./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL --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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:31:04,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:31:04,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:31:04,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:31:04,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:31:04,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:31:04,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:31:04,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:31:04,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:31:04,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:31:04,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:31:04,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:31:04,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:31:04,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:31:04,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:31:04,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:31:04,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:31:04,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:31:04,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:31:04,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:31:04,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:31:04,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:31:04,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:31:04,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:31:04,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:31:04,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:31:04,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:31:04,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:31:04,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:31:04,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:31:04,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:31:04,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:31:04,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:31:04,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:31:04,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:31:04,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:31:04,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:31:04,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:31:04,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:31:04,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:31:04,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:31:04,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 04:31:04,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:31:04,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:31:04,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:31:04,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:31:04,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:31:04,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:31:04,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:31:04,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:31:04,831 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:31:04,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:31:04,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:31:04,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:31:04,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:31:04,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:31:04,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:31:04,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:31:04,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:31:04,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:31:04,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:31:04,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:31:04,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:31:04,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:31:04,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:31:04,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:31:04,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:31:04,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:31:04,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:31:04,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:31:04,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:31:04,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:31:04,836 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:31:04,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:31:04,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:31:04,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:31:04,837 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_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2021-11-19 04:31:05,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:31:05,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:31:05,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:31:05,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:31:05,151 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:31:05,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2021-11-19 04:31:05,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/data/2eadc4d7b/8be149d68cd144f78e98a2735a0508a8/FLAG911f592ef [2021-11-19 04:31:05,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:31:05,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2021-11-19 04:31:05,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/data/2eadc4d7b/8be149d68cd144f78e98a2735a0508a8/FLAG911f592ef [2021-11-19 04:31:06,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/data/2eadc4d7b/8be149d68cd144f78e98a2735a0508a8 [2021-11-19 04:31:06,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:31:06,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:31:06,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:31:06,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:31:06,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:31:06,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1a041d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06, skipping insertion in model container [2021-11-19 04:31:06,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:31:06,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:31:06,417 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_64f20b13-cc84-4c30-9530-a64b1e95df5c/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2021-11-19 04:31:06,426 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:31:06,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:31:06,535 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_64f20b13-cc84-4c30-9530-a64b1e95df5c/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2021-11-19 04:31:06,545 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:31:06,575 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:31:06,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06 WrapperNode [2021-11-19 04:31:06,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:31:06,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:31:06,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:31:06,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:31:06,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,657 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 230 [2021-11-19 04:31:06,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:31:06,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:31:06,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:31:06,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:31:06,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:31:06,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:31:06,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:31:06,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:31:06,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (1/1) ... [2021-11-19 04:31:06,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:31:06,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:31:06,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:31:06,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:31:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:31:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-19 04:31:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-19 04:31:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-19 04:31:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-19 04:31:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-19 04:31:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-19 04:31:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-19 04:31:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-19 04:31:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-19 04:31:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-19 04:31:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-19 04:31:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-19 04:31:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-19 04:31:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-19 04:31:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-19 04:31:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-19 04:31:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:31:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-19 04:31:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-19 04:31:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:31:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:31:06,873 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:31:06,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:31:07,185 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:31:07,202 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:31:07,202 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 04:31:07,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:31:07 BoogieIcfgContainer [2021-11-19 04:31:07,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:31:07,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:31:07,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:31:07,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:31:07,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:31:06" (1/3) ... [2021-11-19 04:31:07,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410c6e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:31:07, skipping insertion in model container [2021-11-19 04:31:07,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:31:06" (2/3) ... [2021-11-19 04:31:07,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410c6e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:31:07, skipping insertion in model container [2021-11-19 04:31:07,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:31:07" (3/3) ... [2021-11-19 04:31:07,214 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2021-11-19 04:31:07,219 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:31:07,220 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:31:07,273 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:31:07,281 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 [2021-11-19 04:31:07,281 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 04:31:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 78 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-19 04:31:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 04:31:07,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:31:07,312 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] [2021-11-19 04:31:07,313 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:31:07,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:31:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1391773790, now seen corresponding path program 1 times [2021-11-19 04:31:07,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:31:07,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982940968] [2021-11-19 04:31:07,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:31:07,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:31:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:31:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:31:07,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:31:07,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982940968] [2021-11-19 04:31:07,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982940968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:31:07,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:31:07,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:31:07,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539061766] [2021-11-19 04:31:07,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:31:07,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 04:31:07,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:31:07,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:31:07,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:31:07,714 INFO L87 Difference]: Start difference. First operand has 96 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 78 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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) [2021-11-19 04:31:07,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:31:07,786 INFO L93 Difference]: Finished difference Result 184 states and 247 transitions. [2021-11-19 04:31:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:31:07,788 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 [2021-11-19 04:31:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:31:07,800 INFO L225 Difference]: With dead ends: 184 [2021-11-19 04:31:07,801 INFO L226 Difference]: Without dead ends: 87 [2021-11-19 04:31:07,806 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 [2021-11-19 04:31:07,813 INFO L933 BasicCegarLoop]: 120 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, 120 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 [2021-11-19 04:31:07,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:31:07,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-19 04:31:07,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-19 04:31:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-19 04:31:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2021-11-19 04:31:07,897 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 23 [2021-11-19 04:31:07,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:31:07,898 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2021-11-19 04:31:07,898 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) [2021-11-19 04:31:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2021-11-19 04:31:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 04:31:07,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:31:07,908 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] [2021-11-19 04:31:07,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:31:07,910 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:31:07,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:31:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash -60307296, now seen corresponding path program 1 times [2021-11-19 04:31:07,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:31:07,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889888513] [2021-11-19 04:31:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:31:07,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:31:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-19 04:31:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:31:08,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:31:08,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889888513] [2021-11-19 04:31:08,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889888513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:31:08,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:31:08,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:31:08,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86368075] [2021-11-19 04:31:08,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:31:08,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:31:08,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:31:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:31:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:31:08,084 INFO L87 Difference]: Start difference. First operand 87 states and 111 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) [2021-11-19 04:31:08,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:31:08,119 INFO L93 Difference]: Finished difference Result 135 states and 171 transitions. [2021-11-19 04:31:08,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:31:08,120 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 [2021-11-19 04:31:08,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:31:08,125 INFO L225 Difference]: With dead ends: 135 [2021-11-19 04:31:08,127 INFO L226 Difference]: Without dead ends: 78 [2021-11-19 04:31:08,128 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 [2021-11-19 04:31:08,132 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 17 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 174 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 [2021-11-19 04:31:08,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:31:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-19 04:31:08,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-19 04:31:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 64 states have internal predecessors, (73), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-19 04:31:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2021-11-19 04:31:08,147 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 24 [2021-11-19 04:31:08,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:31:08,148 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2021-11-19 04:31:08,148 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) [2021-11-19 04:31:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2021-11-19 04:31:08,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-19 04:31:08,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:31:08,151 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] [2021-11-19 04:31:08,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:31:08,151 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:31:08,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:31:08,152 INFO L85 PathProgramCache]: Analyzing trace with hash -352747749, now seen corresponding path program 1 times [2021-11-19 04:31:08,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:31:08,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461700694] [2021-11-19 04:31:08,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:31:08,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:31:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-19 04:31:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:31:08,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:31:08,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461700694] [2021-11-19 04:31:08,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461700694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:31:08,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:31:08,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:31:08,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644055693] [2021-11-19 04:31:08,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:31:08,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:31:08,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:31:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:31:08,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:31:08,278 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-19 04:31:08,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:31:08,320 INFO L93 Difference]: Finished difference Result 218 states and 282 transitions. [2021-11-19 04:31:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:31:08,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2021-11-19 04:31:08,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:31:08,323 INFO L225 Difference]: With dead ends: 218 [2021-11-19 04:31:08,323 INFO L226 Difference]: Without dead ends: 147 [2021-11-19 04:31:08,324 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 [2021-11-19 04:31:08,326 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 91 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:31:08,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 209 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:31:08,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-11-19 04:31:08,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2021-11-19 04:31:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 101 states have (on average 1.3267326732673268) internal successors, (134), 116 states have internal predecessors, (134), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2021-11-19 04:31:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 186 transitions. [2021-11-19 04:31:08,355 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 186 transitions. Word has length 29 [2021-11-19 04:31:08,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:31:08,356 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 186 transitions. [2021-11-19 04:31:08,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-19 04:31:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 186 transitions. [2021-11-19 04:31:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-19 04:31:08,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:31:08,359 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] [2021-11-19 04:31:08,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:31:08,359 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:31:08,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:31:08,360 INFO L85 PathProgramCache]: Analyzing trace with hash 601572044, now seen corresponding path program 1 times [2021-11-19 04:31:08,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:31:08,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899429950] [2021-11-19 04:31:08,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:31:08,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:31:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-19 04:31:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:31:08,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:31:08,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899429950] [2021-11-19 04:31:08,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899429950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:31:08,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:31:08,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:31:08,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186601109] [2021-11-19 04:31:08,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:31:08,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:31:08,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:31:08,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:31:08,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:31:08,456 INFO L87 Difference]: Start difference. First operand 144 states and 186 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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) [2021-11-19 04:31:08,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:31:08,600 INFO L93 Difference]: Finished difference Result 418 states and 549 transitions. [2021-11-19 04:31:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:31:08,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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 32 [2021-11-19 04:31:08,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:31:08,606 INFO L225 Difference]: With dead ends: 418 [2021-11-19 04:31:08,606 INFO L226 Difference]: Without dead ends: 281 [2021-11-19 04:31:08,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:31:08,610 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 70 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:31:08,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 488 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:31:08,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-11-19 04:31:08,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 275. [2021-11-19 04:31:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 190 states have (on average 1.3157894736842106) internal successors, (250), 219 states have internal predecessors, (250), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 34 states have call predecessors, (54), 52 states have call successors, (54) [2021-11-19 04:31:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 356 transitions. [2021-11-19 04:31:08,653 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 356 transitions. Word has length 32 [2021-11-19 04:31:08,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:31:08,653 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 356 transitions. [2021-11-19 04:31:08,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 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) [2021-11-19 04:31:08,654 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 356 transitions. [2021-11-19 04:31:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-19 04:31:08,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:31:08,657 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] [2021-11-19 04:31:08,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:31:08,658 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:31:08,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:31:08,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1041210672, now seen corresponding path program 1 times [2021-11-19 04:31:08,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:31:08,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233606727] [2021-11-19 04:31:08,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:31:08,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:31:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-19 04:31:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-19 04:31:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:31:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:31:08,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:31:08,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233606727] [2021-11-19 04:31:08,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233606727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:31:08,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:31:08,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:31:08,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619453215] [2021-11-19 04:31:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:31:08,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:31:08,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:31:08,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:31:08,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:31:08,761 INFO L87 Difference]: Start difference. First operand 275 states and 356 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 04:31:08,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:31:08,884 INFO L93 Difference]: Finished difference Result 455 states and 590 transitions. [2021-11-19 04:31:08,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:31:08,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-11-19 04:31:08,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:31:08,886 INFO L225 Difference]: With dead ends: 455 [2021-11-19 04:31:08,886 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 04:31:08,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:31:08,890 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 55 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:31:08,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 143 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:31:08,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 04:31:08,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 04:31:08,893 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) [2021-11-19 04:31:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 04:31:08,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-11-19 04:31:08,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:31:08,894 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:31:08,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 04:31:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 04:31:08,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 04:31:08,897 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 04:31:08,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 04:31:08,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 04:31:09,449 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 765 772) the Hoare annotation is: true [2021-11-19 04:31:09,450 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2021-11-19 04:31:09,450 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2021-11-19 04:31:09,451 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 681 687) no Hoare annotation was computed. [2021-11-19 04:31:09,451 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 681 687) the Hoare annotation is: true [2021-11-19 04:31:09,459 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-19 04:31:09,459 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2021-11-19 04:31:09,459 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2021-11-19 04:31:09,460 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 900) no Hoare annotation was computed. [2021-11-19 04:31:09,460 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 882 911) no Hoare annotation was computed. [2021-11-19 04:31:09,460 INFO L861 garLoopResultBuilder]: At program point L896-1(lines 896 900) the Hoare annotation is: true [2021-11-19 04:31:09,460 INFO L858 garLoopResultBuilder]: For program point L893(line 893) no Hoare annotation was computed. [2021-11-19 04:31:09,460 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 882 911) the Hoare annotation is: true [2021-11-19 04:31:09,461 INFO L861 garLoopResultBuilder]: At program point L892-2(lines 892 906) the Hoare annotation is: true [2021-11-19 04:31:09,461 INFO L861 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2021-11-19 04:31:09,461 INFO L858 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2021-11-19 04:31:09,461 INFO L861 garLoopResultBuilder]: At program point L907(lines 882 911) the Hoare annotation is: true [2021-11-19 04:31:09,462 INFO L858 garLoopResultBuilder]: For program point L903(line 903) no Hoare annotation was computed. [2021-11-19 04:31:09,463 INFO L854 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,463 INFO L854 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,464 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 570) no Hoare annotation was computed. [2021-11-19 04:31:09,464 INFO L854 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,464 INFO L858 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2021-11-19 04:31:09,464 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 573) no Hoare annotation was computed. [2021-11-19 04:31:09,465 INFO L854 garLoopResultBuilder]: At program point L560-1(lines 552 576) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0)))) [2021-11-19 04:31:09,465 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 657 680) no Hoare annotation was computed. [2021-11-19 04:31:09,465 INFO L854 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-19 04:31:09,466 INFO L854 garLoopResultBuilder]: At program point L734-1(lines 715 739) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-19 04:31:09,466 INFO L858 garLoopResultBuilder]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2021-11-19 04:31:09,466 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-11-19 04:31:09,466 INFO L854 garLoopResultBuilder]: At program point L429-2(lines 425 436) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,467 INFO L854 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-11-19 04:31:09,467 INFO L858 garLoopResultBuilder]: For program point L661-1(lines 660 679) no Hoare annotation was computed. [2021-11-19 04:31:09,468 INFO L858 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2021-11-19 04:31:09,468 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2021-11-19 04:31:09,468 INFO L854 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-19 04:31:09,469 INFO L858 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-11-19 04:31:09,469 INFO L858 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2021-11-19 04:31:09,470 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 657 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-19 04:31:09,471 INFO L854 garLoopResultBuilder]: At program point L877(lines 872 879) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,471 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 657 680) no Hoare annotation was computed. [2021-11-19 04:31:09,471 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2021-11-19 04:31:09,476 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2021-11-19 04:31:09,477 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2021-11-19 04:31:09,479 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2021-11-19 04:31:09,479 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 636) no Hoare annotation was computed. [2021-11-19 04:31:09,481 INFO L854 garLoopResultBuilder]: At program point L630-2(lines 622 637) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-19 04:31:09,483 INFO L858 garLoopResultBuilder]: For program point L593(lines 592 641) no Hoare annotation was computed. [2021-11-19 04:31:09,483 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 637) no Hoare annotation was computed. [2021-11-19 04:31:09,483 INFO L854 garLoopResultBuilder]: At program point L940(lines 936 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-19 04:31:09,484 INFO L854 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-19 04:31:09,484 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 04:31:09,484 INFO L854 garLoopResultBuilder]: At program point L639(lines 592 641) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-19 04:31:09,484 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 04:31:09,484 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 04:31:09,484 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 608) no Hoare annotation was computed. [2021-11-19 04:31:09,485 INFO L858 garLoopResultBuilder]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2021-11-19 04:31:09,485 INFO L854 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: false [2021-11-19 04:31:09,485 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-11-19 04:31:09,485 INFO L854 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-19 04:31:09,485 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 04:31:09,486 INFO L854 garLoopResultBuilder]: At program point L537(lines 533 539) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-19 04:31:09,486 INFO L861 garLoopResultBuilder]: At program point L950(lines 943 952) the Hoare annotation is: true [2021-11-19 04:31:09,486 INFO L861 garLoopResultBuilder]: At program point L645(lines 582 649) the Hoare annotation is: true [2021-11-19 04:31:09,486 INFO L858 garLoopResultBuilder]: For program point L612(lines 612 618) no Hoare annotation was computed. [2021-11-19 04:31:09,486 INFO L854 garLoopResultBuilder]: At program point L868(lines 863 870) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-19 04:31:09,487 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 970) no Hoare annotation was computed. [2021-11-19 04:31:09,487 INFO L858 garLoopResultBuilder]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2021-11-19 04:31:09,487 INFO L858 garLoopResultBuilder]: For program point L963-2(lines 963 970) no Hoare annotation was computed. [2021-11-19 04:31:09,487 INFO L854 garLoopResultBuilder]: At program point L604(line 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-19 04:31:09,488 INFO L854 garLoopResultBuilder]: At program point L860(lines 848 862) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-19 04:31:09,488 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-11-19 04:31:09,488 INFO L858 garLoopResultBuilder]: For program point L852-1(lines 852 858) no Hoare annotation was computed. [2021-11-19 04:31:09,489 INFO L854 garLoopResultBuilder]: At program point L530(lines 526 532) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-19 04:31:09,490 INFO L861 garLoopResultBuilder]: At program point L972(lines 953 975) the Hoare annotation is: true [2021-11-19 04:31:09,490 INFO L854 garLoopResultBuilder]: At program point L642(lines 591 643) the Hoare annotation is: false [2021-11-19 04:31:09,490 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2021-11-19 04:31:09,491 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2021-11-19 04:31:09,492 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2021-11-19 04:31:09,492 INFO L854 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,492 INFO L854 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,492 INFO L854 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,493 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2021-11-19 04:31:09,493 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2021-11-19 04:31:09,493 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 689 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-19 04:31:09,493 INFO L854 garLoopResultBuilder]: At program point L844(lines 829 847) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-19 04:31:09,493 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 689 713) no Hoare annotation was computed. [2021-11-19 04:31:09,494 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2021-11-19 04:31:09,494 INFO L858 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2021-11-19 04:31:09,494 INFO L854 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-19 04:31:09,494 INFO L858 garLoopResultBuilder]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2021-11-19 04:31:09,495 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 773 783) the Hoare annotation is: true [2021-11-19 04:31:09,495 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2021-11-19 04:31:09,497 INFO L861 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2021-11-19 04:31:09,498 INFO L858 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2021-11-19 04:31:09,498 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 773 783) no Hoare annotation was computed. [2021-11-19 04:31:09,502 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 04:31:09,506 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:31:09,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:31:09 BoogieIcfgContainer [2021-11-19 04:31:09,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:31:09,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:31:09,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:31:09,548 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:31:09,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:31:07" (3/4) ... [2021-11-19 04:31:09,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 04:31:09,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-19 04:31:09,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-19 04:31:09,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-19 04:31:09,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-19 04:31:09,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-19 04:31:09,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-19 04:31:09,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-19 04:31:09,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-19 04:31:09,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-19 04:31:09,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-19 04:31:09,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-19 04:31:09,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 04:31:09,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 04:31:09,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 04:31:09,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 04:31:09,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 04:31:09,618 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-19 04:31:09,620 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-19 04:31:09,621 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2021-11-19 04:31:09,622 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-11-19 04:31:09,623 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-19 04:31:09,623 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-19 04:31:09,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-19 04:31:09,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 04:31:09,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:31:09,670 INFO L158 Benchmark]: Toolchain (without parser) took 3582.11ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 89.1MB in the beginning and 53.9MB in the end (delta: 35.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-11-19 04:31:09,671 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:31:09,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.19ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 84.7MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 04:31:09,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.28ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:31:09,672 INFO L158 Benchmark]: Boogie Preprocessor took 54.22ms. Allocated memory is still 119.5MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:31:09,673 INFO L158 Benchmark]: RCFGBuilder took 491.13ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 64.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 04:31:09,673 INFO L158 Benchmark]: TraceAbstraction took 2335.78ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 64.3MB in the beginning and 60.1MB in the end (delta: 4.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-19 04:31:09,674 INFO L158 Benchmark]: Witness Printer took 126.48ms. Allocated memory is still 144.7MB. Free memory was 60.1MB in the beginning and 53.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 04:31:09,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.19ms. Allocated memory is still 119.5MB. Free memory was 88.8MB in the beginning and 84.7MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.28ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.22ms. Allocated memory is still 119.5MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.13ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 64.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2335.78ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 64.3MB in the beginning and 60.1MB in the end (delta: 4.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 126.48ms. Allocated memory is still 144.7MB. Free memory was 60.1MB in the beginning and 53.9MB in the end (delta: 6.3MB). 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: 876]: 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 10 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 1134 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 634 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 500 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 445 PreInvPairs, 489 NumberOfFragments, 236 HoareAnnotationTreeSize, 445 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1289 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 263 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: 552]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 04:31:09,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f20b13-cc84-4c30-9530-a64b1e95df5c/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE