./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:16:36,396 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:16:36,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:16:36,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:16:36,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:16:36,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:16:36,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:16:36,408 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:16:36,409 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:16:36,410 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:16:36,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:16:36,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:16:36,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:16:36,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:16:36,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:16:36,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:16:36,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:16:36,415 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:16:36,416 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:16:36,417 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:16:36,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:16:36,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:16:36,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:16:36,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:16:36,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:16:36,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:16:36,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:16:36,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:16:36,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:16:36,424 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:16:36,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:16:36,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:16:36,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:16:36,425 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:16:36,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:16:36,426 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:16:36,426 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 22:16:36,436 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:16:36,436 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:16:36,436 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:16:36,436 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 22:16:36,437 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 22:16:36,437 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 22:16:36,437 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 22:16:36,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:16:36,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:16:36,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 22:16:36,438 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:16:36,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 22:16:36,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:16:36,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:16:36,440 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_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2018-12-02 22:16:36,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:16:36,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:16:36,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:16:36,475 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:16:36,475 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:16:36,476 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-02 22:16:36,510 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/data/e1efe600c/cb2883321b194df9a1c15da36aec7fe9/FLAG8f958747c [2018-12-02 22:16:36,879 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:16:36,879 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-02 22:16:36,885 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/data/e1efe600c/cb2883321b194df9a1c15da36aec7fe9/FLAG8f958747c [2018-12-02 22:16:37,246 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/data/e1efe600c/cb2883321b194df9a1c15da36aec7fe9 [2018-12-02 22:16:37,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:16:37,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:16:37,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:16:37,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:16:37,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:16:37,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20866eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37, skipping insertion in model container [2018-12-02 22:16:37,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:16:37,278 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:16:37,429 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:16:37,436 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:16:37,527 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:16:37,543 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:16:37,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37 WrapperNode [2018-12-02 22:16:37,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:16:37,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:16:37,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:16:37,544 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:16:37,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:16:37,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:16:37,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:16:37,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:16:37,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... [2018-12-02 22:16:37,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:16:37,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:16:37,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:16:37,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:16:37,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/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 [2018-12-02 22:16:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 22:16:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 22:16:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 22:16:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 22:16:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 22:16:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 22:16:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 22:16:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 22:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 22:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 22:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 22:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 22:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 22:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 22:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 22:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 22:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 22:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 22:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 22:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 22:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 22:16:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 22:16:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 22:16:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 22:16:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 22:16:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 22:16:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 22:16:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 22:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 22:16:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 22:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 22:16:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 22:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 22:16:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 22:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 22:16:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 22:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 22:16:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 22:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 22:16:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 22:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 22:16:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 22:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 22:16:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 22:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 22:16:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 22:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 22:16:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 22:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 22:16:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 22:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 22:16:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 22:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 22:16:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 22:16:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 22:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 22:16:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 22:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 22:16:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 22:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 22:16:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:16:37,973 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:16:37,973 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 22:16:37,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:16:37 BoogieIcfgContainer [2018-12-02 22:16:37,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:16:37,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 22:16:37,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 22:16:37,977 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 22:16:37,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:16:37" (1/3) ... [2018-12-02 22:16:37,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1233f9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:16:37, skipping insertion in model container [2018-12-02 22:16:37,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:37" (2/3) ... [2018-12-02 22:16:37,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1233f9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:16:37, skipping insertion in model container [2018-12-02 22:16:37,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:16:37" (3/3) ... [2018-12-02 22:16:37,980 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-02 22:16:37,988 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 22:16:37,995 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 22:16:38,008 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 22:16:38,025 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 22:16:38,026 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 22:16:38,026 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 22:16:38,026 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 22:16:38,026 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 22:16:38,026 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 22:16:38,026 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 22:16:38,026 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 22:16:38,026 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 22:16:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-12-02 22:16:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 22:16:38,049 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:38,050 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:38,052 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:38,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:38,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1699285121, now seen corresponding path program 1 times [2018-12-02 22:16:38,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:38,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:38,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:38,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:38,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:38,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 22:16:38,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 22:16:38,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 22:16:38,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 22:16:38,244 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-12-02 22:16:38,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:38,266 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-12-02 22:16:38,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 22:16:38,267 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 22:16:38,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:38,274 INFO L225 Difference]: With dead ends: 280 [2018-12-02 22:16:38,274 INFO L226 Difference]: Without dead ends: 142 [2018-12-02 22:16:38,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 22:16:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-12-02 22:16:38,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-12-02 22:16:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-12-02 22:16:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-12-02 22:16:38,306 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2018-12-02 22:16:38,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:38,307 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-12-02 22:16:38,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 22:16:38,307 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-12-02 22:16:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 22:16:38,308 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:38,308 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:38,309 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:38,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:38,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1214983917, now seen corresponding path program 1 times [2018-12-02 22:16:38,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:38,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:38,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:38,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:38,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:38,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:16:38,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:16:38,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:16:38,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:16:38,382 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2018-12-02 22:16:38,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:38,400 INFO L93 Difference]: Finished difference Result 225 states and 263 transitions. [2018-12-02 22:16:38,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:16:38,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 22:16:38,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:38,403 INFO L225 Difference]: With dead ends: 225 [2018-12-02 22:16:38,403 INFO L226 Difference]: Without dead ends: 133 [2018-12-02 22:16:38,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:16:38,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-02 22:16:38,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-02 22:16:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-02 22:16:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2018-12-02 22:16:38,415 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2018-12-02 22:16:38,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:38,416 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2018-12-02 22:16:38,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:16:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2018-12-02 22:16:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 22:16:38,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:38,417 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:38,418 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:38,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:38,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1925814479, now seen corresponding path program 1 times [2018-12-02 22:16:38,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:38,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:38,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:38,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:38,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:38,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:16:38,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:16:38,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:16:38,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:16:38,502 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 3 states. [2018-12-02 22:16:38,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:38,518 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-12-02 22:16:38,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:16:38,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-12-02 22:16:38,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:38,520 INFO L225 Difference]: With dead ends: 238 [2018-12-02 22:16:38,520 INFO L226 Difference]: Without dead ends: 133 [2018-12-02 22:16:38,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:16:38,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-02 22:16:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-02 22:16:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-02 22:16:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2018-12-02 22:16:38,532 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2018-12-02 22:16:38,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:38,534 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2018-12-02 22:16:38,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:16:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2018-12-02 22:16:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 22:16:38,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:38,536 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:38,536 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:38,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:38,537 INFO L82 PathProgramCache]: Analyzing trace with hash -890209421, now seen corresponding path program 1 times [2018-12-02 22:16:38,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:38,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:38,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:38,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:38,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:38,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 22:16:38,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 22:16:38,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 22:16:38,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 22:16:38,621 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 5 states. [2018-12-02 22:16:38,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:38,935 INFO L93 Difference]: Finished difference Result 344 states and 415 transitions. [2018-12-02 22:16:38,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 22:16:38,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-12-02 22:16:38,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:38,937 INFO L225 Difference]: With dead ends: 344 [2018-12-02 22:16:38,937 INFO L226 Difference]: Without dead ends: 239 [2018-12-02 22:16:38,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:16:38,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-12-02 22:16:38,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2018-12-02 22:16:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-12-02 22:16:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2018-12-02 22:16:38,958 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2018-12-02 22:16:38,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:38,958 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2018-12-02 22:16:38,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 22:16:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2018-12-02 22:16:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 22:16:38,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:38,960 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:38,960 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:38,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:38,961 INFO L82 PathProgramCache]: Analyzing trace with hash -924989195, now seen corresponding path program 1 times [2018-12-02 22:16:38,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:38,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:38,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:38,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:39,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:39,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 22:16:39,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 22:16:39,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 22:16:39,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:16:39,041 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 8 states. [2018-12-02 22:16:39,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:39,070 INFO L93 Difference]: Finished difference Result 419 states and 493 transitions. [2018-12-02 22:16:39,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 22:16:39,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-12-02 22:16:39,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:39,072 INFO L225 Difference]: With dead ends: 419 [2018-12-02 22:16:39,073 INFO L226 Difference]: Without dead ends: 227 [2018-12-02 22:16:39,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:16:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-02 22:16:39,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2018-12-02 22:16:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-12-02 22:16:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-12-02 22:16:39,085 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2018-12-02 22:16:39,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:39,086 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-12-02 22:16:39,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 22:16:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-12-02 22:16:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 22:16:39,087 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:39,087 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:39,087 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:39,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:39,088 INFO L82 PathProgramCache]: Analyzing trace with hash -947621449, now seen corresponding path program 1 times [2018-12-02 22:16:39,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:39,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:39,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:39,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:16:39,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:39,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 22:16:39,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:16:39,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:16:39,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:16:39,170 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 7 states. [2018-12-02 22:16:39,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:39,538 INFO L93 Difference]: Finished difference Result 438 states and 517 transitions. [2018-12-02 22:16:39,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 22:16:39,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-02 22:16:39,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:39,540 INFO L225 Difference]: With dead ends: 438 [2018-12-02 22:16:39,540 INFO L226 Difference]: Without dead ends: 242 [2018-12-02 22:16:39,541 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 22:16:39,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-12-02 22:16:39,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 223. [2018-12-02 22:16:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-02 22:16:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2018-12-02 22:16:39,558 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2018-12-02 22:16:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:39,558 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2018-12-02 22:16:39,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:16:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2018-12-02 22:16:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 22:16:39,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:39,560 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:39,560 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:39,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:39,560 INFO L82 PathProgramCache]: Analyzing trace with hash 102938631, now seen corresponding path program 1 times [2018-12-02 22:16:39,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:39,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:39,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:39,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:39,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:39,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:39,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 22:16:39,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 22:16:39,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 22:16:39,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 22:16:39,603 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 6 states. [2018-12-02 22:16:39,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:39,629 INFO L93 Difference]: Finished difference Result 423 states and 488 transitions. [2018-12-02 22:16:39,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 22:16:39,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-02 22:16:39,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:39,631 INFO L225 Difference]: With dead ends: 423 [2018-12-02 22:16:39,631 INFO L226 Difference]: Without dead ends: 228 [2018-12-02 22:16:39,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:16:39,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-12-02 22:16:39,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-12-02 22:16:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-02 22:16:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2018-12-02 22:16:39,645 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2018-12-02 22:16:39,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:39,645 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2018-12-02 22:16:39,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 22:16:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2018-12-02 22:16:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 22:16:39,646 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:39,646 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:39,647 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:39,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:39,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1764947894, now seen corresponding path program 1 times [2018-12-02 22:16:39,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:39,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:39,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:39,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:39,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:39,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:16:39,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:16:39,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:16:39,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:16:39,705 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 4 states. [2018-12-02 22:16:39,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:39,827 INFO L93 Difference]: Finished difference Result 667 states and 791 transitions. [2018-12-02 22:16:39,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 22:16:39,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-02 22:16:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:39,830 INFO L225 Difference]: With dead ends: 667 [2018-12-02 22:16:39,830 INFO L226 Difference]: Without dead ends: 467 [2018-12-02 22:16:39,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:16:39,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-12-02 22:16:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 458. [2018-12-02 22:16:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-12-02 22:16:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 532 transitions. [2018-12-02 22:16:39,859 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 532 transitions. Word has length 93 [2018-12-02 22:16:39,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:39,860 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 532 transitions. [2018-12-02 22:16:39,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:16:39,860 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 532 transitions. [2018-12-02 22:16:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 22:16:39,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:39,861 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:39,862 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:39,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:39,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1197173488, now seen corresponding path program 1 times [2018-12-02 22:16:39,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:39,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:39,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:39,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:16:39,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:39,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 22:16:39,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 22:16:39,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 22:16:39,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-02 22:16:39,973 INFO L87 Difference]: Start difference. First operand 458 states and 532 transitions. Second operand 9 states. [2018-12-02 22:16:40,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:40,493 INFO L93 Difference]: Finished difference Result 1203 states and 1461 transitions. [2018-12-02 22:16:40,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 22:16:40,493 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-12-02 22:16:40,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:40,497 INFO L225 Difference]: With dead ends: 1203 [2018-12-02 22:16:40,497 INFO L226 Difference]: Without dead ends: 845 [2018-12-02 22:16:40,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-02 22:16:40,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-12-02 22:16:40,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 764. [2018-12-02 22:16:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2018-12-02 22:16:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 877 transitions. [2018-12-02 22:16:40,538 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 877 transitions. Word has length 97 [2018-12-02 22:16:40,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:40,539 INFO L480 AbstractCegarLoop]: Abstraction has 764 states and 877 transitions. [2018-12-02 22:16:40,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 22:16:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 877 transitions. [2018-12-02 22:16:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 22:16:40,540 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:40,540 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 22:16:40,540 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:40,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:40,541 INFO L82 PathProgramCache]: Analyzing trace with hash 608844856, now seen corresponding path program 1 times [2018-12-02 22:16:40,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:40,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:40,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:40,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:40,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 22:16:40,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:40,647 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/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 [2018-12-02 22:16:40,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:40,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 22:16:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:16:40,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 22:16:40,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-12-02 22:16:40,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 22:16:40,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 22:16:40,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-12-02 22:16:40,838 INFO L87 Difference]: Start difference. First operand 764 states and 877 transitions. Second operand 16 states. [2018-12-02 22:16:41,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:41,555 INFO L93 Difference]: Finished difference Result 1740 states and 2073 transitions. [2018-12-02 22:16:41,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 22:16:41,555 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2018-12-02 22:16:41,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:41,558 INFO L225 Difference]: With dead ends: 1740 [2018-12-02 22:16:41,558 INFO L226 Difference]: Without dead ends: 1074 [2018-12-02 22:16:41,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-12-02 22:16:41,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2018-12-02 22:16:41,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 930. [2018-12-02 22:16:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2018-12-02 22:16:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1077 transitions. [2018-12-02 22:16:41,595 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1077 transitions. Word has length 159 [2018-12-02 22:16:41,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:41,595 INFO L480 AbstractCegarLoop]: Abstraction has 930 states and 1077 transitions. [2018-12-02 22:16:41,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 22:16:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1077 transitions. [2018-12-02 22:16:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-02 22:16:41,598 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:41,598 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:41,598 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:41,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:41,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1562211069, now seen corresponding path program 1 times [2018-12-02 22:16:41,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:41,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:41,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:41,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:41,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 98 proven. 16 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-02 22:16:41,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:41,694 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/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 [2018-12-02 22:16:41,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:41,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 22:16:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 205 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 22:16:41,984 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 22:16:41,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-12-02 22:16:41,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 22:16:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 22:16:41,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-02 22:16:41,985 INFO L87 Difference]: Start difference. First operand 930 states and 1077 transitions. Second operand 18 states. [2018-12-02 22:16:43,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:43,503 INFO L93 Difference]: Finished difference Result 2499 states and 3060 transitions. [2018-12-02 22:16:43,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-02 22:16:43,503 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 281 [2018-12-02 22:16:43,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:43,508 INFO L225 Difference]: With dead ends: 2499 [2018-12-02 22:16:43,508 INFO L226 Difference]: Without dead ends: 1361 [2018-12-02 22:16:43,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-12-02 22:16:43,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2018-12-02 22:16:43,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1243. [2018-12-02 22:16:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2018-12-02 22:16:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1422 transitions. [2018-12-02 22:16:43,579 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1422 transitions. Word has length 281 [2018-12-02 22:16:43,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:43,580 INFO L480 AbstractCegarLoop]: Abstraction has 1243 states and 1422 transitions. [2018-12-02 22:16:43,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 22:16:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1422 transitions. [2018-12-02 22:16:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-12-02 22:16:43,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:43,585 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 22:16:43,585 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:43,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:43,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1078201551, now seen corresponding path program 1 times [2018-12-02 22:16:43,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 22:16:43,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 22:16:43,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:43,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:43,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-12-02 22:16:43,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:43,674 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/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 [2018-12-02 22:16:43,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:43,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 22:16:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-02 22:16:43,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 22:16:43,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-02 22:16:43,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 22:16:43,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 22:16:43,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-02 22:16:43,861 INFO L87 Difference]: Start difference. First operand 1243 states and 1422 transitions. Second operand 13 states. [2018-12-02 22:16:43,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:43,910 INFO L93 Difference]: Finished difference Result 1509 states and 1717 transitions. [2018-12-02 22:16:43,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 22:16:43,910 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 362 [2018-12-02 22:16:43,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:43,911 INFO L225 Difference]: With dead ends: 1509 [2018-12-02 22:16:43,911 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 22:16:43,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-02 22:16:43,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 22:16:43,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 22:16:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 22:16:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 22:16:43,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2018-12-02 22:16:43,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:43,913 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 22:16:43,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 22:16:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 22:16:43,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 22:16:43,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 22:16:43,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:43,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:43,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:43,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:43,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:43,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:43,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:43,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:44,803 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-12-02 22:16:46,036 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2018-12-02 22:16:46,138 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2018-12-02 22:16:46,138 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2018-12-02 22:16:46,138 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2018-12-02 22:16:46,138 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2018-12-02 22:16:46,138 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2))) [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2018-12-02 22:16:46,139 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4))) [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse5) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4 .cse5))) [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L451 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-12-02 22:16:46,139 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-02 22:16:46,139 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L444 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 22:16:46,140 INFO L444 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L444 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,140 INFO L444 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,140 INFO L444 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2018-12-02 22:16:46,140 INFO L451 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2018-12-02 22:16:46,140 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2018-12-02 22:16:46,141 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,141 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-02 22:16:46,141 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-02 22:16:46,141 INFO L448 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2018-12-02 22:16:46,141 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-02 22:16:46,141 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (and (= processEnvironment_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))))) [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2018-12-02 22:16:46,142 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L444 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L444 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L448 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2018-12-02 22:16:46,142 INFO L444 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 22:16:46,143 INFO L444 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (= |old(~systemActive~0)| 0) (and (= 1 ~waterLevel~0) .cse3) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-02 22:16:46,143 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L451 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-12-02 22:16:46,143 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2018-12-02 22:16:46,144 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2018-12-02 22:16:46,144 INFO L451 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true [2018-12-02 22:16:46,144 INFO L448 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L451 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2018-12-02 22:16:46,144 INFO L448 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L451 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2018-12-02 22:16:46,144 INFO L451 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2018-12-02 22:16:46,144 INFO L448 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2018-12-02 22:16:46,144 INFO L444 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse3 .cse4) (or (or .cse2 .cse5) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse1 .cse2 .cse5) .cse0)))) [2018-12-02 22:16:46,145 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse3 .cse1 .cse4) (or (or .cse3 .cse1 .cse2) .cse0) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2018-12-02 22:16:46,145 INFO L444 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (and (= ~pumpRunning~0 1) .cse4) (or .cse1 .cse2 .cse3) .cse0)))) [2018-12-02 22:16:46,145 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2018-12-02 22:16:46,145 INFO L444 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 .cse2))) [2018-12-02 22:16:46,145 INFO L448 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed. [2018-12-02 22:16:46,145 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2018-12-02 22:16:46,145 INFO L448 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed. [2018-12-02 22:16:46,145 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 22:16:46,145 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2018-12-02 22:16:46,145 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2018-12-02 22:16:46,145 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2018-12-02 22:16:46,146 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2018-12-02 22:16:46,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 22:16:46,146 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-02 22:16:46,146 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 22:16:46,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 22:16:46,146 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2018-12-02 22:16:46,146 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (or (or .cse2 .cse3) (not (= 1 ~pumpRunning~0)))))) [2018-12-02 22:16:46,146 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2018-12-02 22:16:46,146 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-02 22:16:46,146 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2018-12-02 22:16:46,146 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-02 22:16:46,147 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2018-12-02 22:16:46,147 INFO L444 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-02 22:16:46,147 INFO L444 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-02 22:16:46,147 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2018-12-02 22:16:46,147 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-02 22:16:46,147 INFO L448 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-12-02 22:16:46,147 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2018-12-02 22:16:46,147 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2018-12-02 22:16:46,147 INFO L448 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2018-12-02 22:16:46,147 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse3 .cse0) .cse2) (or (or .cse3 .cse0 (not (= |old(~waterLevel~0)| 1))) .cse1))) [2018-12-02 22:16:46,147 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 22:16:46,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 22:16:46,148 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 22:16:46,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 22:16:46,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:16:46 BoogieIcfgContainer [2018-12-02 22:16:46,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 22:16:46,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:16:46,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:16:46,158 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:16:46,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:16:37" (3/4) ... [2018-12-02 22:16:46,162 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 22:16:46,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 22:16:46,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 22:16:46,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 22:16:46,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 22:16:46,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 22:16:46,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 22:16:46,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 22:16:46,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 22:16:46,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 22:16:46,176 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 22:16:46,176 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 22:16:46,176 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 22:16:46,177 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 22:16:46,177 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 22:16:46,177 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 22:16:46,195 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) [2018-12-02 22:16:46,195 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-12-02 22:16:46,216 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c146fa17-ff7a-4633-a92c-ad8a7eb284fd/bin-2019/uautomizer/witness.graphml [2018-12-02 22:16:46,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:16:46,217 INFO L168 Benchmark]: Toolchain (without parser) took 8968.94 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 556.3 MB). Free memory was 950.6 MB in the beginning and 1.5 GB in the end (delta: -509.6 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:46,217 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:16:46,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:46,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:16:46,218 INFO L168 Benchmark]: Boogie Preprocessor took 22.54 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:46,218 INFO L168 Benchmark]: RCFGBuilder took 377.44 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:46,218 INFO L168 Benchmark]: TraceAbstraction took 8183.66 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 429.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -408.4 MB). Peak memory consumption was 543.1 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:46,218 INFO L168 Benchmark]: Witness Printer took 58.16 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 585.3 kB). Peak memory consumption was 585.3 kB. Max. memory is 11.5 GB. [2018-12-02 22:16:46,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.54 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 377.44 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8183.66 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 429.9 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -408.4 MB). Peak memory consumption was 543.1 MB. Max. memory is 11.5 GB. * Witness Printer took 58.16 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 585.3 kB). Peak memory consumption was 585.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 155 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2311 SDtfs, 2276 SDslu, 7351 SDs, 0 SdLazy, 5342 SolverSat, 1206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 987 GetRequests, 853 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1243occurred 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, 393 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1843 PreInvPairs, 1925 NumberOfFragments, 1731 HoareAnnotationTreeSize, 1843 FomulaSimplifications, 9778 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 17103 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2333 NumberOfCodeBlocks, 2333 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2318 ConstructedInterpolants, 0 QuantifiedInterpolants, 698797 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3557 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1710/1769 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...