./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:34:14,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:34:14,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:34:14,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:34:14,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:34:14,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:34:14,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:34:14,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:34:14,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:34:14,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:34:14,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:34:14,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:34:14,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:34:14,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:34:14,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:34:14,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:34:14,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:34:14,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:34:14,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:34:14,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:34:14,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:34:14,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:34:14,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:34:14,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:34:14,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:34:14,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:34:14,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:34:14,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:34:14,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:34:14,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:34:14,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:34:14,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:34:14,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:34:14,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:34:14,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:34:14,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:34:14,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:34:14,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:34:14,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:34:14,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:34:14,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:34:14,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:34:14,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:34:14,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:34:14,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:34:14,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:34:14,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:34:14,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:34:14,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:34:14,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:34:14,564 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:34:14,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:34:14,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:34:14,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:34:14,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:34:14,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:34:14,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:34:14,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:34:14,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:34:14,566 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:34:14,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:34:14,567 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:34:14,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:34:14,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:34:14,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:34:14,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:34:14,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:34:14,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:34:14,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:34:14,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:34:14,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:34:14,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:34:14,569 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:34:14,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:34:14,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:34:14,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:34:14,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 [2021-12-06 23:34:14,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:34:14,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:34:14,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:34:14,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:34:14,785 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:34:14,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-12-06 23:34:14,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/data/443c037fc/68f6335231aa419783c46d490934b2c6/FLAGd7540ffcc [2021-12-06 23:34:15,226 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:34:15,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-12-06 23:34:15,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/data/443c037fc/68f6335231aa419783c46d490934b2c6/FLAGd7540ffcc [2021-12-06 23:34:15,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/data/443c037fc/68f6335231aa419783c46d490934b2c6 [2021-12-06 23:34:15,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:34:15,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:34:15,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:34:15,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:34:15,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:34:15,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613d8b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15, skipping insertion in model container [2021-12-06 23:34:15,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:34:15,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:34:15,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2021-12-06 23:34:15,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:34:15,494 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:34:15,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2021-12-06 23:34:15,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:34:15,555 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:34:15,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15 WrapperNode [2021-12-06 23:34:15,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:34:15,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:34:15,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:34:15,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:34:15,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,591 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 231 [2021-12-06 23:34:15,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:34:15,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:34:15,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:34:15,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:34:15,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:34:15,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:34:15,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:34:15,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:34:15,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (1/1) ... [2021-12-06 23:34:15,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:34:15,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:34:15,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:34:15,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:34:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:34:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 23:34:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 23:34:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 23:34:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 23:34:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 23:34:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 23:34:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 23:34:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 23:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 23:34:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 23:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 23:34:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 23:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 23:34:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 23:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 23:34:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 23:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:34:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:34:15,739 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:34:15,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:34:15,935 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:34:15,941 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:34:15,941 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 23:34:15,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:34:15 BoogieIcfgContainer [2021-12-06 23:34:15,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:34:15,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:34:15,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:34:15,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:34:15,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:34:15" (1/3) ... [2021-12-06 23:34:15,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74395312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:34:15, skipping insertion in model container [2021-12-06 23:34:15,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:34:15" (2/3) ... [2021-12-06 23:34:15,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74395312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:34:15, skipping insertion in model container [2021-12-06 23:34:15,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:34:15" (3/3) ... [2021-12-06 23:34:15,949 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2021-12-06 23:34:15,953 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:34:15,954 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:34:15,989 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:34:15,994 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:34:15,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:34:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-06 23:34:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 23:34:16,013 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:34:16,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:34:16,014 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:34:16,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:34:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash -362708314, now seen corresponding path program 1 times [2021-12-06 23:34:16,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:34:16,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164002162] [2021-12-06 23:34:16,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:34:16,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:34:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 23:34:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:34:16,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:34:16,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164002162] [2021-12-06 23:34:16,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164002162] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:34:16,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:34:16,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:34:16,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977729061] [2021-12-06 23:34:16,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:34:16,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 23:34:16,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:34:16,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 23:34:16,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:34:16,218 INFO L87 Difference]: Start difference. First operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:34:16,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:34:16,241 INFO L93 Difference]: Finished difference Result 166 states and 225 transitions. [2021-12-06 23:34:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 23:34:16,243 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-06 23:34:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:34:16,249 INFO L225 Difference]: With dead ends: 166 [2021-12-06 23:34:16,249 INFO L226 Difference]: Without dead ends: 78 [2021-12-06 23:34:16,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:34:16,255 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:34:16,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:34:16,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-06 23:34:16,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-06 23:34:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 23:34:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2021-12-06 23:34:16,290 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 23 [2021-12-06 23:34:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:34:16,290 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-12-06 23:34:16,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:34:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2021-12-06 23:34:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 23:34:16,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:34:16,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:34:16,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:34:16,293 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:34:16,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:34:16,294 INFO L85 PathProgramCache]: Analyzing trace with hash -218724726, now seen corresponding path program 1 times [2021-12-06 23:34:16,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:34:16,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144863142] [2021-12-06 23:34:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:34:16,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:34:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 23:34:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:34:16,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:34:16,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144863142] [2021-12-06 23:34:16,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144863142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:34:16,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:34:16,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:34:16,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787216227] [2021-12-06 23:34:16,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:34:16,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:34:16,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:34:16,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:34:16,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:34:16,357 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:34:16,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:34:16,369 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions. [2021-12-06 23:34:16,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:34:16,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-06 23:34:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:34:16,371 INFO L225 Difference]: With dead ends: 122 [2021-12-06 23:34:16,371 INFO L226 Difference]: Without dead ends: 69 [2021-12-06 23:34:16,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:34:16,373 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 12 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:34:16,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:34:16,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-06 23:34:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-06 23:34:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.32) internal successors, (66), 57 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 23:34:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2021-12-06 23:34:16,383 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 24 [2021-12-06 23:34:16,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:34:16,383 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2021-12-06 23:34:16,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:34:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2021-12-06 23:34:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 23:34:16,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:34:16,385 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:34:16,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:34:16,385 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:34:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:34:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1486339720, now seen corresponding path program 1 times [2021-12-06 23:34:16,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:34:16,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945840272] [2021-12-06 23:34:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:34:16,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:34:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:34:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:34:16,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:34:16,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945840272] [2021-12-06 23:34:16,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945840272] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:34:16,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:34:16,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:34:16,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647770116] [2021-12-06 23:34:16,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:34:16,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:34:16,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:34:16,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:34:16,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:34:16,456 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:34:16,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:34:16,540 INFO L93 Difference]: Finished difference Result 131 states and 170 transitions. [2021-12-06 23:34:16,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:34:16,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-06 23:34:16,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:34:16,543 INFO L225 Difference]: With dead ends: 131 [2021-12-06 23:34:16,543 INFO L226 Difference]: Without dead ends: 69 [2021-12-06 23:34:16,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:34:16,545 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 165 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:34:16,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:34:16,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-06 23:34:16,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-06 23:34:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.3) internal successors, (65), 57 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 23:34:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2021-12-06 23:34:16,559 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 28 [2021-12-06 23:34:16,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:34:16,559 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2021-12-06 23:34:16,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:34:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2021-12-06 23:34:16,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 23:34:16,560 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:34:16,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:34:16,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:34:16,561 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:34:16,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:34:16,561 INFO L85 PathProgramCache]: Analyzing trace with hash -123142813, now seen corresponding path program 1 times [2021-12-06 23:34:16,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:34:16,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797962007] [2021-12-06 23:34:16,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:34:16,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:34:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:34:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:34:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 23:34:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:34:16,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:34:16,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797962007] [2021-12-06 23:34:16,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797962007] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:34:16,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:34:16,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:34:16,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677039905] [2021-12-06 23:34:16,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:34:16,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:34:16,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:34:16,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:34:16,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:34:16,627 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 23:34:16,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:34:16,808 INFO L93 Difference]: Finished difference Result 219 states and 282 transitions. [2021-12-06 23:34:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 23:34:16,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2021-12-06 23:34:16,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:34:16,812 INFO L225 Difference]: With dead ends: 219 [2021-12-06 23:34:16,812 INFO L226 Difference]: Without dead ends: 157 [2021-12-06 23:34:16,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-06 23:34:16,815 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 136 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:34:16,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 347 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:34:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-12-06 23:34:16,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 127. [2021-12-06 23:34:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 90 states have (on average 1.3) internal successors, (117), 103 states have internal predecessors, (117), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2021-12-06 23:34:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2021-12-06 23:34:16,839 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 38 [2021-12-06 23:34:16,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:34:16,839 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2021-12-06 23:34:16,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 23:34:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2021-12-06 23:34:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-06 23:34:16,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:34:16,841 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:34:16,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:34:16,842 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:34:16,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:34:16,842 INFO L85 PathProgramCache]: Analyzing trace with hash -277876569, now seen corresponding path program 1 times [2021-12-06 23:34:16,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:34:16,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721939614] [2021-12-06 23:34:16,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:34:16,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:34:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 23:34:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 23:34:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:34:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 23:34:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:34:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:34:16,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:34:16,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721939614] [2021-12-06 23:34:16,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721939614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:34:16,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:34:16,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:34:16,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634659310] [2021-12-06 23:34:16,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:34:16,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:34:16,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:34:16,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:34:16,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:34:16,910 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 23:34:16,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:34:16,994 INFO L93 Difference]: Finished difference Result 212 states and 271 transitions. [2021-12-06 23:34:16,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:34:16,994 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2021-12-06 23:34:16,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:34:16,995 INFO L225 Difference]: With dead ends: 212 [2021-12-06 23:34:16,995 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:34:16,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:34:16,998 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 71 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:34:16,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 133 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:34:16,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:34:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:34:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:34:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:34:17,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-12-06 23:34:17,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:34:17,000 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:34:17,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 23:34:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:34:17,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:34:17,003 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:34:17,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:34:17,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:34:17,288 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 838 845) the Hoare annotation is: true [2021-12-06 23:34:17,288 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 838 845) no Hoare annotation was computed. [2021-12-06 23:34:17,288 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 838 845) no Hoare annotation was computed. [2021-12-06 23:34:17,288 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 771 777) no Hoare annotation was computed. [2021-12-06 23:34:17,288 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 771 777) the Hoare annotation is: true [2021-12-06 23:34:17,288 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 579 590) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-06 23:34:17,289 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2021-12-06 23:34:17,289 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 579 590) no Hoare annotation was computed. [2021-12-06 23:34:17,289 INFO L854 garLoopResultBuilder]: At program point L927(lines 922 929) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,289 INFO L854 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,289 INFO L854 garLoopResultBuilder]: At program point L824-1(lines 805 829) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,289 INFO L854 garLoopResultBuilder]: At program point L853(lines 846 856) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,289 INFO L858 garLoopResultBuilder]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2021-12-06 23:34:17,290 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 747 770) no Hoare annotation was computed. [2021-12-06 23:34:17,290 INFO L854 garLoopResultBuilder]: At program point L862(lines 857 865) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 23:34:17,290 INFO L858 garLoopResultBuilder]: For program point L751-1(lines 750 769) no Hoare annotation was computed. [2021-12-06 23:34:17,290 INFO L858 garLoopResultBuilder]: For program point L813(lines 813 821) no Hoare annotation was computed. [2021-12-06 23:34:17,290 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 826) no Hoare annotation was computed. [2021-12-06 23:34:17,290 INFO L854 garLoopResultBuilder]: At program point L425(line 425) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,290 INFO L858 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2021-12-06 23:34:17,290 INFO L854 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,290 INFO L858 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2021-12-06 23:34:17,291 INFO L858 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2021-12-06 23:34:17,291 INFO L854 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,291 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 747 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,291 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-12-06 23:34:17,291 INFO L854 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,291 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-12-06 23:34:17,291 INFO L854 garLoopResultBuilder]: At program point L559-2(lines 555 566) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,291 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-12-06 23:34:17,292 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 747 770) no Hoare annotation was computed. [2021-12-06 23:34:17,292 INFO L854 garLoopResultBuilder]: At program point L427-1(lines 419 443) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-06 23:34:17,292 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2021-12-06 23:34:17,292 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2021-12-06 23:34:17,292 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 447 476) the Hoare annotation is: true [2021-12-06 23:34:17,292 INFO L861 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2021-12-06 23:34:17,292 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-12-06 23:34:17,293 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-12-06 23:34:17,293 INFO L861 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2021-12-06 23:34:17,293 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-06 23:34:17,293 INFO L861 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2021-12-06 23:34:17,293 INFO L861 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2021-12-06 23:34:17,293 INFO L858 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2021-12-06 23:34:17,293 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 591 599) the Hoare annotation is: true [2021-12-06 23:34:17,293 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 591 599) no Hoare annotation was computed. [2021-12-06 23:34:17,293 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 591 599) no Hoare annotation was computed. [2021-12-06 23:34:17,294 INFO L854 garLoopResultBuilder]: At program point L733(lines 686 734) the Hoare annotation is: false [2021-12-06 23:34:17,294 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-12-06 23:34:17,294 INFO L858 garLoopResultBuilder]: For program point L535-2(lines 535 542) no Hoare annotation was computed. [2021-12-06 23:34:17,294 INFO L858 garLoopResultBuilder]: For program point L688(lines 687 732) no Hoare annotation was computed. [2021-12-06 23:34:17,294 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-12-06 23:34:17,294 INFO L861 garLoopResultBuilder]: At program point L519(lines 512 521) the Hoare annotation is: true [2021-12-06 23:34:17,294 INFO L854 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 23:34:17,295 INFO L854 garLoopResultBuilder]: At program point L672(lines 667 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-06 23:34:17,295 INFO L861 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-12-06 23:34:17,295 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 23:34:17,295 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 23:34:17,295 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 23:34:17,295 INFO L854 garLoopResultBuilder]: At program point L730(lines 687 732) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 23:34:17,295 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-12-06 23:34:17,295 INFO L854 garLoopResultBuilder]: At program point L664(lines 660 666) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 23:34:17,296 INFO L858 garLoopResultBuilder]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2021-12-06 23:34:17,296 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2021-12-06 23:34:17,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 23:34:17,296 INFO L854 garLoopResultBuilder]: At program point L508(lines 504 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 23:34:17,296 INFO L858 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2021-12-06 23:34:17,296 INFO L854 garLoopResultBuilder]: At program point L657(lines 653 659) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 23:34:17,297 INFO L854 garLoopResultBuilder]: At program point L723-2(lines 717 728) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 23:34:17,297 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2021-12-06 23:34:17,297 INFO L858 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2021-12-06 23:34:17,297 INFO L861 garLoopResultBuilder]: At program point L736(lines 677 740) the Hoare annotation is: true [2021-12-06 23:34:17,297 INFO L854 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-06 23:34:17,297 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 567 578) no Hoare annotation was computed. [2021-12-06 23:34:17,297 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 567 578) no Hoare annotation was computed. [2021-12-06 23:34:17,298 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 567 578) the Hoare annotation is: true [2021-12-06 23:34:17,298 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 779 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,298 INFO L854 garLoopResultBuilder]: At program point L793(line 793) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,298 INFO L854 garLoopResultBuilder]: At program point L917(lines 902 920) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,298 INFO L854 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,298 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 795) no Hoare annotation was computed. [2021-12-06 23:34:17,298 INFO L858 garLoopResultBuilder]: For program point L783(lines 783 800) no Hoare annotation was computed. [2021-12-06 23:34:17,299 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2021-12-06 23:34:17,299 INFO L858 garLoopResultBuilder]: For program point L911-2(lines 911 915) no Hoare annotation was computed. [2021-12-06 23:34:17,299 INFO L854 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,299 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 779 803) no Hoare annotation was computed. [2021-12-06 23:34:17,299 INFO L854 garLoopResultBuilder]: At program point L637(lines 632 640) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 23:34:17,299 INFO L858 garLoopResultBuilder]: For program point L798-1(lines 779 803) no Hoare annotation was computed. [2021-12-06 23:34:17,302 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 23:34:17,304 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:34:17,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:34:17 BoogieIcfgContainer [2021-12-06 23:34:17,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:34:17,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:34:17,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:34:17,319 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:34:17,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:34:15" (3/4) ... [2021-12-06 23:34:17,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 23:34:17,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-06 23:34:17,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-06 23:34:17,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 23:34:17,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 23:34:17,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 23:34:17,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 23:34:17,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:34:17,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:34:17,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-12-06 23:34:17,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2021-12-06 23:34:17,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2021-12-06 23:34:17,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 23:34:17,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-12-06 23:34:17,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-12-06 23:34:17,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 23:34:17,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-06 23:34:17,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 23:34:17,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 23:34:17,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 23:34:17,381 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:34:17,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:34:17,382 INFO L158 Benchmark]: Toolchain (without parser) took 2133.33ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 65.3MB in the beginning and 50.3MB in the end (delta: 14.9MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2021-12-06 23:34:17,382 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 82.4MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:34:17,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.14ms. Allocated memory is still 109.1MB. Free memory was 65.0MB in the beginning and 73.5MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 23:34:17,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:34:17,383 INFO L158 Benchmark]: Boogie Preprocessor took 20.13ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:34:17,383 INFO L158 Benchmark]: RCFGBuilder took 330.35ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 53.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 23:34:17,384 INFO L158 Benchmark]: TraceAbstraction took 1374.46ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 53.3MB in the beginning and 55.6MB in the end (delta: -2.2MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-12-06 23:34:17,384 INFO L158 Benchmark]: Witness Printer took 61.91ms. Allocated memory is still 132.1MB. Free memory was 55.6MB in the beginning and 50.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 23:34:17,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 82.4MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.14ms. Allocated memory is still 109.1MB. Free memory was 65.0MB in the beginning and 73.5MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.13ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.35ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 53.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1374.46ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 53.3MB in the beginning and 55.6MB in the end (delta: -2.2MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 61.91ms. Allocated memory is still 132.1MB. Free memory was 55.6MB in the beginning and 50.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 926]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 384 mSDsluCounter, 920 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 524 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 396 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 292 PreInvPairs, 314 NumberOfFragments, 359 HoareAnnotationTreeSize, 292 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 746 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 23:34:17,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abb520e-0f74-4470-9bbd-5d205a5492c1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE