./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23f993c1cfae7b9f66cc8c2fd252077854486eec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:25:05,591 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:25:05,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:25:05,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:25:05,601 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:25:05,602 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:25:05,603 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:25:05,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:25:05,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:25:05,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:25:05,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:25:05,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:25:05,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:25:05,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:25:05,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:25:05,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:25:05,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:25:05,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:25:05,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:25:05,614 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:25:05,615 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:25:05,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:25:05,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:25:05,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:25:05,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:25:05,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:25:05,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:25:05,619 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:25:05,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:25:05,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:25:05,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:25:05,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:25:05,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:25:05,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:25:05,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:25:05,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:25:05,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 09:25:05,632 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:25:05,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:25:05,633 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:25:05,633 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:25:05,634 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:25:05,634 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:25:05,634 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:25:05,635 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:25:05,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:25:05,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:25:05,635 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:25:05,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:25:05,635 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:25:05,635 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:25:05,636 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:25:05,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:25:05,636 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:25:05,636 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:25:05,636 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:25:05,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:25:05,636 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:25:05,636 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:25:05,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:25:05,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:25:05,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:25:05,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:25:05,637 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:25:05,637 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:25:05,637 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:25:05,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:25:05,638 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23f993c1cfae7b9f66cc8c2fd252077854486eec [2018-11-18 09:25:05,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:25:05,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:25:05,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:25:05,674 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:25:05,674 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:25:05,675 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-18 09:25:05,710 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/data/5f74d4fb6/ccb477c5366f4806acd4ce344b123ad4/FLAGb1ee374f7 [2018-11-18 09:25:06,132 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:25:06,132 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-18 09:25:06,139 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/data/5f74d4fb6/ccb477c5366f4806acd4ce344b123ad4/FLAGb1ee374f7 [2018-11-18 09:25:06,148 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/data/5f74d4fb6/ccb477c5366f4806acd4ce344b123ad4 [2018-11-18 09:25:06,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:25:06,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:25:06,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:25:06,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:25:06,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:25:06,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e2c184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06, skipping insertion in model container [2018-11-18 09:25:06,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:25:06,191 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:25:06,372 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:25:06,380 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:25:06,480 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:25:06,499 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:25:06,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06 WrapperNode [2018-11-18 09:25:06,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:25:06,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:25:06,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:25:06,501 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:25:06,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... [2018-11-18 09:25:06,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:25:06,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:25:06,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:25:06,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:25:06,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 09:25:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:25:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 09:25:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 09:25:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:25:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:25:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:25:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 09:25:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 09:25:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:25:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 09:25:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:25:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:25:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 09:25:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:25:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:25:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 09:25:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:25:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:25:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:25:07,260 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:25:07,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:25:07 BoogieIcfgContainer [2018-11-18 09:25:07,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:25:07,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:25:07,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:25:07,263 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:25:07,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:25:06" (1/3) ... [2018-11-18 09:25:07,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27414e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:25:07, skipping insertion in model container [2018-11-18 09:25:07,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:25:06" (2/3) ... [2018-11-18 09:25:07,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27414e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:25:07, skipping insertion in model container [2018-11-18 09:25:07,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:25:07" (3/3) ... [2018-11-18 09:25:07,265 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-11-18 09:25:07,271 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:25:07,276 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:25:07,286 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:25:07,307 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:25:07,308 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:25:07,308 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:25:07,308 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:25:07,308 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:25:07,308 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:25:07,309 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:25:07,309 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:25:07,309 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:25:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states. [2018-11-18 09:25:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 09:25:07,331 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:07,331 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:07,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:07,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:07,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1445514726, now seen corresponding path program 1 times [2018-11-18 09:25:07,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:07,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:07,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:07,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:07,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:07,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:07,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:25:07,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:25:07,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:25:07,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:25:07,554 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 2 states. [2018-11-18 09:25:07,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:07,586 INFO L93 Difference]: Finished difference Result 318 states and 395 transitions. [2018-11-18 09:25:07,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:25:07,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 09:25:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:07,597 INFO L225 Difference]: With dead ends: 318 [2018-11-18 09:25:07,597 INFO L226 Difference]: Without dead ends: 161 [2018-11-18 09:25:07,600 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:25:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-18 09:25:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-18 09:25:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-18 09:25:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 191 transitions. [2018-11-18 09:25:07,636 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 191 transitions. Word has length 51 [2018-11-18 09:25:07,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:07,636 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 191 transitions. [2018-11-18 09:25:07,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:25:07,636 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 191 transitions. [2018-11-18 09:25:07,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 09:25:07,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:07,639 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:07,639 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:07,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:07,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1571391169, now seen corresponding path program 1 times [2018-11-18 09:25:07,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:07,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:07,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:07,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:07,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:07,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:07,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:25:07,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:25:07,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:25:07,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:07,740 INFO L87 Difference]: Start difference. First operand 161 states and 191 transitions. Second operand 3 states. [2018-11-18 09:25:07,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:07,762 INFO L93 Difference]: Finished difference Result 261 states and 311 transitions. [2018-11-18 09:25:07,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:25:07,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 09:25:07,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:07,764 INFO L225 Difference]: With dead ends: 261 [2018-11-18 09:25:07,764 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 09:25:07,766 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:25:07,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 09:25:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-18 09:25:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-18 09:25:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-11-18 09:25:07,779 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 53 [2018-11-18 09:25:07,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:07,780 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-11-18 09:25:07,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:25:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-11-18 09:25:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 09:25:07,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:07,782 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:07,782 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:07,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash -461763424, now seen corresponding path program 1 times [2018-11-18 09:25:07,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:07,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:07,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:07,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:07,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:07,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:07,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:07,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:25:07,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:25:07,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:25:07,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:07,893 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 7 states. [2018-11-18 09:25:08,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:08,217 INFO L93 Difference]: Finished difference Result 274 states and 329 transitions. [2018-11-18 09:25:08,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:25:08,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 09:25:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:08,219 INFO L225 Difference]: With dead ends: 274 [2018-11-18 09:25:08,219 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 09:25:08,220 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:25:08,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 09:25:08,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-18 09:25:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-18 09:25:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 177 transitions. [2018-11-18 09:25:08,233 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 177 transitions. Word has length 58 [2018-11-18 09:25:08,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:08,233 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 177 transitions. [2018-11-18 09:25:08,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:25:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 177 transitions. [2018-11-18 09:25:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 09:25:08,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:08,235 INFO L375 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] [2018-11-18 09:25:08,236 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:08,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:08,236 INFO L82 PathProgramCache]: Analyzing trace with hash 2103687991, now seen corresponding path program 1 times [2018-11-18 09:25:08,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:08,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:08,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:08,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:08,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:08,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:08,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:25:08,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:25:08,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:25:08,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:25:08,327 INFO L87 Difference]: Start difference. First operand 151 states and 177 transitions. Second operand 5 states. [2018-11-18 09:25:08,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:08,728 INFO L93 Difference]: Finished difference Result 392 states and 476 transitions. [2018-11-18 09:25:08,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:25:08,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-11-18 09:25:08,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:08,730 INFO L225 Difference]: With dead ends: 392 [2018-11-18 09:25:08,730 INFO L226 Difference]: Without dead ends: 269 [2018-11-18 09:25:08,731 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:25:08,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-11-18 09:25:08,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 249. [2018-11-18 09:25:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-11-18 09:25:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 284 transitions. [2018-11-18 09:25:08,750 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 284 transitions. Word has length 76 [2018-11-18 09:25:08,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:08,751 INFO L480 AbstractCegarLoop]: Abstraction has 249 states and 284 transitions. [2018-11-18 09:25:08,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:25:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 284 transitions. [2018-11-18 09:25:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 09:25:08,752 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:08,752 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:08,752 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:08,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:08,753 INFO L82 PathProgramCache]: Analyzing trace with hash -2076546663, now seen corresponding path program 1 times [2018-11-18 09:25:08,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:08,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:08,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:08,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:08,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:08,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:08,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:25:08,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:25:08,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:25:08,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:08,838 INFO L87 Difference]: Start difference. First operand 249 states and 284 transitions. Second operand 6 states. [2018-11-18 09:25:09,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:09,002 INFO L93 Difference]: Finished difference Result 673 states and 788 transitions. [2018-11-18 09:25:09,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:25:09,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 09:25:09,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:09,007 INFO L225 Difference]: With dead ends: 673 [2018-11-18 09:25:09,007 INFO L226 Difference]: Without dead ends: 452 [2018-11-18 09:25:09,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:25:09,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2018-11-18 09:25:09,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 446. [2018-11-18 09:25:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2018-11-18 09:25:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 508 transitions. [2018-11-18 09:25:09,035 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 508 transitions. Word has length 90 [2018-11-18 09:25:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:09,035 INFO L480 AbstractCegarLoop]: Abstraction has 446 states and 508 transitions. [2018-11-18 09:25:09,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:25:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 508 transitions. [2018-11-18 09:25:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 09:25:09,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:09,037 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:09,037 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:09,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:09,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1911937603, now seen corresponding path program 1 times [2018-11-18 09:25:09,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:09,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:09,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:09,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:09,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:09,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:25:09,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:25:09,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:25:09,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:09,122 INFO L87 Difference]: Start difference. First operand 446 states and 508 transitions. Second operand 7 states. [2018-11-18 09:25:09,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:09,569 INFO L93 Difference]: Finished difference Result 897 states and 1046 transitions. [2018-11-18 09:25:09,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:25:09,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2018-11-18 09:25:09,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:09,572 INFO L225 Difference]: With dead ends: 897 [2018-11-18 09:25:09,572 INFO L226 Difference]: Without dead ends: 479 [2018-11-18 09:25:09,573 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:25:09,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-11-18 09:25:09,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 445. [2018-11-18 09:25:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-11-18 09:25:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 505 transitions. [2018-11-18 09:25:09,600 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 505 transitions. Word has length 94 [2018-11-18 09:25:09,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:09,601 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 505 transitions. [2018-11-18 09:25:09,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:25:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 505 transitions. [2018-11-18 09:25:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 09:25:09,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:09,602 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:09,602 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:09,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:09,603 INFO L82 PathProgramCache]: Analyzing trace with hash 55702321, now seen corresponding path program 1 times [2018-11-18 09:25:09,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:09,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:09,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:09,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:25:09,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:09,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:25:09,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:25:09,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:25:09,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:25:09,703 INFO L87 Difference]: Start difference. First operand 445 states and 505 transitions. Second operand 6 states. [2018-11-18 09:25:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:09,740 INFO L93 Difference]: Finished difference Result 876 states and 1018 transitions. [2018-11-18 09:25:09,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:25:09,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-18 09:25:09,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:09,744 INFO L225 Difference]: With dead ends: 876 [2018-11-18 09:25:09,744 INFO L226 Difference]: Without dead ends: 459 [2018-11-18 09:25:09,745 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:09,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-11-18 09:25:09,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 455. [2018-11-18 09:25:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-18 09:25:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 515 transitions. [2018-11-18 09:25:09,767 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 515 transitions. Word has length 110 [2018-11-18 09:25:09,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:09,768 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 515 transitions. [2018-11-18 09:25:09,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:25:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 515 transitions. [2018-11-18 09:25:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 09:25:09,769 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:09,769 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:09,769 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:09,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:09,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1994864367, now seen corresponding path program 1 times [2018-11-18 09:25:09,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:09,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:09,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:09,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:25:09,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:09,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:25:09,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:25:09,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:25:09,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:25:09,873 INFO L87 Difference]: Start difference. First operand 455 states and 515 transitions. Second operand 8 states. [2018-11-18 09:25:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:09,908 INFO L93 Difference]: Finished difference Result 896 states and 1040 transitions. [2018-11-18 09:25:09,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:25:09,909 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2018-11-18 09:25:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:09,911 INFO L225 Difference]: With dead ends: 896 [2018-11-18 09:25:09,911 INFO L226 Difference]: Without dead ends: 469 [2018-11-18 09:25:09,912 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:25:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-11-18 09:25:09,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 463. [2018-11-18 09:25:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-11-18 09:25:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 523 transitions. [2018-11-18 09:25:09,933 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 523 transitions. Word has length 110 [2018-11-18 09:25:09,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:09,933 INFO L480 AbstractCegarLoop]: Abstraction has 463 states and 523 transitions. [2018-11-18 09:25:09,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:25:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 523 transitions. [2018-11-18 09:25:09,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 09:25:09,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:09,936 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:09,936 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:09,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:09,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1530932914, now seen corresponding path program 1 times [2018-11-18 09:25:09,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:09,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:09,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:09,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:25:09,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:25:09,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:25:09,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:25:09,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:25:09,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:25:09,999 INFO L87 Difference]: Start difference. First operand 463 states and 523 transitions. Second operand 4 states. [2018-11-18 09:25:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:10,294 INFO L93 Difference]: Finished difference Result 1376 states and 1630 transitions. [2018-11-18 09:25:10,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:25:10,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2018-11-18 09:25:10,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:10,298 INFO L225 Difference]: With dead ends: 1376 [2018-11-18 09:25:10,299 INFO L226 Difference]: Without dead ends: 941 [2018-11-18 09:25:10,300 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:25:10,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-11-18 09:25:10,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 926. [2018-11-18 09:25:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-18 09:25:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1075 transitions. [2018-11-18 09:25:10,346 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1075 transitions. Word has length 110 [2018-11-18 09:25:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:10,346 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1075 transitions. [2018-11-18 09:25:10,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:25:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1075 transitions. [2018-11-18 09:25:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 09:25:10,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:10,348 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:10,349 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:10,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:10,349 INFO L82 PathProgramCache]: Analyzing trace with hash 931327028, now seen corresponding path program 1 times [2018-11-18 09:25:10,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:10,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:10,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:10,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:10,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:25:10,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:10,460 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:25:10,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:10,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:25:10,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:25:10,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 09:25:10,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 09:25:10,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 09:25:10,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:25:10,693 INFO L87 Difference]: Start difference. First operand 926 states and 1075 transitions. Second operand 19 states. [2018-11-18 09:25:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:11,767 INFO L93 Difference]: Finished difference Result 1791 states and 2102 transitions. [2018-11-18 09:25:11,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 09:25:11,767 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 114 [2018-11-18 09:25:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:11,769 INFO L225 Difference]: With dead ends: 1791 [2018-11-18 09:25:11,770 INFO L226 Difference]: Without dead ends: 893 [2018-11-18 09:25:11,771 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 09:25:11,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2018-11-18 09:25:11,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2018-11-18 09:25:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2018-11-18 09:25:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1021 transitions. [2018-11-18 09:25:11,801 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1021 transitions. Word has length 114 [2018-11-18 09:25:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:11,801 INFO L480 AbstractCegarLoop]: Abstraction has 893 states and 1021 transitions. [2018-11-18 09:25:11,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 09:25:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1021 transitions. [2018-11-18 09:25:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 09:25:11,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:11,804 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:11,804 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:11,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:11,804 INFO L82 PathProgramCache]: Analyzing trace with hash -605011172, now seen corresponding path program 1 times [2018-11-18 09:25:11,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:11,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:11,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:11,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:11,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 09:25:11,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:11,885 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:25:11,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:11,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:25:12,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:25:12,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 09:25:12,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:25:12,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:25:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:25:12,042 INFO L87 Difference]: Start difference. First operand 893 states and 1021 transitions. Second operand 7 states. [2018-11-18 09:25:12,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:12,606 INFO L93 Difference]: Finished difference Result 1923 states and 2327 transitions. [2018-11-18 09:25:12,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:25:12,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2018-11-18 09:25:12,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:12,611 INFO L225 Difference]: With dead ends: 1923 [2018-11-18 09:25:12,611 INFO L226 Difference]: Without dead ends: 1198 [2018-11-18 09:25:12,612 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:25:12,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2018-11-18 09:25:12,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1094. [2018-11-18 09:25:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2018-11-18 09:25:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1269 transitions. [2018-11-18 09:25:12,651 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1269 transitions. Word has length 185 [2018-11-18 09:25:12,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:12,652 INFO L480 AbstractCegarLoop]: Abstraction has 1094 states and 1269 transitions. [2018-11-18 09:25:12,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:25:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1269 transitions. [2018-11-18 09:25:12,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 09:25:12,655 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:25:12,655 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:25:12,656 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:25:12,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:25:12,656 INFO L82 PathProgramCache]: Analyzing trace with hash -187614566, now seen corresponding path program 1 times [2018-11-18 09:25:12,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:25:12,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:25:12,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:12,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:12,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:25:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 09:25:12,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:25:12,760 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:25:12,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:25:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:25:12,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:25:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:25:12,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:25:12,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 09:25:12,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 09:25:12,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 09:25:12,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:25:12,956 INFO L87 Difference]: Start difference. First operand 1094 states and 1269 transitions. Second operand 19 states. [2018-11-18 09:25:13,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:25:13,742 INFO L93 Difference]: Finished difference Result 1883 states and 2221 transitions. [2018-11-18 09:25:13,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 09:25:13,743 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 185 [2018-11-18 09:25:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:25:13,743 INFO L225 Difference]: With dead ends: 1883 [2018-11-18 09:25:13,743 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:25:13,746 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 09:25:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:25:13,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:25:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:25:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:25:13,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2018-11-18 09:25:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:25:13,747 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:25:13,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 09:25:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:25:13,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:25:13,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:25:13,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:13,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:25:14,711 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2018-11-18 09:25:15,866 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 117 138) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L117-3(lines 117 138) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 199) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L174-3(lines 174 199) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 09:25:15,867 INFO L425 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,868 INFO L421 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L421 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,868 INFO L421 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,868 INFO L421 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2018-11-18 09:25:15,868 INFO L425 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L421 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-18 09:25:15,869 INFO L425 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2018-11-18 09:25:15,869 INFO L421 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 09:25:15,870 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,870 INFO L421 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 09:25:15,870 INFO L425 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2018-11-18 09:25:15,870 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2018-11-18 09:25:15,870 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 09:25:15,870 INFO L425 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-11-18 09:25:15,870 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2018-11-18 09:25:15,870 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-18 09:25:15,870 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2018-11-18 09:25:15,870 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-18 09:25:15,870 INFO L425 ceAbstractionStarter]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2018-11-18 09:25:15,870 INFO L428 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L959(lines 959 967) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L959-2(lines 959 967) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 955) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L947-2(lines 947 955) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 940 975) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2018-11-18 09:25:15,871 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2018-11-18 09:25:15,872 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,872 INFO L421 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-18 09:25:15,873 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2018-11-18 09:25:15,873 INFO L428 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2018-11-18 09:25:15,873 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2018-11-18 09:25:15,873 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-11-18 09:25:15,874 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2018-11-18 09:25:15,874 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2018-11-18 09:25:15,874 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2018-11-18 09:25:15,874 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2018-11-18 09:25:15,874 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-18 09:25:15,874 INFO L421 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-18 09:25:15,874 INFO L425 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2018-11-18 09:25:15,874 INFO L421 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-18 09:25:15,875 INFO L421 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,875 INFO L425 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2018-11-18 09:25:15,875 INFO L421 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-11-18 09:25:15,875 INFO L425 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-11-18 09:25:15,875 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2018-11-18 09:25:15,875 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2018-11-18 09:25:15,875 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2018-11-18 09:25:15,875 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,876 INFO L421 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:25:15,876 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-11-18 09:25:15,876 INFO L425 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-11-18 09:25:15,876 INFO L421 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-18 09:25:15,876 INFO L425 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-11-18 09:25:15,876 INFO L421 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-18 09:25:15,876 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-11-18 09:25:15,876 INFO L421 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-18 09:25:15,876 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L421 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-18 09:25:15,877 INFO L421 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point L716-1(lines 716 763) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2018-11-18 09:25:15,877 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2018-11-18 09:25:15,878 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2018-11-18 09:25:15,878 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2018-11-18 09:25:15,879 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-11-18 09:25:15,879 INFO L425 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2018-11-18 09:25:15,879 INFO L421 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:25:15,879 INFO L425 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-11-18 09:25:15,879 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2018-11-18 09:25:15,879 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2018-11-18 09:25:15,879 INFO L428 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2018-11-18 09:25:15,879 INFO L425 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-11-18 09:25:15,879 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: true [2018-11-18 09:25:15,879 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L421 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,880 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point L622(lines 622 630) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2018-11-18 09:25:15,880 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L259-1(lines 259 279) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L259-3(lines 259 279) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2018-11-18 09:25:15,881 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 671 680) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:25:15,882 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:25:15,882 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:25:15,883 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2018-11-18 09:25:15,883 INFO L421 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= activatePump_~tmp~9 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 09:25:15,883 INFO L425 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2018-11-18 09:25:15,883 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 09:25:15,883 INFO L425 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-11-18 09:25:15,883 INFO L421 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 09:25:15,883 INFO L425 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-18 09:25:15,883 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2018-11-18 09:25:15,883 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point L985(lines 985 989) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L428 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 09:25:15,884 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:25:15,885 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 09:25:15,885 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2018-11-18 09:25:15,885 INFO L425 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-11-18 09:25:15,885 INFO L421 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse3))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-18 09:25:15,885 INFO L421 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~pumpRunning~0))) (let ((.cse0 (and .cse5 .cse1)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (and .cse1 .cse2) .cse3) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse2) .cse0 .cse3 (and .cse2 .cse4) (not (= ~methaneLevelCritical~0 0)) (and .cse5 .cse4)))))) [2018-11-18 09:25:15,885 INFO L421 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,885 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,885 INFO L425 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2018-11-18 09:25:15,886 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2018-11-18 09:25:15,886 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2018-11-18 09:25:15,886 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-18 09:25:15,886 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 09:25:15,886 INFO L428 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-18 09:25:15,886 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 418 432) no Hoare annotation was computed. [2018-11-18 09:25:15,886 INFO L428 ceAbstractionStarter]: At program point L418-3(lines 418 432) the Hoare annotation is: true [2018-11-18 09:25:15,886 INFO L428 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-18 09:25:15,886 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 09:25:15,886 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-18 09:25:15,886 INFO L428 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-18 09:25:15,887 INFO L425 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-18 09:25:15,887 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 09:25:15,887 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2018-11-18 09:25:15,887 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2018-11-18 09:25:15,887 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2018-11-18 09:25:15,887 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 09:25:15,887 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-11-18 09:25:15,887 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-11-18 09:25:15,887 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-18 09:25:15,887 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-18 09:25:15,888 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:25:15,888 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-18 09:25:15,888 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:25:15,888 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:25:15,888 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2018-11-18 09:25:15,888 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse1 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,888 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2018-11-18 09:25:15,888 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,888 INFO L421 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 09:25:15,888 INFO L425 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2018-11-18 09:25:15,889 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2018-11-18 09:25:15,889 INFO L421 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-11-18 09:25:15,889 INFO L421 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-18 09:25:15,889 INFO L425 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2018-11-18 09:25:15,889 INFO L421 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-18 09:25:15,889 INFO L425 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-11-18 09:25:15,889 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2018-11-18 09:25:15,889 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2018-11-18 09:25:15,890 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-11-18 09:25:15,890 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:25:15,890 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-11-18 09:25:15,890 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-11-18 09:25:15,890 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-11-18 09:25:15,890 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-11-18 09:25:15,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:25:15 BoogieIcfgContainer [2018-11-18 09:25:15,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:25:15,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:25:15,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:25:15,900 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:25:15,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:25:07" (3/4) ... [2018-11-18 09:25:15,903 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:25:15,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 09:25:15,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 09:25:15,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:25:15,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:25:15,911 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:25:15,912 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:25:15,913 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:25:15,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:25:15,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:25:15,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:25:15,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:25:15,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 09:25:15,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:25:15,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:25:15,921 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 09:25:15,921 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:25:15,921 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:25:15,947 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) [2018-11-18 09:25:15,947 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:25:15,988 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0059158e-ff2e-40df-a660-d5d2672b74e5/bin-2019/uautomizer/witness.graphml [2018-11-18 09:25:15,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:25:15,989 INFO L168 Benchmark]: Toolchain (without parser) took 9838.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.0 MB). Free memory was 955.9 MB in the beginning and 922.4 MB in the end (delta: 33.5 MB). Peak memory consumption was 422.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:25:15,989 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:25:15,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:25:15,990 INFO L168 Benchmark]: Boogie Preprocessor took 57.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:25:15,990 INFO L168 Benchmark]: RCFGBuilder took 701.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:25:15,990 INFO L168 Benchmark]: TraceAbstraction took 8638.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 249.6 MB). Free memory was 1.0 GB in the beginning and 933.0 MB in the end (delta: 99.2 MB). Peak memory consumption was 348.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:25:15,990 INFO L168 Benchmark]: Witness Printer took 88.17 ms. Allocated memory is still 1.4 GB. Free memory was 933.0 MB in the beginning and 922.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:25:15,992 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 701.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8638.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 249.6 MB). Free memory was 1.0 GB in the beginning and 933.0 MB in the end (delta: 99.2 MB). Peak memory consumption was 348.8 MB. Max. memory is 11.5 GB. * Witness Printer took 88.17 ms. Allocated memory is still 1.4 GB. Free memory was 933.0 MB in the beginning and 922.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 266 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2564 SDtfs, 1865 SDslu, 8801 SDs, 0 SdLazy, 4470 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 643 GetRequests, 526 SyntacticMatches, 4 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1094occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2520 PreInvPairs, 2660 NumberOfFragments, 1631 HoareAnnotationTreeSize, 2520 FomulaSimplifications, 6406 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 11584 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1720 NumberOfCodeBlocks, 1720 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1705 ConstructedInterpolants, 0 QuantifiedInterpolants, 356049 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2500 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 221/231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...