41,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:41,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1162101567, now seen corresponding path program 1 times [2018-12-02 05:44:41,521 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:41,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:41,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:41,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:41,522 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 05:44:41,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:41,623 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:41,624 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-02 05:44:41,625 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [35], [37], [38], [41], [56], [59], [60], [64], [65], [67], [76], [80], [84], [87], [92], [95], [100], [106], [109], [119], [120], [123], [125], [128], [130], [133], [136], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [212], [216], [223], [224], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [280], [281], [283], [284], [291], [292], [293], [294], [295], [296], [299], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-12-02 05:44:41,652 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:41,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:42,019 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 05:44:42,020 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-02 05:44:42,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:42,025 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 05:44:42,210 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.64% of their original sizes. [2018-12-02 05:44:42,210 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 05:44:42,362 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-02 05:44:42,363 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 05:44:42,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:44:42,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-02 05:44:42,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:42,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-02 05:44:42,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-02 05:44:42,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-12-02 05:44:42,364 INFO L87 Difference]: Start difference. First operand 824 states and 957 transitions. Second operand 22 states. [2018-12-02 05:44:45,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:45,732 INFO L93 Difference]: Finished difference Result 2074 states and 2441 transitions. [2018-12-02 05:44:45,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-02 05:44:45,732 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 108 [2018-12-02 05:44:45,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:45,735 INFO L225 Difference]: With dead ends: 2074 [2018-12-02 05:44:45,736 INFO L226 Difference]: Without dead ends: 1278 [2018-12-02 05:44:45,737 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2018-12-02 05:44:45,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2018-12-02 05:44:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1272. [2018-12-02 05:44:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-12-02 05:44:45,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1459 transitions. [2018-12-02 05:44:45,771 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1459 transitions. Word has length 108 [2018-12-02 05:44:45,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:45,771 INFO L480 AbstractCegarLoop]: Abstraction has 1272 states and 1459 transitions. [2018-12-02 05:44:45,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-02 05:44:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1459 transitions. [2018-12-02 05:44:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 05:44:45,774 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:45,774 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:45,774 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:45,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:45,774 INFO L82 PathProgramCache]: Analyzing trace with hash -525352255, now seen corresponding path program 1 times [2018-12-02 05:44:45,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:45,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:45,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:45,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:45,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 05:44:45,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:44:45,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 05:44:45,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:45,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:44:45,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:44:45,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 05:44:45,820 INFO L87 Difference]: Start difference. First operand 1272 states and 1459 transitions. Second operand 3 states. [2018-12-02 05:44:45,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:45,863 INFO L93 Difference]: Finished difference Result 1794 states and 2100 transitions. [2018-12-02 05:44:45,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:44:45,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-12-02 05:44:45,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:45,870 INFO L225 Difference]: With dead ends: 1794 [2018-12-02 05:44:45,870 INFO L226 Difference]: Without dead ends: 1791 [2018-12-02 05:44:45,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 05:44:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2018-12-02 05:44:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1700. [2018-12-02 05:44:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2018-12-02 05:44:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 1993 transitions. [2018-12-02 05:44:45,941 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 1993 transitions. Word has length 162 [2018-12-02 05:44:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:45,941 INFO L480 AbstractCegarLoop]: Abstraction has 1700 states and 1993 transitions. [2018-12-02 05:44:45,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:44:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1993 transitions. [2018-12-02 05:44:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 05:44:45,945 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:45,946 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:45,946 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:45,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:45,946 INFO L82 PathProgramCache]: Analyzing trace with hash 212396494, now seen corresponding path program 1 times [2018-12-02 05:44:45,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:45,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:45,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:45,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:45,947 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 49 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 05:44:46,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:46,038 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:46,038 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-12-02 05:44:46,038 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [229], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-12-02 05:44:46,042 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:46,042 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:47,686 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:44:47,687 INFO L272 AbstractInterpreter]: Visited 140 different actions 1428 times. Merged at 22 different actions 143 times. Widened at 1 different actions 1 times. Performed 46612 root evaluator evaluations with a maximum evaluation depth of 5. Performed 46612 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 42 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-02 05:44:47,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:47,690 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:44:47,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:47,690 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/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 05:44:47,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:47,696 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:44:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:47,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:44:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 05:44:47,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:44:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 49 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 05:44:48,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 05:44:48,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-02 05:44:48,077 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:48,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 05:44:48,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 05:44:48,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:44:48,078 INFO L87 Difference]: Start difference. First operand 1700 states and 1993 transitions. Second operand 5 states. [2018-12-02 05:44:48,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:48,453 INFO L93 Difference]: Finished difference Result 3387 states and 4175 transitions. [2018-12-02 05:44:48,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:44:48,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2018-12-02 05:44:48,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:48,460 INFO L225 Difference]: With dead ends: 3387 [2018-12-02 05:44:48,460 INFO L226 Difference]: Without dead ends: 2135 [2018-12-02 05:44:48,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 454 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:44:48,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2018-12-02 05:44:48,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1961. [2018-12-02 05:44:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2018-12-02 05:44:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2355 transitions. [2018-12-02 05:44:48,542 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2355 transitions. Word has length 227 [2018-12-02 05:44:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:48,543 INFO L480 AbstractCegarLoop]: Abstraction has 1961 states and 2355 transitions. [2018-12-02 05:44:48,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 05:44:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2355 transitions. [2018-12-02 05:44:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 05:44:48,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:48,547 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:48,547 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:48,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:48,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1991563754, now seen corresponding path program 1 times [2018-12-02 05:44:48,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:48,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:48,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:48,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:48,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 05:44:48,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:48,642 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:48,643 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-02 05:44:48,643 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-12-02 05:44:48,645 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:48,646 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:49,993 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:44:49,993 INFO L272 AbstractInterpreter]: Visited 139 different actions 1234 times. Merged at 23 different actions 138 times. Widened at 1 different actions 1 times. Performed 39221 root evaluator evaluations with a maximum evaluation depth of 5. Performed 39221 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 34 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-02 05:44:49,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:49,995 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:44:49,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:49,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/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 05:44:50,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:50,002 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:44:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:50,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:44:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 05:44:50,215 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:44:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 05:44:50,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:44:50,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2018-12-02 05:44:50,523 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:44:50,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 05:44:50,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 05:44:50,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-12-02 05:44:50,523 INFO L87 Difference]: Start difference. First operand 1961 states and 2355 transitions. Second operand 16 states. [2018-12-02 05:44:51,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:51,714 INFO L93 Difference]: Finished difference Result 4617 states and 6201 transitions. [2018-12-02 05:44:51,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-02 05:44:51,714 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2018-12-02 05:44:51,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:51,723 INFO L225 Difference]: With dead ends: 4617 [2018-12-02 05:44:51,723 INFO L226 Difference]: Without dead ends: 3326 [2018-12-02 05:44:51,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=327, Invalid=1155, Unknown=0, NotChecked=0, Total=1482 [2018-12-02 05:44:51,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2018-12-02 05:44:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 2688. [2018-12-02 05:44:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2688 states. [2018-12-02 05:44:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3190 transitions. [2018-12-02 05:44:51,863 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3190 transitions. Word has length 223 [2018-12-02 05:44:51,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:51,864 INFO L480 AbstractCegarLoop]: Abstraction has 2688 states and 3190 transitions. [2018-12-02 05:44:51,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 05:44:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3190 transitions. [2018-12-02 05:44:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 05:44:51,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:51,869 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:51,869 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:51,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:51,870 INFO L82 PathProgramCache]: Analyzing trace with hash 684428628, now seen corresponding path program 1 times [2018-12-02 05:44:51,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:51,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:51,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:51,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:51,870 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 05:44:51,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:51,938 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:51,938 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-02 05:44:51,938 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [27], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [209], [212], [216], [222], [223], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [319], [320], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332], [335], [336] [2018-12-02 05:44:51,940 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:51,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:53,497 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:44:53,497 INFO L272 AbstractInterpreter]: Visited 140 different actions 1449 times. Merged at 25 different actions 164 times. Widened at 1 different actions 1 times. Performed 46424 root evaluator evaluations with a maximum evaluation depth of 5. Performed 46424 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 42 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-02 05:44:53,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:53,499 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:44:53,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:53,499 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 05:44:53,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:53,505 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:44:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:53,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:44:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 05:44:53,611 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:44:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 05:44:53,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 05:44:53,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-02 05:44:53,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:53,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:44:53,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:44:53,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-02 05:44:53,775 INFO L87 Difference]: Start difference. First operand 2688 states and 3190 transitions. Second operand 6 states. [2018-12-02 05:44:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:53,839 INFO L93 Difference]: Finished difference Result 3491 states and 4120 transitions. [2018-12-02 05:44:53,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:44:53,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2018-12-02 05:44:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:53,843 INFO L225 Difference]: With dead ends: 3491 [2018-12-02 05:44:53,843 INFO L226 Difference]: Without dead ends: 1484 [2018-12-02 05:44:53,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 441 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-02 05:44:53,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2018-12-02 05:44:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2018-12-02 05:44:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2018-12-02 05:44:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1699 transitions. [2018-12-02 05:44:53,890 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1699 transitions. Word has length 223 [2018-12-02 05:44:53,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:53,890 INFO L480 AbstractCegarLoop]: Abstraction has 1484 states and 1699 transitions. [2018-12-02 05:44:53,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:44:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1699 transitions. [2018-12-02 05:44:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 05:44:53,893 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:53,893 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 05:44:53,894 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:53,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:53,894 INFO L82 PathProgramCache]: Analyzing trace with hash -101195886, now seen corresponding path program 2 times [2018-12-02 05:44:53,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:53,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:53,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:53,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:53,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 53 proven. 15 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-02 05:44:53,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:53,969 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:53,969 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 05:44:53,970 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 05:44:53,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:53,970 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 05:44:53,977 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 05:44:53,977 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 05:44:54,057 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-02 05:44:54,057 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 05:44:54,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:44:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 05:44:54,168 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:44:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 59 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 05:44:54,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 05:44:54,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 10] total 23 [2018-12-02 05:44:54,497 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:44:54,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:44:54,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:44:54,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2018-12-02 05:44:54,497 INFO L87 Difference]: Start difference. First operand 1484 states and 1699 transitions. Second operand 9 states. [2018-12-02 05:44:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:54,981 INFO L93 Difference]: Finished difference Result 2543 states and 3131 transitions. [2018-12-02 05:44:54,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 05:44:54,981 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 236 [2018-12-02 05:44:54,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:54,985 INFO L225 Difference]: With dead ends: 2543 [2018-12-02 05:44:54,985 INFO L226 Difference]: Without dead ends: 1515 [2018-12-02 05:44:54,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 462 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2018-12-02 05:44:54,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-12-02 05:44:55,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1185. [2018-12-02 05:44:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2018-12-02 05:44:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1343 transitions. [2018-12-02 05:44:55,029 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1343 transitions. Word has length 236 [2018-12-02 05:44:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:55,030 INFO L480 AbstractCegarLoop]: Abstraction has 1185 states and 1343 transitions. [2018-12-02 05:44:55,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:44:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1343 transitions. [2018-12-02 05:44:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-02 05:44:55,033 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:44:55,033 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:44:55,033 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:44:55,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:55,033 INFO L82 PathProgramCache]: Analyzing trace with hash -313137516, now seen corresponding path program 1 times [2018-12-02 05:44:55,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:44:55,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:55,034 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 05:44:55,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:44:55,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:44:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 53 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-02 05:44:55,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:55,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 05:44:55,108 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-12-02 05:44:55,108 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [35], [37], [38], [41], [56], [59], [60], [64], [65], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [123], [125], [128], [130], [133], [136], [139], [145], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [212], [216], [222], [223], [224], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [280], [281], [283], [284], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [332] [2018-12-02 05:44:55,109 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 05:44:55,109 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 05:44:56,223 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 05:44:56,223 INFO L272 AbstractInterpreter]: Visited 114 different actions 945 times. Merged at 18 different actions 124 times. Never widened. Performed 35302 root evaluator evaluations with a maximum evaluation depth of 3. Performed 35302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 23 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-02 05:44:56,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:44:56,225 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 05:44:56,225 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:44:56,225 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 05:44:56,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:44:56,259 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 05:44:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:44:56,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:44:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 161 proven. 23 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 05:44:56,370 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 05:44:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 53 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-02 05:44:56,581 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 05:44:56,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-02 05:44:56,581 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 05:44:56,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 05:44:56,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 05:44:56,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-12-02 05:44:56,582 INFO L87 Difference]: Start difference. First operand 1185 states and 1343 transitions. Second operand 12 states. [2018-12-02 05:44:56,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:44:56,993 INFO L93 Difference]: Finished difference Result 1862 states and 2167 transitions. [2018-12-02 05:44:56,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 05:44:56,994 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 249 [2018-12-02 05:44:56,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:44:56,994 INFO L225 Difference]: With dead ends: 1862 [2018-12-02 05:44:56,995 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 05:44:56,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 497 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-12-02 05:44:56,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 05:44:56,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 05:44:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 05:44:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 05:44:56,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2018-12-02 05:44:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:44:56,998 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 05:44:56,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 05:44:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 05:44:56,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:44:57,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 05:44:57,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:57,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:44:58,021 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 29 [2018-12-02 05:44:58,188 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2018-12-02 05:44:58,669 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 34 [2018-12-02 05:44:58,846 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 33 [2018-12-02 05:44:59,002 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2018-12-02 05:44:59,180 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2018-12-02 05:44:59,768 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2018-12-02 05:45:00,026 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2018-12-02 05:45:00,181 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2018-12-02 05:45:00,718 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2018-12-02 05:45:00,927 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2018-12-02 05:45:01,056 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-12-02 05:45:01,056 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-12-02 05:45:01,056 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-12-02 05:45:01,056 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-12-02 05:45:01,056 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-12-02 05:45:01,056 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,056 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-12-02 05:45:01,056 INFO L444 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,057 INFO L444 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,057 INFO L448 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-12-02 05:45:01,057 INFO L448 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-12-02 05:45:01,057 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-12-02 05:45:01,057 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,057 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-12-02 05:45:01,057 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,057 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,057 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-12-02 05:45:01,057 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-12-02 05:45:01,058 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-12-02 05:45:01,058 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-12-02 05:45:01,058 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-12-02 05:45:01,058 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-12-02 05:45:01,058 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-12-02 05:45:01,058 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-12-02 05:45:01,058 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-12-02 05:45:01,058 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-12-02 05:45:01,058 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-12-02 05:45:01,058 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-12-02 05:45:01,058 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,058 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-12-02 05:45:01,059 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (or (< ~waterLevel~0 1) .cse1)) (or .cse0 (not (= ~waterLevel~0 0)) (= |old(~pumpRunning~0)| 0) .cse1))) [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) (or (< ~waterLevel~0 1) .cse1)) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) .cse3))) [2018-12-02 05:45:01,059 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-12-02 05:45:01,059 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (or (< ~waterLevel~0 1) .cse0)) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2))) [2018-12-02 05:45:01,060 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (and (<= 1 processEnvironment_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~waterLevel~0 1) .cse0)) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2))) [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (or (< ~waterLevel~0 1) .cse1)) (or .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3 .cse0) (or (or .cse2 (< ~waterLevel~0 2) .cse1 .cse3) .cse0))) [2018-12-02 05:45:01,060 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (or (< ~waterLevel~0 1) .cse0)) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2))) [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-12-02 05:45:01,060 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L444 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:45:01,060 INFO L448 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-12-02 05:45:01,060 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L444 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:45:01,061 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (and (and (<= 2 ~waterLevel~0) .cse0 .cse1) (= ~pumpRunning~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L444 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:45:01,061 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-02 05:45:01,061 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (or .cse2 .cse3 (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse4 .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse4 .cse3 .cse0 .cse1 .cse2))) [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (or .cse2 .cse3 (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse4 .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse4 .cse3 .cse0 .cse1 .cse2))) [2018-12-02 05:45:01,062 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse5)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (or .cse5 (not (= ~methaneLevelCritical~0 0))))) (and (or (< ~waterLevel~0 1) .cse0) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse5 .cse6) (or .cse1 .cse0) (or .cse3 .cse4 .cse2)))) [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse7 (< ~waterLevel~0 2)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse6 (or .cse1 .cse5))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse5) (< ~waterLevel~0 1)) (or .cse0 .cse6) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse7 .cse1 .cse2 .cse3) (or .cse3 .cse7 .cse8 .cse1 .cse2) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse7 .cse8 .cse6)))) [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:45:01,062 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 2)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse8 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse6 .cse5) (or .cse2 (not (= 1 ~pumpRunning~0)) .cse3 .cse4 .cse5 .cse1) (or .cse7 .cse0 .cse2 .cse3 .cse4 .cse8) (or .cse7 .cse0 .cse3 .cse4 .cse6 .cse8))) [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-02 05:45:01,063 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-12-02 05:45:01,064 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-12-02 05:45:01,064 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) .cse5)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or (or .cse0 .cse4 .cse1 .cse2) .cse3) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse5) .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse1)))) [2018-12-02 05:45:01,064 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse5) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse6 .cse5) (< |old(~waterLevel~0)| 1) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse6) .cse1 .cse2)) (or (or .cse0 .cse4 .cse1 .cse2) .cse3))) [2018-12-02 05:45:01,064 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (and .cse7 .cse0 .cse8)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4 .cse6) (or (or .cse5 .cse1 .cse3 .cse4) .cse6) (or .cse1 .cse2 .cse3 (and .cse7 .cse8))))) [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-02 05:45:01,064 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2)) (not (= 1 ~pumpRunning~0))) [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 05:45:01,065 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) .cse0 .cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse2 (or .cse3 .cse0 (not (= ~methaneLevelCritical~0 0)))) (or .cse2 .cse3 .cse0 .cse1))) [2018-12-02 05:45:01,065 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 0))) (.cse5 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse3 (or .cse5 .cse1 (not (= ~methaneLevelCritical~0 0)))) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) .cse3))) [2018-12-02 05:45:01,065 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 0))) (.cse5 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse3) (or .cse4 (or .cse5 .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 0))) (.cse5 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse4 (or .cse5 .cse1 (not (= ~methaneLevelCritical~0 0)))) (or .cse4 .cse5 .cse1 .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) .cse3))) [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-12-02 05:45:01,065 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse4 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse5 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse5 (< ~waterLevel~0 2) .cse2 .cse3))) [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-12-02 05:45:01,066 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= ~systemActive~0 1))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse4 (not (= 1 ~pumpRunning~0)) .cse1 .cse3) (or (or .cse0 .cse4 .cse1 .cse2) .cse3))) [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-02 05:45:01,066 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 (not (= 1 ~pumpRunning~0))) (or .cse0 (or .cse3 .cse1) .cse2 .cse4) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4 .cse0))) [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-12-02 05:45:01,066 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-12-02 05:45:01,066 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-12-02 05:45:01,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:45:01 BoogieIcfgContainer [2018-12-02 05:45:01,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:45:01,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:45:01,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:45:01,076 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:45:01,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:39" (3/4) ... [2018-12-02 05:45:01,080 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 05:45:01,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:45:01,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 05:45:01,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 05:45:01,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 05:45:01,089 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 05:45:01,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 05:45:01,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 05:45:01,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 05:45:01,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:45:01,090 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 05:45:01,109 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 05:45:01,109 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 05:45:01,139 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb46261a-cd7a-4925-85b2-86faa3fbe7df/bin-2019/utaipan/witness.graphml [2018-12-02 05:45:01,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:45:01,139 INFO L168 Benchmark]: Toolchain (without parser) took 22681.97 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 947.0 MB in the beginning and 1.7 GB in the end (delta: -708.9 MB). Peak memory consumption was 924.3 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:01,140 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:45:01,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:01,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:45:01,140 INFO L168 Benchmark]: Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:45:01,140 INFO L168 Benchmark]: RCFGBuilder took 346.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:01,140 INFO L168 Benchmark]: TraceAbstraction took 21939.38 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -626.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-02 05:45:01,140 INFO L168 Benchmark]: Witness Printer took 62.83 ms. Allocated memory is still 2.7 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:45:01,141 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 346.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21939.38 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -626.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 62.83 ms. Allocated memory is still 2.7 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 21.8s OverallTime, 16 OverallIterations, 6 TraceHistogramMax, 7.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3187 SDtfs, 3185 SDslu, 7427 SDs, 0 SdLazy, 5940 SolverSat, 1557 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2625 GetRequests, 2430 SyntacticMatches, 13 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2688occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.0s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.996903212651692 AbsIntWeakeningRatio, 1.0373831775700935 AbsIntAvgWeakeningVarsNumRemoved, 84.60747663551402 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 1390 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4817 PreInvPairs, 5043 NumberOfFragments, 2465 HoareAnnotationTreeSize, 4817 FomulaSimplifications, 56174 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 37075 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3280 NumberOfCodeBlocks, 3188 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4412 ConstructedInterpolants, 0 QuantifiedInterpolants, 1252167 SizeOfPredicates, 24 NumberOfNonLiveVariables, 5270 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 26 InterpolantComputations, 13 PerfectInterpolantSequences, 2162/2339 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...