./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:38:55,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:38:55,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:38:55,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:38:55,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:38:55,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:38:55,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:38:55,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:38:55,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:38:55,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:38:55,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:38:55,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:38:55,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:38:55,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:38:55,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:38:55,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:38:55,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:38:55,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:38:55,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:38:55,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:38:55,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:38:55,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:38:55,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:38:55,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:38:55,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:38:55,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:38:55,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:38:55,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:38:55,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:38:55,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:38:55,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:38:55,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:38:55,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:38:55,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:38:55,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:38:55,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:38:55,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:38:55,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:38:55,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:38:55,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:38:55,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:38:55,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:38:55,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:38:55,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:38:55,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:38:55,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:38:55,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:38:55,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:38:55,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:38:55,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:38:55,837 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:38:55,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:38:55,837 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:38:55,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:38:55,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:38:55,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:38:55,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:38:55,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:38:55,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:38:55,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:38:55,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:38:55,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:38:55,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:38:55,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:38:55,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:38:55,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:38:55,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:38:55,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:38:55,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:38:55,840 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_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf [2021-12-06 22:38:56,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:38:56,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:38:56,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:38:56,044 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:38:56,044 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:38:56,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-12-06 22:38:56,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/data/799408f44/55004446c86e48d98c5522f24069d4a1/FLAGe7632189d [2021-12-06 22:38:56,481 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:38:56,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-12-06 22:38:56,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/data/799408f44/55004446c86e48d98c5522f24069d4a1/FLAGe7632189d [2021-12-06 22:38:56,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/data/799408f44/55004446c86e48d98c5522f24069d4a1 [2021-12-06 22:38:56,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:38:56,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:38:56,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:38:56,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:38:56,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:38:56,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67aa449d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56, skipping insertion in model container [2021-12-06 22:38:56,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:38:56,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:38:56,673 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_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2021-12-06 22:38:56,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:38:56,748 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:38:56,761 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_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2021-12-06 22:38:56,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:38:56,815 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:38:56,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56 WrapperNode [2021-12-06 22:38:56,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:38:56,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:38:56,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:38:56,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:38:56,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,866 INFO L137 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 281 [2021-12-06 22:38:56,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:38:56,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:38:56,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:38:56,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:38:56,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:38:56,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:38:56,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:38:56,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:38:56,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (1/1) ... [2021-12-06 22:38:56,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:38:56,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:38:56,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:38:56,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:38:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:38:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 22:38:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 22:38:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 22:38:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 22:38:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 22:38:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 22:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 22:38:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 22:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 22:38:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 22:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 22:38:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 22:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 22:38:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 22:38:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 22:38:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 22:38:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 22:38:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 22:38:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:38:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 22:38:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 22:38:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:38:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:38:57,036 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:38:57,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:38:57,300 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:38:57,308 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:38:57,308 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:38:57,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:38:57 BoogieIcfgContainer [2021-12-06 22:38:57,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:38:57,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:38:57,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:38:57,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:38:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:38:56" (1/3) ... [2021-12-06 22:38:57,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c142d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:38:57, skipping insertion in model container [2021-12-06 22:38:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:56" (2/3) ... [2021-12-06 22:38:57,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c142d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:38:57, skipping insertion in model container [2021-12-06 22:38:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:38:57" (3/3) ... [2021-12-06 22:38:57,317 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2021-12-06 22:38:57,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:38:57,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:38:57,356 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:38:57,362 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:38:57,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:38:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-06 22:38:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 22:38:57,383 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:57,384 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] [2021-12-06 22:38:57,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:57,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:57,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1947167556, now seen corresponding path program 1 times [2021-12-06 22:38:57,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:57,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446852671] [2021-12-06 22:38:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:57,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 22:38:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:38:57,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:57,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446852671] [2021-12-06 22:38:57,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446852671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:57,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:57,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:38:57,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896394003] [2021-12-06 22:38:57,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:57,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:38:57,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:57,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:38:57,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:38:57,608 INFO L87 Difference]: Start difference. First operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:57,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:57,636 INFO L93 Difference]: Finished difference Result 219 states and 298 transitions. [2021-12-06 22:38:57,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:38:57,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2021-12-06 22:38:57,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:57,647 INFO L225 Difference]: With dead ends: 219 [2021-12-06 22:38:57,647 INFO L226 Difference]: Without dead ends: 105 [2021-12-06 22:38:57,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:38:57,655 INFO L933 BasicCegarLoop]: 146 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, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:57,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:38:57,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-12-06 22:38:57,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-12-06 22:38:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 86 states have internal predecessors, (100), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-12-06 22:38:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2021-12-06 22:38:57,692 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 25 [2021-12-06 22:38:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:57,693 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2021-12-06 22:38:57,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:57,693 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2021-12-06 22:38:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 22:38:57,695 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:57,695 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] [2021-12-06 22:38:57,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:38:57,696 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:57,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:57,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1638616570, now seen corresponding path program 1 times [2021-12-06 22:38:57,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:57,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143482584] [2021-12-06 22:38:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:57,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:38:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:38:57,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:57,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143482584] [2021-12-06 22:38:57,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143482584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:57,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:57,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:38:57,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469598233] [2021-12-06 22:38:57,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:57,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:38:57,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:57,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:38:57,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:38:57,763 INFO L87 Difference]: Start difference. First operand 105 states and 137 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:57,777 INFO L93 Difference]: Finished difference Result 171 states and 223 transitions. [2021-12-06 22:38:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:38:57,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2021-12-06 22:38:57,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:57,779 INFO L225 Difference]: With dead ends: 171 [2021-12-06 22:38:57,779 INFO L226 Difference]: Without dead ends: 96 [2021-12-06 22:38:57,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:38:57,782 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 16 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:57,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:38:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-06 22:38:57,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-06 22:38:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 80 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-06 22:38:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2021-12-06 22:38:57,792 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 26 [2021-12-06 22:38:57,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:57,792 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2021-12-06 22:38:57,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-12-06 22:38:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 22:38:57,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:57,794 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] [2021-12-06 22:38:57,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:38:57,794 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:57,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1033007084, now seen corresponding path program 1 times [2021-12-06 22:38:57,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:57,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132817796] [2021-12-06 22:38:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:57,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:38:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:38:57,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:57,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132817796] [2021-12-06 22:38:57,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132817796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:57,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:57,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:38:57,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595072235] [2021-12-06 22:38:57,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:57,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:38:57,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:57,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:38:57,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:38:57,857 INFO L87 Difference]: Start difference. First operand 96 states and 125 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:58,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:58,009 INFO L93 Difference]: Finished difference Result 314 states and 416 transitions. [2021-12-06 22:38:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:38:58,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2021-12-06 22:38:58,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:58,013 INFO L225 Difference]: With dead ends: 314 [2021-12-06 22:38:58,013 INFO L226 Difference]: Without dead ends: 226 [2021-12-06 22:38:58,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:38:58,016 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 258 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:58,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 572 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:38:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-12-06 22:38:58,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2021-12-06 22:38:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 159 states have (on average 1.3584905660377358) internal successors, (216), 181 states have internal predecessors, (216), 37 states have call successors, (37), 23 states have call predecessors, (37), 23 states have return successors, (38), 25 states have call predecessors, (38), 37 states have call successors, (38) [2021-12-06 22:38:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 291 transitions. [2021-12-06 22:38:58,049 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 291 transitions. Word has length 30 [2021-12-06 22:38:58,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:58,050 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 291 transitions. [2021-12-06 22:38:58,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 291 transitions. [2021-12-06 22:38:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 22:38:58,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:58,053 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] [2021-12-06 22:38:58,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:38:58,053 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:58,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:58,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1394669962, now seen corresponding path program 1 times [2021-12-06 22:38:58,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:58,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263957523] [2021-12-06 22:38:58,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:58,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:38:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:38:58,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:58,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263957523] [2021-12-06 22:38:58,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263957523] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:58,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:58,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:38:58,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922983676] [2021-12-06 22:38:58,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:58,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:38:58,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:58,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:38:58,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:38:58,115 INFO L87 Difference]: Start difference. First operand 220 states and 291 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:58,190 INFO L93 Difference]: Finished difference Result 542 states and 733 transitions. [2021-12-06 22:38:58,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:38:58,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 34 [2021-12-06 22:38:58,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:58,194 INFO L225 Difference]: With dead ends: 542 [2021-12-06 22:38:58,194 INFO L226 Difference]: Without dead ends: 330 [2021-12-06 22:38:58,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:38:58,197 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 95 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:58,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 463 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:38:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-12-06 22:38:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 313. [2021-12-06 22:38:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 228 states have (on average 1.2894736842105263) internal successors, (294), 249 states have internal predecessors, (294), 46 states have call successors, (46), 38 states have call predecessors, (46), 38 states have return successors, (60), 41 states have call predecessors, (60), 46 states have call successors, (60) [2021-12-06 22:38:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 400 transitions. [2021-12-06 22:38:58,235 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 400 transitions. Word has length 34 [2021-12-06 22:38:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:58,236 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 400 transitions. [2021-12-06 22:38:58,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:38:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 400 transitions. [2021-12-06 22:38:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-06 22:38:58,239 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:58,239 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:38:58,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:38:58,239 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:58,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:58,240 INFO L85 PathProgramCache]: Analyzing trace with hash -261508897, now seen corresponding path program 1 times [2021-12-06 22:38:58,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:58,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981824311] [2021-12-06 22:38:58,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:58,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:38:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:38:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:38:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:38:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:38:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:38:58,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:58,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981824311] [2021-12-06 22:38:58,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981824311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:58,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:58,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:38:58,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142132214] [2021-12-06 22:38:58,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:58,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:38:58,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:58,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:38:58,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:38:58,333 INFO L87 Difference]: Start difference. First operand 313 states and 400 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 22:38:58,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:58,478 INFO L93 Difference]: Finished difference Result 690 states and 909 transitions. [2021-12-06 22:38:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:38:58,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2021-12-06 22:38:58,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:58,482 INFO L225 Difference]: With dead ends: 690 [2021-12-06 22:38:58,482 INFO L226 Difference]: Without dead ends: 385 [2021-12-06 22:38:58,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:38:58,485 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 79 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:58,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 435 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:38:58,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-12-06 22:38:58,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 373. [2021-12-06 22:38:58,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 274 states have (on average 1.27007299270073) internal successors, (348), 295 states have internal predecessors, (348), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2021-12-06 22:38:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 472 transitions. [2021-12-06 22:38:58,519 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 472 transitions. Word has length 61 [2021-12-06 22:38:58,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:58,520 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 472 transitions. [2021-12-06 22:38:58,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 22:38:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 472 transitions. [2021-12-06 22:38:58,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-06 22:38:58,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:58,522 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:38:58,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:38:58,522 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:58,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:58,523 INFO L85 PathProgramCache]: Analyzing trace with hash -333895455, now seen corresponding path program 1 times [2021-12-06 22:38:58,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:58,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665637051] [2021-12-06 22:38:58,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:58,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:38:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:38:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:38:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:38:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:38:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:38:58,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:58,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665637051] [2021-12-06 22:38:58,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665637051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:58,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:58,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:38:58,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406380575] [2021-12-06 22:38:58,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:58,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:38:58,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:58,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:38:58,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:38:58,609 INFO L87 Difference]: Start difference. First operand 373 states and 472 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 22:38:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:58,737 INFO L93 Difference]: Finished difference Result 756 states and 985 transitions. [2021-12-06 22:38:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:38:58,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2021-12-06 22:38:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:58,740 INFO L225 Difference]: With dead ends: 756 [2021-12-06 22:38:58,740 INFO L226 Difference]: Without dead ends: 391 [2021-12-06 22:38:58,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:38:58,748 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 121 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:58,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 478 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:38:58,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-12-06 22:38:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 377. [2021-12-06 22:38:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 278 states have (on average 1.2661870503597121) internal successors, (352), 299 states have internal predecessors, (352), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2021-12-06 22:38:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 476 transitions. [2021-12-06 22:38:58,769 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 476 transitions. Word has length 61 [2021-12-06 22:38:58,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:58,769 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 476 transitions. [2021-12-06 22:38:58,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 22:38:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 476 transitions. [2021-12-06 22:38:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-06 22:38:58,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:58,770 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:38:58,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:38:58,771 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:58,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:58,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1177900957, now seen corresponding path program 1 times [2021-12-06 22:38:58,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:58,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137052874] [2021-12-06 22:38:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:58,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:38:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:38:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:38:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:38:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:38:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:38:58,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:58,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137052874] [2021-12-06 22:38:58,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137052874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:58,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:58,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:38:58,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117369788] [2021-12-06 22:38:58,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:58,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:38:58,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:58,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:38:58,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:38:58,849 INFO L87 Difference]: Start difference. First operand 377 states and 476 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 22:38:59,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:59,048 INFO L93 Difference]: Finished difference Result 1076 states and 1414 transitions. [2021-12-06 22:38:59,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:38:59,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2021-12-06 22:38:59,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:59,054 INFO L225 Difference]: With dead ends: 1076 [2021-12-06 22:38:59,054 INFO L226 Difference]: Without dead ends: 707 [2021-12-06 22:38:59,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:38:59,058 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 246 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:59,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 374 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:38:59,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2021-12-06 22:38:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 700. [2021-12-06 22:38:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 518 states have (on average 1.2413127413127414) internal successors, (643), 551 states have internal predecessors, (643), 93 states have call successors, (93), 83 states have call predecessors, (93), 88 states have return successors, (152), 93 states have call predecessors, (152), 93 states have call successors, (152) [2021-12-06 22:38:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 888 transitions. [2021-12-06 22:38:59,117 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 888 transitions. Word has length 61 [2021-12-06 22:38:59,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:59,118 INFO L470 AbstractCegarLoop]: Abstraction has 700 states and 888 transitions. [2021-12-06 22:38:59,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-12-06 22:38:59,118 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 888 transitions. [2021-12-06 22:38:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-06 22:38:59,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:59,120 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:38:59,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:38:59,121 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:59,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:59,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1002671561, now seen corresponding path program 1 times [2021-12-06 22:38:59,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:59,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263448015] [2021-12-06 22:38:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:59,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:38:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:38:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:38:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:38:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:38:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 22:38:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:38:59,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:59,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263448015] [2021-12-06 22:38:59,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263448015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:59,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:59,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:38:59,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664309893] [2021-12-06 22:38:59,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:59,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:38:59,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:59,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:38:59,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:38:59,189 INFO L87 Difference]: Start difference. First operand 700 states and 888 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 22:38:59,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:38:59,461 INFO L93 Difference]: Finished difference Result 1359 states and 1822 transitions. [2021-12-06 22:38:59,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:38:59,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2021-12-06 22:38:59,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:38:59,471 INFO L225 Difference]: With dead ends: 1359 [2021-12-06 22:38:59,471 INFO L226 Difference]: Without dead ends: 1357 [2021-12-06 22:38:59,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:38:59,473 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 372 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:38:59,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 278 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:38:59,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2021-12-06 22:38:59,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1235. [2021-12-06 22:38:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 906 states have (on average 1.2406181015452538) internal successors, (1124), 975 states have internal predecessors, (1124), 176 states have call successors, (176), 128 states have call predecessors, (176), 152 states have return successors, (364), 171 states have call predecessors, (364), 176 states have call successors, (364) [2021-12-06 22:38:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1664 transitions. [2021-12-06 22:38:59,544 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1664 transitions. Word has length 65 [2021-12-06 22:38:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:38:59,545 INFO L470 AbstractCegarLoop]: Abstraction has 1235 states and 1664 transitions. [2021-12-06 22:38:59,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 22:38:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1664 transitions. [2021-12-06 22:38:59,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-06 22:38:59,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:38:59,551 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:38:59,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:38:59,551 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:38:59,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:59,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1100850766, now seen corresponding path program 1 times [2021-12-06 22:38:59,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:59,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774179508] [2021-12-06 22:38:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:59,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:38:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:38:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:38:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:38:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:38:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:38:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:38:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:38:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:38:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 22:38:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:38:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:38:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:38:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:38:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 22:38:59,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:59,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774179508] [2021-12-06 22:38:59,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774179508] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:38:59,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079804699] [2021-12-06 22:38:59,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:59,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:38:59,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:38:59,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:38:59,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:38:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:59,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 22:38:59,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:39:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 67 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-06 22:39:00,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:39:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-06 22:39:00,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079804699] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:39:00,319 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:39:00,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 8] total 18 [2021-12-06 22:39:00,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495682830] [2021-12-06 22:39:00,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:39:00,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:39:00,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:00,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:39:00,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:39:00,322 INFO L87 Difference]: Start difference. First operand 1235 states and 1664 transitions. Second operand has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 15 states have internal predecessors, (177), 10 states have call successors, (32), 11 states have call predecessors, (32), 10 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2021-12-06 22:39:01,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:01,134 INFO L93 Difference]: Finished difference Result 2405 states and 3383 transitions. [2021-12-06 22:39:01,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-06 22:39:01,134 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 15 states have internal predecessors, (177), 10 states have call successors, (32), 11 states have call predecessors, (32), 10 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 133 [2021-12-06 22:39:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:01,141 INFO L225 Difference]: With dead ends: 2405 [2021-12-06 22:39:01,142 INFO L226 Difference]: Without dead ends: 1319 [2021-12-06 22:39:01,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=452, Invalid=1618, Unknown=0, NotChecked=0, Total=2070 [2021-12-06 22:39:01,147 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 962 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:01,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [962 Valid, 1034 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:39:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2021-12-06 22:39:01,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1269. [2021-12-06 22:39:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 935 states have (on average 1.2245989304812834) internal successors, (1145), 998 states have internal predecessors, (1145), 180 states have call successors, (180), 147 states have call predecessors, (180), 153 states have return successors, (265), 166 states have call predecessors, (265), 180 states have call successors, (265) [2021-12-06 22:39:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1590 transitions. [2021-12-06 22:39:01,207 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1590 transitions. Word has length 133 [2021-12-06 22:39:01,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:01,207 INFO L470 AbstractCegarLoop]: Abstraction has 1269 states and 1590 transitions. [2021-12-06 22:39:01,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.833333333333334) internal successors, (177), 15 states have internal predecessors, (177), 10 states have call successors, (32), 11 states have call predecessors, (32), 10 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2021-12-06 22:39:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1590 transitions. [2021-12-06 22:39:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-06 22:39:01,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:01,210 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:39:01,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:39:01,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:39:01,411 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:01,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:01,411 INFO L85 PathProgramCache]: Analyzing trace with hash 574544253, now seen corresponding path program 1 times [2021-12-06 22:39:01,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:01,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421378481] [2021-12-06 22:39:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:01,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:39:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:39:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:39:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:39:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:39:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:39:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 22:39:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:39:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 22:39:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 22:39:01,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:01,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421378481] [2021-12-06 22:39:01,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421378481] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:39:01,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330227425] [2021-12-06 22:39:01,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:01,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:39:01,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:39:01,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:39:01,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:39:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 22:39:01,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:39:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:39:01,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:39:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 22:39:02,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330227425] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:39:02,095 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:39:02,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 7] total 21 [2021-12-06 22:39:02,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285558027] [2021-12-06 22:39:02,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:39:02,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 22:39:02,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:02,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 22:39:02,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:39:02,098 INFO L87 Difference]: Start difference. First operand 1269 states and 1590 transitions. Second operand has 21 states, 21 states have (on average 8.523809523809524) internal successors, (179), 15 states have internal predecessors, (179), 7 states have call successors, (32), 7 states have call predecessors, (32), 8 states have return successors, (31), 10 states have call predecessors, (31), 7 states have call successors, (31) [2021-12-06 22:39:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:04,706 INFO L93 Difference]: Finished difference Result 6054 states and 8112 transitions. [2021-12-06 22:39:04,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-12-06 22:39:04,707 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.523809523809524) internal successors, (179), 15 states have internal predecessors, (179), 7 states have call successors, (32), 7 states have call predecessors, (32), 8 states have return successors, (31), 10 states have call predecessors, (31), 7 states have call successors, (31) Word has length 122 [2021-12-06 22:39:04,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:04,738 INFO L225 Difference]: With dead ends: 6054 [2021-12-06 22:39:04,738 INFO L226 Difference]: Without dead ends: 4793 [2021-12-06 22:39:04,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 283 SyntacticMatches, 3 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5963 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1887, Invalid=14369, Unknown=0, NotChecked=0, Total=16256 [2021-12-06 22:39:04,750 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1660 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 3825 mSolverCounterSat, 1064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 2195 SdHoareTripleChecker+Invalid, 4889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1064 IncrementalHoareTripleChecker+Valid, 3825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:04,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1684 Valid, 2195 Invalid, 4889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1064 Valid, 3825 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 22:39:04,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4793 states. [2021-12-06 22:39:04,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4793 to 3668. [2021-12-06 22:39:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3668 states, 2661 states have (on average 1.1916572717023675) internal successors, (3171), 2850 states have internal predecessors, (3171), 534 states have call successors, (534), 438 states have call predecessors, (534), 472 states have return successors, (819), 486 states have call predecessors, (819), 534 states have call successors, (819) [2021-12-06 22:39:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3668 states and 4524 transitions. [2021-12-06 22:39:04,979 INFO L78 Accepts]: Start accepts. Automaton has 3668 states and 4524 transitions. Word has length 122 [2021-12-06 22:39:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:04,979 INFO L470 AbstractCegarLoop]: Abstraction has 3668 states and 4524 transitions. [2021-12-06 22:39:04,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.523809523809524) internal successors, (179), 15 states have internal predecessors, (179), 7 states have call successors, (32), 7 states have call predecessors, (32), 8 states have return successors, (31), 10 states have call predecessors, (31), 7 states have call successors, (31) [2021-12-06 22:39:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4524 transitions. [2021-12-06 22:39:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-06 22:39:04,985 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:04,986 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:39:05,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:39:05,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 22:39:05,187 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:05,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:05,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1012222074, now seen corresponding path program 1 times [2021-12-06 22:39:05,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:05,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313474905] [2021-12-06 22:39:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:05,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:39:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:39:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:39:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:39:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:39:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:39:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:39:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:39:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 22:39:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:39:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:39:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 22:39:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 22:39:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 22:39:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:39:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-06 22:39:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 44 proven. 34 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-12-06 22:39:05,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:05,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313474905] [2021-12-06 22:39:05,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313474905] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:39:05,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493494238] [2021-12-06 22:39:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:05,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:39:05,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:39:05,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:39:05,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:39:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:05,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:39:05,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:39:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-12-06 22:39:05,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:39:05,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493494238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:05,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:39:05,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2021-12-06 22:39:05,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119250828] [2021-12-06 22:39:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:05,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:39:05,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:05,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:39:05,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:39:05,723 INFO L87 Difference]: Start difference. First operand 3668 states and 4524 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-06 22:39:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:05,938 INFO L93 Difference]: Finished difference Result 7308 states and 9036 transitions. [2021-12-06 22:39:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:39:05,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 184 [2021-12-06 22:39:05,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:05,959 INFO L225 Difference]: With dead ends: 7308 [2021-12-06 22:39:05,959 INFO L226 Difference]: Without dead ends: 3648 [2021-12-06 22:39:05,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:39:05,970 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 87 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:05,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 836 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:39:05,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2021-12-06 22:39:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3584. [2021-12-06 22:39:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 2617 states have (on average 1.1761559037065341) internal successors, (3078), 2782 states have internal predecessors, (3078), 520 states have call successors, (520), 424 states have call predecessors, (520), 446 states have return successors, (739), 472 states have call predecessors, (739), 520 states have call successors, (739) [2021-12-06 22:39:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4337 transitions. [2021-12-06 22:39:06,128 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4337 transitions. Word has length 184 [2021-12-06 22:39:06,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:06,129 INFO L470 AbstractCegarLoop]: Abstraction has 3584 states and 4337 transitions. [2021-12-06 22:39:06,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-06 22:39:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4337 transitions. [2021-12-06 22:39:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-06 22:39:06,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:06,135 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:39:06,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 22:39:06,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 22:39:06,336 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:06,336 INFO L85 PathProgramCache]: Analyzing trace with hash 879719178, now seen corresponding path program 2 times [2021-12-06 22:39:06,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:06,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885535171] [2021-12-06 22:39:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:06,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 22:39:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:39:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:39:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:39:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:39:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 22:39:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-06 22:39:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 22:39:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 22:39:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:39:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 22:39:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 22:39:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:39:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:39:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:39:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:39:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 22:39:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 64 proven. 17 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-06 22:39:06,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:06,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885535171] [2021-12-06 22:39:06,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885535171] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:39:06,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021908646] [2021-12-06 22:39:06,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:39:06,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:39:06,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:39:06,592 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:39:06,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:39:06,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:39:06,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:39:06,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:39:06,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:39:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-12-06 22:39:06,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:39:06,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021908646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:06,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:39:06,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [21] total 26 [2021-12-06 22:39:06,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227268165] [2021-12-06 22:39:06,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:06,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:39:06,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:06,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:39:06,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-12-06 22:39:06,904 INFO L87 Difference]: Start difference. First operand 3584 states and 4337 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-06 22:39:07,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:07,066 INFO L93 Difference]: Finished difference Result 6016 states and 7266 transitions. [2021-12-06 22:39:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:39:07,067 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 180 [2021-12-06 22:39:07,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:07,069 INFO L225 Difference]: With dead ends: 6016 [2021-12-06 22:39:07,069 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:39:07,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-12-06 22:39:07,083 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 81 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:07,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 786 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:39:07,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:39:07,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:39:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:39:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:39:07,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2021-12-06 22:39:07,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:07,085 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:39:07,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-06 22:39:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:39:07,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:39:07,088 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:39:07,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-06 22:39:07,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 22:39:07,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:39:19,131 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 521 528) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2021-12-06 22:39:19,131 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 521 528) no Hoare annotation was computed. [2021-12-06 22:39:19,131 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 521 528) no Hoare annotation was computed. [2021-12-06 22:39:19,131 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 411 417) no Hoare annotation was computed. [2021-12-06 22:39:19,132 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 411 417) the Hoare annotation is: true [2021-12-06 22:39:19,132 INFO L854 garLoopResultBuilder]: At program point L459(line 459) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) (let ((.cse2 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) .cse2) (or (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~8#1| 0) .cse2))) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,132 INFO L854 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) (let ((.cse2 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) .cse2) (or (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~8#1| 0) .cse2))) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,132 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 461) no Hoare annotation was computed. [2021-12-06 22:39:19,132 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 466) no Hoare annotation was computed. [2021-12-06 22:39:19,132 INFO L854 garLoopResultBuilder]: At program point L309(lines 304 312) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,132 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 445 469) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,132 INFO L854 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,133 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 445 469) no Hoare annotation was computed. [2021-12-06 22:39:19,133 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 445 469) no Hoare annotation was computed. [2021-12-06 22:39:19,133 INFO L854 garLoopResultBuilder]: At program point L619(lines 604 622) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) (let ((.cse2 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) .cse2) (or (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~8#1| 0) .cse2))) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,133 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2021-12-06 22:39:19,133 INFO L858 garLoopResultBuilder]: For program point L613-2(lines 613 617) no Hoare annotation was computed. [2021-12-06 22:39:19,133 INFO L858 garLoopResultBuilder]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2021-12-06 22:39:19,133 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 237 248) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse4 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 0 |old(~methaneLevelCritical~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (<= 1 ~methaneLevelCritical~0) .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4 .cse5 .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse3 .cse4 .cse5 (= 0 ~systemActive~0) .cse2))) [2021-12-06 22:39:19,133 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2021-12-06 22:39:19,133 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 249 257) the Hoare annotation is: true [2021-12-06 22:39:19,133 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 249 257) no Hoare annotation was computed. [2021-12-06 22:39:19,134 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2021-12-06 22:39:19,134 INFO L854 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse12 (not (= |old(~waterLevel~0)| 0))) (.cse6 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (= ~waterLevel~0 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse2 .cse3 .cse4 .cse6 (and .cse8 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~5#1|) (= ~methAndRunningLastTime~0 0) .cse9 .cse10) .cse1) (or .cse3 .cse11 .cse5 .cse0 .cse6 .cse1 .cse7) (or (and .cse8 .cse9 .cse10) .cse3 .cse11 .cse0 .cse6 .cse1) (or .cse2 .cse3 .cse4 .cse12 .cse6 .cse1 .cse13) (or .cse3 .cse11 .cse0 .cse12 .cse6 .cse1 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse13)))) [2021-12-06 22:39:19,134 INFO L854 garLoopResultBuilder]: At program point L477(line 477) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (<= ~waterLevel~0 1)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse12 (not (= |old(~waterLevel~0)| 0))) (.cse6 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (= ~waterLevel~0 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse3 .cse8 .cse5 .cse0 .cse6 .cse1 .cse7) (or (and .cse9 .cse10 .cse11) .cse3 .cse8 .cse0 .cse6 .cse1) (or .cse2 .cse3 .cse4 .cse12 .cse6 .cse1 .cse13) (or .cse2 .cse3 .cse4 (and .cse9 (= ~methAndRunningLastTime~0 0) .cse10 .cse11) .cse6 .cse1) (or .cse3 .cse8 .cse0 .cse12 .cse6 .cse1 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse13)))) [2021-12-06 22:39:19,134 INFO L858 garLoopResultBuilder]: For program point L477-1(line 477) no Hoare annotation was computed. [2021-12-06 22:39:19,134 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 198) no Hoare annotation was computed. [2021-12-06 22:39:19,134 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 221) no Hoare annotation was computed. [2021-12-06 22:39:19,134 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 201) no Hoare annotation was computed. [2021-12-06 22:39:19,134 INFO L854 garLoopResultBuilder]: At program point L217-2(lines 213 224) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (<= ~waterLevel~0 1)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse12 (not (= |old(~waterLevel~0)| 0))) (.cse6 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (= ~waterLevel~0 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse3 .cse8 .cse5 .cse0 .cse6 .cse1 .cse7) (or (and .cse9 .cse10 .cse11) .cse3 .cse8 .cse0 .cse6 .cse1) (or .cse2 .cse3 .cse4 .cse12 .cse6 .cse1 .cse13) (or .cse2 .cse3 .cse4 (and .cse9 (= ~methAndRunningLastTime~0 0) .cse10 .cse11) .cse6 .cse1) (or .cse3 .cse8 .cse0 .cse12 .cse6 .cse1 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse13)))) [2021-12-06 22:39:19,134 INFO L854 garLoopResultBuilder]: At program point L184-1(lines 176 204) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse16 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= ~methaneLevelCritical~0 0))) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse13 (<= ~waterLevel~0 1)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (not .cse4)) (.cse18 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~waterLevel~0)| 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse8 .cse9 .cse4 .cse5 .cse10) (or .cse7 .cse0 .cse8 .cse4 .cse5 (and (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~5#1|) .cse11 .cse12 .cse13 .cse14 .cse15)) (or .cse16 (and (<= 1 ~pumpRunning~0) .cse12 (<= 2 ~waterLevel~0) .cse17 .cse15 .cse18) (and .cse11 .cse12 .cse17 .cse18) .cse1 .cse2 .cse5) (or .cse16 (and .cse11 .cse12 .cse17) .cse8 .cse5) (or .cse0 .cse1 .cse9 .cse2 .cse4 .cse5 .cse10) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse13 .cse14 .cse18) (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse18) .cse2 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse3 .cse4 .cse5 .cse6)))) [2021-12-06 22:39:19,135 INFO L854 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not .cse1)) .cse3 .cse2) (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse3 .cse1 .cse2))) [2021-12-06 22:39:19,135 INFO L854 garLoopResultBuilder]: At program point L490-1(lines 471 495) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not .cse7))) (let ((.cse13 (and .cse0 .cse17 .cse3)) (.cse14 (not (= |old(~waterLevel~0)| 0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse11 (<= 1 ~waterLevel~0)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse16 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse6 (not (<= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse4 .cse10 .cse11 .cse7 .cse8 .cse12) (or .cse9 .cse4 .cse10 .cse13 .cse14 .cse7 .cse8) (or .cse4 .cse5 .cse13 .cse6 .cse14 .cse7 .cse8 (and .cse15 (= ~waterLevel~0 0))) (or .cse16 .cse0 .cse10 .cse8) (or .cse9 .cse4 .cse10 .cse7 (and (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~5#1|) .cse0 .cse1 .cse2 .cse3) .cse8) (or .cse4 .cse5 .cse11 .cse6 .cse7 .cse8 .cse12) (or .cse16 .cse9 (= ~methAndRunningLastTime~0 0) (not (= 1 ~systemActive~0)) .cse6 .cse8) (or .cse16 (and .cse0 .cse17 .cse15 .cse3) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse17 .cse3) .cse6 .cse8))))) [2021-12-06 22:39:19,135 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 387 410) no Hoare annotation was computed. [2021-12-06 22:39:19,135 INFO L858 garLoopResultBuilder]: For program point L391-1(lines 390 409) no Hoare annotation was computed. [2021-12-06 22:39:19,135 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-06 22:39:19,135 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2021-12-06 22:39:19,135 INFO L854 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 0 ~methaneLevelCritical~0))) (.cse9 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse7 .cse8 .cse1 (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) .cse9 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse7 .cse8 .cse1 (and (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~5#1|) .cse2 .cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse9 .cse4) (or .cse7 .cse8 .cse1 (not (= |old(~waterLevel~0)| 0)) .cse9 .cse4 (= ~waterLevel~0 0)) (or .cse8 .cse5 .cse6 .cse9 .cse4))) [2021-12-06 22:39:19,135 INFO L854 garLoopResultBuilder]: At program point L161(lines 156 163) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1) (or .cse2 (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse3 .cse1))) [2021-12-06 22:39:19,135 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 487) no Hoare annotation was computed. [2021-12-06 22:39:19,136 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 492) no Hoare annotation was computed. [2021-12-06 22:39:19,136 INFO L854 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not .cse7))) (let ((.cse13 (and .cse0 .cse17 .cse3)) (.cse14 (not (= |old(~waterLevel~0)| 0))) (.cse15 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse11 (<= 1 ~waterLevel~0)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse16 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (<= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse4 .cse10 .cse11 .cse7 .cse8 .cse12) (or .cse9 .cse4 .cse10 .cse13 .cse14 .cse7 .cse8) (or .cse4 .cse5 .cse13 .cse6 .cse14 .cse7 .cse8 (and .cse15 (= ~waterLevel~0 0))) (or .cse16 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse17 .cse3) .cse6 .cse8 (and .cse0 .cse17 .cse15)) (or .cse16 .cse0 .cse10 .cse8) (or .cse9 .cse4 .cse10 .cse7 (and (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~5#1|) .cse0 .cse1 .cse2 .cse3) .cse8) (or .cse4 .cse5 .cse11 .cse6 .cse7 .cse8 .cse12) (or .cse16 .cse9 (= ~methAndRunningLastTime~0 0) (not (= 1 ~systemActive~0)) .cse6 .cse8))))) [2021-12-06 22:39:19,136 INFO L858 garLoopResultBuilder]: For program point L182-1(line 182) no Hoare annotation was computed. [2021-12-06 22:39:19,136 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 387 410) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6)) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) .cse4 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse4 .cse3 (and (= ~pumpRunning~0 0) .cse5 .cse6))))) [2021-12-06 22:39:19,136 INFO L858 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2021-12-06 22:39:19,136 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 387 410) no Hoare annotation was computed. [2021-12-06 22:39:19,136 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-12-06 22:39:19,136 INFO L854 garLoopResultBuilder]: At program point L485(line 485) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1) (or .cse2 .cse4 (<= 1 ~waterLevel~0) .cse0 .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse2 .cse4 .cse0 .cse3 .cse1) (or .cse2 .cse4 .cse0 (not (= |old(~waterLevel~0)| 0)) .cse3 .cse1 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= ~waterLevel~0 0))))) [2021-12-06 22:39:19,136 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-06 22:39:19,137 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-06 22:39:19,137 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-06 22:39:19,137 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-06 22:39:19,137 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-06 22:39:19,137 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-06 22:39:19,137 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-06 22:39:19,137 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-06 22:39:19,137 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-06 22:39:19,137 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-06 22:39:19,137 INFO L861 garLoopResultBuilder]: At program point L126(lines 118 128) the Hoare annotation is: true [2021-12-06 22:39:19,137 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 351) no Hoare annotation was computed. [2021-12-06 22:39:19,137 INFO L858 garLoopResultBuilder]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2021-12-06 22:39:19,137 INFO L861 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2021-12-06 22:39:19,138 INFO L854 garLoopResultBuilder]: At program point L370(lines 325 372) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (not (= 0 ~systemActive~0))))) [2021-12-06 22:39:19,138 INFO L854 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (not (= 0 ~systemActive~0))))) [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:39:19,138 INFO L854 garLoopResultBuilder]: At program point L635(lines 623 637) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (<= 0 ~methaneLevelCritical~0)) [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2021-12-06 22:39:19,138 INFO L854 garLoopResultBuilder]: At program point L173(lines 168 175) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point L326(lines 325 372) no Hoare annotation was computed. [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 368) no Hoare annotation was computed. [2021-12-06 22:39:19,138 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:39:19,139 INFO L854 garLoopResultBuilder]: At program point L669(lines 664 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-06 22:39:19,139 INFO L854 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (not (= 0 ~systemActive~0))))) [2021-12-06 22:39:19,139 INFO L861 garLoopResultBuilder]: At program point L376(lines 315 380) the Hoare annotation is: true [2021-12-06 22:39:19,139 INFO L854 garLoopResultBuilder]: At program point L661(lines 657 663) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-06 22:39:19,139 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2021-12-06 22:39:19,139 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2021-12-06 22:39:19,139 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2021-12-06 22:39:19,139 INFO L854 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (<= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) [2021-12-06 22:39:19,139 INFO L854 garLoopResultBuilder]: At program point L373(lines 324 374) the Hoare annotation is: false [2021-12-06 22:39:19,139 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-06 22:39:19,140 INFO L854 garLoopResultBuilder]: At program point L654(lines 650 656) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2021-12-06 22:39:19,140 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2021-12-06 22:39:19,140 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2021-12-06 22:39:19,140 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 367) no Hoare annotation was computed. [2021-12-06 22:39:19,140 INFO L854 garLoopResultBuilder]: At program point L361-2(lines 355 368) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 (<= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~methAndRunningLastTime~0 0) (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse6) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-12-06 22:39:19,140 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 419 443) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,140 INFO L854 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,140 INFO L858 garLoopResultBuilder]: For program point L438-1(lines 419 443) no Hoare annotation was computed. [2021-12-06 22:39:19,140 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 300) no Hoare annotation was computed. [2021-12-06 22:39:19,140 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 517) no Hoare annotation was computed. [2021-12-06 22:39:19,140 INFO L854 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1))) [2021-12-06 22:39:19,141 INFO L854 garLoopResultBuilder]: At program point L511-2(lines 504 520) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (not (<= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~systemActive~0))) (and (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse2 (and (<= 1 ~pumpRunning~0) .cse1) .cse3 .cse5 (and .cse0 .cse1) .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse5 (not (<= ~waterLevel~0 1)) .cse4))) [2021-12-06 22:39:19,141 INFO L858 garLoopResultBuilder]: For program point L509-1(line 509) no Hoare annotation was computed. [2021-12-06 22:39:19,141 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 419 443) no Hoare annotation was computed. [2021-12-06 22:39:19,141 INFO L854 garLoopResultBuilder]: At program point L600(lines 585 603) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 (and .cse1 (<= 2 ~waterLevel~0)) (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2)) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse2))) [2021-12-06 22:39:19,141 INFO L854 garLoopResultBuilder]: At program point L501(lines 496 503) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse2 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse3 .cse0 .cse1) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1))) [2021-12-06 22:39:19,141 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-12-06 22:39:19,141 INFO L854 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2021-12-06 22:39:19,141 INFO L858 garLoopResultBuilder]: For program point L594-2(lines 594 598) no Hoare annotation was computed. [2021-12-06 22:39:19,141 INFO L854 garLoopResultBuilder]: At program point L299(lines 290 303) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 (and .cse1 (<= 2 ~waterLevel~0)) .cse2 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 (not (<= ~waterLevel~0 1)) .cse2))) [2021-12-06 22:39:19,141 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 435) no Hoare annotation was computed. [2021-12-06 22:39:19,141 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 440) no Hoare annotation was computed. [2021-12-06 22:39:19,142 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2021-12-06 22:39:19,142 INFO L858 garLoopResultBuilder]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2021-12-06 22:39:19,142 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 225 236) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 ~pumpRunning~0)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2021-12-06 22:39:19,142 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 529 539) the Hoare annotation is: true [2021-12-06 22:39:19,142 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 529 539) no Hoare annotation was computed. [2021-12-06 22:39:19,142 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 529 539) no Hoare annotation was computed. [2021-12-06 22:39:19,142 INFO L861 garLoopResultBuilder]: At program point L534(line 534) the Hoare annotation is: true [2021-12-06 22:39:19,142 INFO L858 garLoopResultBuilder]: For program point L534-1(line 534) no Hoare annotation was computed. [2021-12-06 22:39:19,144 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:39:19,145 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:39:19,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:39:19 BoogieIcfgContainer [2021-12-06 22:39:19,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:39:19,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:39:19,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:39:19,173 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:39:19,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:38:57" (3/4) ... [2021-12-06 22:39:19,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 22:39:19,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 22:39:19,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 22:39:19,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 22:39:19,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-06 22:39:19,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 22:39:19,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 22:39:19,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:39:19,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:39:19,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:39:19,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:39:19,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \result == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 [2021-12-06 22:39:19,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 [2021-12-06 22:39:19,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 [2021-12-06 22:39:19,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 <= methaneLevelCritical) || ((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && waterLevel <= 2) && 0 <= methaneLevelCritical) && !(0 == systemActive)) [2021-12-06 22:39:19,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 1 <= waterLevel) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0)) [2021-12-06 22:39:19,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 1 <= waterLevel) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((methaneLevelCritical <= tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2021-12-06 22:39:19,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 1 <= waterLevel) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((methaneLevelCritical <= tmp && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)))) && (((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && tmp == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) && tmp == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0) [2021-12-06 22:39:19,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 <= methaneLevelCritical [2021-12-06 22:39:19,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (waterLevel <= 1 && 1 <= waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((methaneLevelCritical <= tmp && pumpRunning == 0) && \result == 0) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0)) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2021-12-06 22:39:19,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) [2021-12-06 22:39:19,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) [2021-12-06 22:39:19,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) [2021-12-06 22:39:19,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) [2021-12-06 22:39:19,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2021-12-06 22:39:19,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) && (tmp == 0 || waterLevel == 0))) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) [2021-12-06 22:39:19,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) [2021-12-06 22:39:19,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:39:19,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:39:19,232 INFO L158 Benchmark]: Toolchain (without parser) took 22728.61ms. Allocated memory was 138.4MB in the beginning and 293.6MB in the end (delta: 155.2MB). Free memory was 106.3MB in the beginning and 218.7MB in the end (delta: -112.4MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-12-06 22:39:19,232 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:39:19,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.70ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 86.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 22:39:19,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.04ms. Allocated memory is still 138.4MB. Free memory was 86.7MB in the beginning and 84.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:39:19,233 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:39:19,233 INFO L158 Benchmark]: RCFGBuilder took 411.20ms. Allocated memory is still 138.4MB. Free memory was 82.5MB in the beginning and 111.2MB in the end (delta: -28.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-12-06 22:39:19,234 INFO L158 Benchmark]: TraceAbstraction took 21860.31ms. Allocated memory was 138.4MB in the beginning and 293.6MB in the end (delta: 155.2MB). Free memory was 110.5MB in the beginning and 227.1MB in the end (delta: -116.6MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. [2021-12-06 22:39:19,234 INFO L158 Benchmark]: Witness Printer took 59.40ms. Allocated memory is still 293.6MB. Free memory was 227.1MB in the beginning and 218.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:39:19,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.70ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 86.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.04ms. Allocated memory is still 138.4MB. Free memory was 86.7MB in the beginning and 84.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.20ms. Allocated memory is still 138.4MB. Free memory was 82.5MB in the beginning and 111.2MB in the end (delta: -28.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 21860.31ms. Allocated memory was 138.4MB in the beginning and 293.6MB in the end (delta: 155.2MB). Free memory was 110.5MB in the beginning and 227.1MB in the end (delta: -116.6MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. * Witness Printer took 59.40ms. Allocated memory is still 293.6MB. Free memory was 227.1MB in the beginning and 218.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 160]: 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 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4039 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3977 mSDsluCounter, 7824 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5834 mSDsCounter, 1892 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6130 IncrementalHoareTripleChecker+Invalid, 8022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1892 mSolverCounterUnsat, 1990 mSDtfsCounter, 6130 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1352 GetRequests, 1092 SyntacticMatches, 7 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6511 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3668occurred in iteration=10, InterpolantAutomatonStates: 211, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 1417 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 6785 PreInvPairs, 7674 NumberOfFragments, 3164 HoareAnnotationTreeSize, 6785 FomulaSimplifications, 6563 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 52 FomulaSimplificationsInter, 122356 FormulaSimplificationTreeSizeReductionInter, 10.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1601 NumberOfCodeBlocks, 1601 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1838 ConstructedInterpolants, 0 QuantifiedInterpolants, 3400 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2477 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 953/1052 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: 471]: Loop Invariant Derived loop invariant: ((((((((((((((((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 1 <= waterLevel) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((methaneLevelCritical <= tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) && (tmp == 0 || waterLevel == 0))) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 <= methaneLevelCritical) || ((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && waterLevel <= 2) && 0 <= methaneLevelCritical) && !(0 == systemActive)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 1 <= waterLevel) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 <= methaneLevelCritical - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \result == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (waterLevel <= 1 && 1 <= waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((methaneLevelCritical <= tmp && pumpRunning == 0) && \result == 0) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0)) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 1 <= waterLevel) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((methaneLevelCritical <= tmp && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)))) && (((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && tmp == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) && tmp == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || waterLevel == 0) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:39:19,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c31477-4c8f-4fa9-85e3-2058e9cb7964/bin/uautomizer-DrprNOufMa/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