./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8 --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 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:03:19,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:03:19,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:03:19,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:03:19,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:03:19,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:03:19,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:03:19,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:03:19,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:03:19,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:03:19,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:03:19,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:03:19,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:03:19,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:03:19,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:03:19,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:03:19,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:03:19,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:03:19,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:03:19,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:03:19,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:03:19,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:03:19,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:03:19,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:03:19,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:03:19,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:03:19,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:03:19,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:03:19,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:03:19,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:03:19,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:03:19,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:03:19,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:03:19,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:03:19,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:03:19,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:03:19,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:03:19,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:03:19,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:03:19,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:03:19,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:03:19,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 15:03:19,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:03:19,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:03:19,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:03:19,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:03:19,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:03:19,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:03:19,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:03:19,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:03:19,549 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:03:19,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:03:19,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:03:19,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:03:19,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:03:19,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:03:19,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:03:19,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:03:19,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:03:19,550 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:03:19,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:03:19,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:03:19,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:03:19,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:03:19,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:03:19,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:03:19,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:03:19,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:03:19,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:03:19,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:03:19,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:03:19,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:03:19,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:03:19,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:03:19,553 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:03:19,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:03:19,554 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:03:19,554 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e826f48819dedbf1a290c3ced69eb835c065ed69febc6d0054f416e73afcb1c [2022-12-13 15:03:19,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:03:19,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:03:19,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:03:19,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:03:19,770 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:03:19,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2022-12-13 15:03:22,364 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:03:22,518 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:03:22,519 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c [2022-12-13 15:03:22,526 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/data/39773ddf3/e980acfeb1ed448f8fcb60c30f1e63d7/FLAG21097e134 [2022-12-13 15:03:22,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/data/39773ddf3/e980acfeb1ed448f8fcb60c30f1e63d7 [2022-12-13 15:03:22,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:03:22,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:03:22,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:03:22,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:03:22,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:03:22,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d185a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22, skipping insertion in model container [2022-12-13 15:03:22,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:03:22,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:03:22,780 WARN L237 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_688f650f-f5ef-4e68-8d3a-535fd80aea19/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2022-12-13 15:03:22,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:03:22,821 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:03:22,869 WARN L237 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_688f650f-f5ef-4e68-8d3a-535fd80aea19/sv-benchmarks/c/product-lines/minepump_spec5_product55.cil.c[13125,13138] [2022-12-13 15:03:22,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:03:22,903 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:03:22,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22 WrapperNode [2022-12-13 15:03:22,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:03:22,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:03:22,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:03:22,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:03:22,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,945 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 235 [2022-12-13 15:03:22,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:03:22,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:03:22,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:03:22,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:03:22,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,965 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:03:22,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:03:22,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:03:22,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:03:22,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (1/1) ... [2022-12-13 15:03:22,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:03:22,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:03:23,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:03:23,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:03:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:03:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 15:03:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 15:03:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 15:03:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 15:03:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 15:03:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 15:03:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 15:03:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 15:03:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 15:03:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 15:03:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-12-13 15:03:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-12-13 15:03:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-12-13 15:03:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-12-13 15:03:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 15:03:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 15:03:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:03:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 15:03:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 15:03:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:03:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:03:23,096 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:03:23,097 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:03:23,323 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:03:23,329 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:03:23,329 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:03:23,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:03:23 BoogieIcfgContainer [2022-12-13 15:03:23,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:03:23,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:03:23,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:03:23,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:03:23,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:03:22" (1/3) ... [2022-12-13 15:03:23,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8465ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:03:23, skipping insertion in model container [2022-12-13 15:03:23,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:03:22" (2/3) ... [2022-12-13 15:03:23,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8465ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:03:23, skipping insertion in model container [2022-12-13 15:03:23,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:03:23" (3/3) ... [2022-12-13 15:03:23,337 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2022-12-13 15:03:23,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:03:23,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:03:23,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:03:23,389 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a2bb283, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:03:23,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:03:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 92 states have internal predecessors, (111), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 15:03:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 15:03:23,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:23,400 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:23,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:23,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:23,404 INFO L85 PathProgramCache]: Analyzing trace with hash 158818465, now seen corresponding path program 1 times [2022-12-13 15:03:23,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:23,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382136610] [2022-12-13 15:03:23,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:23,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 15:03:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:03:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:23,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:23,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382136610] [2022-12-13 15:03:23,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382136610] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:23,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:23,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:03:23,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455072733] [2022-12-13 15:03:23,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:23,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:03:23,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:23,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:03:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:03:23,586 INFO L87 Difference]: Start difference. First operand has 109 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 92 states have internal predecessors, (111), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:03:23,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:23,611 INFO L93 Difference]: Finished difference Result 209 states and 284 transitions. [2022-12-13 15:03:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:03:23,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-12-13 15:03:23,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:23,619 INFO L225 Difference]: With dead ends: 209 [2022-12-13 15:03:23,619 INFO L226 Difference]: Without dead ends: 100 [2022-12-13 15:03:23,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:03:23,623 INFO L413 NwaCegarLoop]: 139 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, 139 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 [2022-12-13 15:03:23,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:03:23,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-13 15:03:23,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-12-13 15:03:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 84 states have internal predecessors, (97), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:03:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 130 transitions. [2022-12-13 15:03:23,654 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 130 transitions. Word has length 32 [2022-12-13 15:03:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:23,654 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 130 transitions. [2022-12-13 15:03:23,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:03:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 130 transitions. [2022-12-13 15:03:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 15:03:23,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:23,656 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:23,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:03:23,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:23,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:23,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1623741410, now seen corresponding path program 1 times [2022-12-13 15:03:23,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:23,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938343255] [2022-12-13 15:03:23,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:23,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:03:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:03:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:23,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:23,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938343255] [2022-12-13 15:03:23,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938343255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:23,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:23,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:03:23,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74206090] [2022-12-13 15:03:23,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:23,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:03:23,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:23,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:03:23,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:03:23,756 INFO L87 Difference]: Start difference. First operand 100 states and 130 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 15:03:23,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:23,788 INFO L93 Difference]: Finished difference Result 283 states and 376 transitions. [2022-12-13 15:03:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:03:23,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-12-13 15:03:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:23,790 INFO L225 Difference]: With dead ends: 283 [2022-12-13 15:03:23,790 INFO L226 Difference]: Without dead ends: 191 [2022-12-13 15:03:23,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:03:23,792 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 105 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:23,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 277 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:03:23,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-12-13 15:03:23,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2022-12-13 15:03:23,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 137 states have (on average 1.3284671532846715) internal successors, (182), 156 states have internal predecessors, (182), 34 states have call successors, (34), 18 states have call predecessors, (34), 16 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2022-12-13 15:03:23,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2022-12-13 15:03:23,811 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 37 [2022-12-13 15:03:23,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:23,811 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2022-12-13 15:03:23,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 15:03:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2022-12-13 15:03:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 15:03:23,813 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:23,813 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:23,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:03:23,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:23,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:23,814 INFO L85 PathProgramCache]: Analyzing trace with hash -247150276, now seen corresponding path program 1 times [2022-12-13 15:03:23,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:23,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587709453] [2022-12-13 15:03:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:03:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 15:03:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:03:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:23,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:23,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587709453] [2022-12-13 15:03:23,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587709453] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:23,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:23,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:03:23,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095203081] [2022-12-13 15:03:23,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:23,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:03:23,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:23,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:03:23,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:03:23,907 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:03:24,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:24,111 INFO L93 Difference]: Finished difference Result 572 states and 798 transitions. [2022-12-13 15:03:24,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:03:24,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-12-13 15:03:24,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:24,114 INFO L225 Difference]: With dead ends: 572 [2022-12-13 15:03:24,114 INFO L226 Difference]: Without dead ends: 392 [2022-12-13 15:03:24,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:03:24,116 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 193 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:24,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 282 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:03:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2022-12-13 15:03:24,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 361. [2022-12-13 15:03:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 266 states have (on average 1.2932330827067668) internal successors, (344), 283 states have internal predecessors, (344), 54 states have call successors, (54), 34 states have call predecessors, (54), 40 states have return successors, (88), 53 states have call predecessors, (88), 50 states have call successors, (88) [2022-12-13 15:03:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 486 transitions. [2022-12-13 15:03:24,165 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 486 transitions. Word has length 46 [2022-12-13 15:03:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:24,165 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 486 transitions. [2022-12-13 15:03:24,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 15:03:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 486 transitions. [2022-12-13 15:03:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 15:03:24,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:24,166 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:24,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:03:24,166 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:24,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:24,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1317125140, now seen corresponding path program 1 times [2022-12-13 15:03:24,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:24,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034646926] [2022-12-13 15:03:24,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:24,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 15:03:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:03:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:03:24,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:24,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034646926] [2022-12-13 15:03:24,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034646926] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:24,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:24,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:03:24,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272013890] [2022-12-13 15:03:24,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:24,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:03:24,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:24,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:03:24,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:03:24,293 INFO L87 Difference]: Start difference. First operand 361 states and 486 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:03:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:24,429 INFO L93 Difference]: Finished difference Result 734 states and 1026 transitions. [2022-12-13 15:03:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:03:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-12-13 15:03:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:24,433 INFO L225 Difference]: With dead ends: 734 [2022-12-13 15:03:24,433 INFO L226 Difference]: Without dead ends: 381 [2022-12-13 15:03:24,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:03:24,435 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 71 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:24,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 682 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:03:24,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-12-13 15:03:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 357. [2022-12-13 15:03:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 262 states have (on average 1.2671755725190839) internal successors, (332), 279 states have internal predecessors, (332), 54 states have call successors, (54), 34 states have call predecessors, (54), 40 states have return successors, (88), 53 states have call predecessors, (88), 50 states have call successors, (88) [2022-12-13 15:03:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 474 transitions. [2022-12-13 15:03:24,477 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 474 transitions. Word has length 41 [2022-12-13 15:03:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:24,478 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 474 transitions. [2022-12-13 15:03:24,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:03:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 474 transitions. [2022-12-13 15:03:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 15:03:24,481 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:24,482 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:24,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:03:24,482 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:24,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1670735369, now seen corresponding path program 1 times [2022-12-13 15:03:24,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:24,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285686565] [2022-12-13 15:03:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:24,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:03:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:03:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 15:03:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:24,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:24,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285686565] [2022-12-13 15:03:24,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285686565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:24,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:24,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:03:24,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329805509] [2022-12-13 15:03:24,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:24,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:03:24,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:24,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:03:24,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:03:24,554 INFO L87 Difference]: Start difference. First operand 357 states and 474 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 15:03:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:24,647 INFO L93 Difference]: Finished difference Result 593 states and 758 transitions. [2022-12-13 15:03:24,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:03:24,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-12-13 15:03:24,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:24,649 INFO L225 Difference]: With dead ends: 593 [2022-12-13 15:03:24,649 INFO L226 Difference]: Without dead ends: 323 [2022-12-13 15:03:24,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:03:24,650 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:24,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 225 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:03:24,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-12-13 15:03:24,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2022-12-13 15:03:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 238 states have (on average 1.2773109243697478) internal successors, (304), 255 states have internal predecessors, (304), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2022-12-13 15:03:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 410 transitions. [2022-12-13 15:03:24,668 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 410 transitions. Word has length 52 [2022-12-13 15:03:24,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:24,668 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 410 transitions. [2022-12-13 15:03:24,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 15:03:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 410 transitions. [2022-12-13 15:03:24,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 15:03:24,669 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:24,669 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:24,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:03:24,670 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:24,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:24,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1401707673, now seen corresponding path program 1 times [2022-12-13 15:03:24,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:24,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330999901] [2022-12-13 15:03:24,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:24,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:03:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 15:03:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:03:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:24,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:24,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330999901] [2022-12-13 15:03:24,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330999901] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:24,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:24,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:03:24,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063141229] [2022-12-13 15:03:24,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:24,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:03:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:24,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:03:24,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:03:24,762 INFO L87 Difference]: Start difference. First operand 321 states and 410 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 15:03:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:24,906 INFO L93 Difference]: Finished difference Result 648 states and 843 transitions. [2022-12-13 15:03:24,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:03:24,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-12-13 15:03:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:24,908 INFO L225 Difference]: With dead ends: 648 [2022-12-13 15:03:24,908 INFO L226 Difference]: Without dead ends: 335 [2022-12-13 15:03:24,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:03:24,911 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 74 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:24,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 439 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:03:24,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-12-13 15:03:24,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 327. [2022-12-13 15:03:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 244 states have (on average 1.2704918032786885) internal successors, (310), 261 states have internal predecessors, (310), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2022-12-13 15:03:24,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 416 transitions. [2022-12-13 15:03:24,936 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 416 transitions. Word has length 56 [2022-12-13 15:03:24,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:24,937 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 416 transitions. [2022-12-13 15:03:24,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 15:03:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 416 transitions. [2022-12-13 15:03:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 15:03:24,938 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:24,938 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:24,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:03:24,938 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash -979005847, now seen corresponding path program 1 times [2022-12-13 15:03:24,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:24,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881649155] [2022-12-13 15:03:24,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:24,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:03:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 15:03:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:03:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:25,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:25,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881649155] [2022-12-13 15:03:25,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881649155] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:25,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:25,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:03:25,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250699309] [2022-12-13 15:03:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:25,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:03:25,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:03:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:03:25,046 INFO L87 Difference]: Start difference. First operand 327 states and 416 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 15:03:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:25,254 INFO L93 Difference]: Finished difference Result 670 states and 875 transitions. [2022-12-13 15:03:25,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:03:25,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-12-13 15:03:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:25,257 INFO L225 Difference]: With dead ends: 670 [2022-12-13 15:03:25,257 INFO L226 Difference]: Without dead ends: 351 [2022-12-13 15:03:25,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:03:25,259 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 231 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:25,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 489 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:03:25,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-12-13 15:03:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 331. [2022-12-13 15:03:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 248 states have (on average 1.2661290322580645) internal successors, (314), 265 states have internal predecessors, (314), 42 states have call successors, (42), 30 states have call predecessors, (42), 40 states have return successors, (64), 45 states have call predecessors, (64), 42 states have call successors, (64) [2022-12-13 15:03:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 420 transitions. [2022-12-13 15:03:25,278 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 420 transitions. Word has length 56 [2022-12-13 15:03:25,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:25,278 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 420 transitions. [2022-12-13 15:03:25,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 15:03:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 420 transitions. [2022-12-13 15:03:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 15:03:25,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:25,280 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:25,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:03:25,280 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:25,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:25,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1510523115, now seen corresponding path program 1 times [2022-12-13 15:03:25,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:25,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118525442] [2022-12-13 15:03:25,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:25,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:03:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 15:03:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:03:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:25,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:25,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118525442] [2022-12-13 15:03:25,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118525442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:25,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:25,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:03:25,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775122473] [2022-12-13 15:03:25,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:25,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:03:25,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:25,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:03:25,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:03:25,363 INFO L87 Difference]: Start difference. First operand 331 states and 420 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 15:03:25,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:25,577 INFO L93 Difference]: Finished difference Result 946 states and 1245 transitions. [2022-12-13 15:03:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:03:25,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-12-13 15:03:25,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:25,582 INFO L225 Difference]: With dead ends: 946 [2022-12-13 15:03:25,582 INFO L226 Difference]: Without dead ends: 623 [2022-12-13 15:03:25,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:03:25,584 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 244 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:25,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 364 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 15:03:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-12-13 15:03:25,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 616. [2022-12-13 15:03:25,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 459 states have (on average 1.2287581699346406) internal successors, (564), 485 states have internal predecessors, (564), 83 states have call successors, (83), 67 states have call predecessors, (83), 73 states have return successors, (135), 84 states have call predecessors, (135), 83 states have call successors, (135) [2022-12-13 15:03:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 782 transitions. [2022-12-13 15:03:25,616 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 782 transitions. Word has length 56 [2022-12-13 15:03:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:25,616 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 782 transitions. [2022-12-13 15:03:25,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 15:03:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 782 transitions. [2022-12-13 15:03:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 15:03:25,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:25,617 INFO L195 NwaCegarLoop]: 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] [2022-12-13 15:03:25,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:03:25,618 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:25,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:25,618 INFO L85 PathProgramCache]: Analyzing trace with hash -193074427, now seen corresponding path program 1 times [2022-12-13 15:03:25,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:25,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260610004] [2022-12-13 15:03:25,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:03:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 15:03:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 15:03:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:03:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:03:25,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:25,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260610004] [2022-12-13 15:03:25,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260610004] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:25,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:25,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:03:25,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389425234] [2022-12-13 15:03:25,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:25,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:03:25,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:03:25,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:03:25,792 INFO L87 Difference]: Start difference. First operand 616 states and 782 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 15:03:26,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:26,578 INFO L93 Difference]: Finished difference Result 1697 states and 2268 transitions. [2022-12-13 15:03:26,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 15:03:26,579 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 60 [2022-12-13 15:03:26,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:26,582 INFO L225 Difference]: With dead ends: 1697 [2022-12-13 15:03:26,583 INFO L226 Difference]: Without dead ends: 1202 [2022-12-13 15:03:26,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 15:03:26,585 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 679 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:26,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 530 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 15:03:26,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-12-13 15:03:26,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1048. [2022-12-13 15:03:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 782 states have (on average 1.227621483375959) internal successors, (960), 834 states have internal predecessors, (960), 140 states have call successors, (140), 106 states have call predecessors, (140), 125 states have return successors, (230), 139 states have call predecessors, (230), 140 states have call successors, (230) [2022-12-13 15:03:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1330 transitions. [2022-12-13 15:03:26,631 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1330 transitions. Word has length 60 [2022-12-13 15:03:26,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:26,631 INFO L495 AbstractCegarLoop]: Abstraction has 1048 states and 1330 transitions. [2022-12-13 15:03:26,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-13 15:03:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1330 transitions. [2022-12-13 15:03:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-13 15:03:26,633 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:26,633 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-13 15:03:26,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:03:26,633 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:26,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:26,633 INFO L85 PathProgramCache]: Analyzing trace with hash -182301856, now seen corresponding path program 1 times [2022-12-13 15:03:26,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:26,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161770466] [2022-12-13 15:03:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:26,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:03:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:03:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:03:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:03:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 15:03:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:03:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 15:03:26,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:26,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161770466] [2022-12-13 15:03:26,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161770466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:03:26,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:03:26,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:03:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324016031] [2022-12-13 15:03:26,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:03:26,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:03:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:03:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:03:26,700 INFO L87 Difference]: Start difference. First operand 1048 states and 1330 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-13 15:03:26,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:26,968 INFO L93 Difference]: Finished difference Result 1277 states and 1611 transitions. [2022-12-13 15:03:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:03:26,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2022-12-13 15:03:26,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:26,972 INFO L225 Difference]: With dead ends: 1277 [2022-12-13 15:03:26,972 INFO L226 Difference]: Without dead ends: 520 [2022-12-13 15:03:26,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-12-13 15:03:26,976 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 308 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:26,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 333 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 15:03:26,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2022-12-13 15:03:27,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 476. [2022-12-13 15:03:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 356 states have (on average 1.1853932584269662) internal successors, (422), 378 states have internal predecessors, (422), 62 states have call successors, (62), 47 states have call predecessors, (62), 57 states have return successors, (104), 62 states have call predecessors, (104), 62 states have call successors, (104) [2022-12-13 15:03:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 588 transitions. [2022-12-13 15:03:27,021 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 588 transitions. Word has length 90 [2022-12-13 15:03:27,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:27,021 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 588 transitions. [2022-12-13 15:03:27,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-12-13 15:03:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 588 transitions. [2022-12-13 15:03:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-13 15:03:27,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:03:27,023 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:03:27,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:03:27,024 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:03:27,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:03:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1799468227, now seen corresponding path program 1 times [2022-12-13 15:03:27,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:03:27,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845061074] [2022-12-13 15:03:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:03:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:03:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 15:03:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:03:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:03:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 15:03:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:03:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:03:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:03:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 15:03:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 15:03:27,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:03:27,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845061074] [2022-12-13 15:03:27,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845061074] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:03:27,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167867583] [2022-12-13 15:03:27,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:03:27,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:03:27,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:03:27,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:03:27,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:03:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:03:27,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 15:03:27,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:03:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:03:27,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:03:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 15:03:27,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167867583] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:03:27,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:03:27,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-12-13 15:03:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957962768] [2022-12-13 15:03:27,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:03:27,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 15:03:27,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:03:27,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 15:03:27,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:03:27,681 INFO L87 Difference]: Start difference. First operand 476 states and 588 transitions. Second operand has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) [2022-12-13 15:03:28,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:03:28,525 INFO L93 Difference]: Finished difference Result 979 states and 1234 transitions. [2022-12-13 15:03:28,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 15:03:28,526 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) Word has length 109 [2022-12-13 15:03:28,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:03:28,527 INFO L225 Difference]: With dead ends: 979 [2022-12-13 15:03:28,527 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:03:28,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 243 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=345, Invalid=1137, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 15:03:28,530 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 370 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:03:28,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1111 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 15:03:28,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:03:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:03:28,531 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) [2022-12-13 15:03:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:03:28,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2022-12-13 15:03:28,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:03:28,532 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:03:28,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.866666666666667) internal successors, (148), 10 states have internal predecessors, (148), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (20), 8 states have call predecessors, (20), 6 states have call successors, (20) [2022-12-13 15:03:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:03:28,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:03:28,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 15:03:28,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:03:28,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 15:03:28,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:03:32,237 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 871 878) no Hoare annotation was computed. [2022-12-13 15:03:32,238 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 871 878) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0)) .cse1))) [2022-12-13 15:03:32,238 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 871 878) no Hoare annotation was computed. [2022-12-13 15:03:32,238 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 778 784) no Hoare annotation was computed. [2022-12-13 15:03:32,238 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 778 784) the Hoare annotation is: true [2022-12-13 15:03:32,238 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 666 677) no Hoare annotation was computed. [2022-12-13 15:03:32,238 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 666 677) the Hoare annotation is: true [2022-12-13 15:03:32,238 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 666 677) no Hoare annotation was computed. [2022-12-13 15:03:32,238 INFO L895 garLoopResultBuilder]: At program point L1018(line 1018) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse9 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse10 (not (= 0 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (or .cse8 .cse9 .cse0 .cse5) (or .cse8 .cse5 .cse10 .cse6) (or .cse8 .cse9 .cse5 .cse10) (or .cse8 .cse0 .cse5 .cse6) (let ((.cse11 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse11 .cse4) .cse5 (and .cse2 .cse11 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))))) [2022-12-13 15:03:32,239 INFO L895 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2) (or .cse1 .cse3 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 (not (= 0 ~systemActive~0))))) [2022-12-13 15:03:32,239 INFO L899 garLoopResultBuilder]: For program point L1018-1(line 1018) no Hoare annotation was computed. [2022-12-13 15:03:32,239 INFO L895 garLoopResultBuilder]: At program point L857-1(lines 838 862) the Hoare annotation is: (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (not (<= 2 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4))) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse7 (and .cse6 .cse8) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse8) .cse5)) (or .cse7 .cse5 (not (= 0 ~systemActive~0))) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse6 .cse9 .cse4) .cse5 (and .cse2 .cse9 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 15:03:32,239 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 764) no Hoare annotation was computed. [2022-12-13 15:03:32,239 INFO L899 garLoopResultBuilder]: For program point L758-2(lines 754 776) no Hoare annotation was computed. [2022-12-13 15:03:32,239 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 751 777) no Hoare annotation was computed. [2022-12-13 15:03:32,240 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 710 718) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse7 .cse10)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= 0 ~systemActive~0))) (.cse11 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (or .cse8 .cse9 .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse10) .cse5) (or .cse8 .cse0 .cse5 .cse11 .cse6) (or .cse8 .cse9 .cse5 .cse12) (or .cse8 .cse5 .cse12 .cse11 .cse6) (let ((.cse13 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse13 .cse4) .cse5 (and .cse2 .cse13 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))))) [2022-12-13 15:03:32,240 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-12-13 15:03:32,240 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 854) no Hoare annotation was computed. [2022-12-13 15:03:32,240 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-12-13 15:03:32,240 INFO L899 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2022-12-13 15:03:32,240 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 859) no Hoare annotation was computed. [2022-12-13 15:03:32,240 INFO L899 garLoopResultBuilder]: For program point L1020(lines 1020 1030) no Hoare annotation was computed. [2022-12-13 15:03:32,240 INFO L899 garLoopResultBuilder]: For program point L1016(lines 1016 1033) no Hoare annotation was computed. [2022-12-13 15:03:32,241 INFO L895 garLoopResultBuilder]: At program point L1016-1(lines 1008 1036) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse10 (and .cse7 .cse11)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= 0 ~systemActive~0))) (.cse9 (and (<= |timeShift_getWaterLevel_#res#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (or .cse8 .cse0 .cse5 .cse9 .cse6) (or .cse8 .cse10 .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse11) .cse5) (or .cse8 .cse10 .cse5 .cse12) (or .cse8 .cse5 .cse12 .cse9 .cse6) (let ((.cse13 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse13 .cse4) .cse5 (and .cse2 .cse13 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))))) [2022-12-13 15:03:32,241 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 557 564) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 .cse2))) [2022-12-13 15:03:32,241 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 751 777) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-12-13 15:03:32,241 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1027) no Hoare annotation was computed. [2022-12-13 15:03:32,241 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 765 771) no Hoare annotation was computed. [2022-12-13 15:03:32,242 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 15:03:32,242 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 998 1007) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse4 .cse2 .cse5 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 15:03:32,242 INFO L895 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 15:03:32,242 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 678 686) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 15:03:32,242 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 751 777) no Hoare annotation was computed. [2022-12-13 15:03:32,243 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 879 889) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 15:03:32,243 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 561) no Hoare annotation was computed. [2022-12-13 15:03:32,243 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 650) no Hoare annotation was computed. [2022-12-13 15:03:32,243 INFO L895 garLoopResultBuilder]: At program point L646-2(lines 642 653) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 (and .cse4 (<= ~waterLevel~0 2) .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 .cse1) (or .cse2 .cse3 (and .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 15:03:32,243 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-12-13 15:03:32,243 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-12-13 15:03:32,243 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-12-13 15:03:32,244 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-12-13 15:03:32,244 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 418 447) the Hoare annotation is: true [2022-12-13 15:03:32,244 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-12-13 15:03:32,244 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L899 garLoopResultBuilder]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2022-12-13 15:03:32,244 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 484 494) the Hoare annotation is: true [2022-12-13 15:03:32,244 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 15:03:32,244 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 15:03:32,245 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 533 539) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 15:03:32,245 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 498 520) the Hoare annotation is: true [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 990 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 15:03:32,245 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 15:03:32,245 INFO L902 garLoopResultBuilder]: At program point L628(lines 567 632) the Hoare annotation is: true [2022-12-13 15:03:32,245 INFO L895 garLoopResultBuilder]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~systemActive~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2022-12-13 15:03:32,245 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:03:32,246 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 540 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 15:03:32,246 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2022-12-13 15:03:32,246 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 973 987) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-12-13 15:03:32,246 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2022-12-13 15:03:32,246 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 547 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 15:03:32,246 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2022-12-13 15:03:32,246 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 607 620) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 15:03:32,246 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 863 870) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-12-13 15:03:32,246 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 729) no Hoare annotation was computed. [2022-12-13 15:03:32,246 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2022-12-13 15:03:32,246 INFO L899 garLoopResultBuilder]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2022-12-13 15:03:32,247 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 786 810) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-12-13 15:03:32,247 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 719 732) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and .cse2 (<= 2 ~waterLevel~0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse2))))) [2022-12-13 15:03:32,247 INFO L895 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 15:03:32,247 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 935 953) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2 (and .cse1 (<= 2 ~waterLevel~0)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 15:03:32,247 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 786 810) no Hoare annotation was computed. [2022-12-13 15:03:32,247 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 802) no Hoare annotation was computed. [2022-12-13 15:03:32,247 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 807) no Hoare annotation was computed. [2022-12-13 15:03:32,247 INFO L895 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 15:03:32,248 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 786 810) no Hoare annotation was computed. [2022-12-13 15:03:32,248 INFO L899 garLoopResultBuilder]: For program point L658-1(lines 654 665) no Hoare annotation was computed. [2022-12-13 15:03:32,248 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 654 665) no Hoare annotation was computed. [2022-12-13 15:03:32,248 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 654 665) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse3 (not (= 0 ~systemActive~0))) (or .cse4 .cse0 .cse2 .cse3))) [2022-12-13 15:03:32,248 INFO L895 garLoopResultBuilder]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 15:03:32,248 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 15:03:32,248 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 828) no Hoare annotation was computed. [2022-12-13 15:03:32,248 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 833) no Hoare annotation was computed. [2022-12-13 15:03:32,248 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 733 741) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 15:03:32,248 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 836) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-12-13 15:03:32,248 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2022-12-13 15:03:32,248 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2022-12-13 15:03:32,248 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 15:03:32,249 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 954 972) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 15:03:32,249 INFO L899 garLoopResultBuilder]: For program point L831-1(lines 812 836) no Hoare annotation was computed. [2022-12-13 15:03:32,249 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 812 836) no Hoare annotation was computed. [2022-12-13 15:03:32,249 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 890 898) no Hoare annotation was computed. [2022-12-13 15:03:32,249 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 890 898) no Hoare annotation was computed. [2022-12-13 15:03:32,249 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 898) the Hoare annotation is: true [2022-12-13 15:03:32,252 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:03:32,253 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:03:32,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:03:32 BoogieIcfgContainer [2022-12-13 15:03:32,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:03:32,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:03:32,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:03:32,283 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:03:32,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:03:23" (3/4) ... [2022-12-13 15:03:32,286 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-12-13 15:03:32,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-12-13 15:03:32,300 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-13 15:03:32,300 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 15:03:32,301 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:03:32,301 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:03:32,301 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:03:32,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 15:03:32,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-12-13 15:03:32,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 15:03:32,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 15:03:32,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-12-13 15:03:32,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 15:03:32,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-12-13 15:03:32,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-12-13 15:03:32,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-12-13 15:03:32,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) [2022-12-13 15:03:32,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-12-13 15:03:32,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 15:03:32,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-12-13 15:03:32,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:03:32,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:03:32,347 INFO L158 Benchmark]: Toolchain (without parser) took 9804.44ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 93.4MB in the beginning and 57.7MB in the end (delta: 35.7MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-12-13 15:03:32,347 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:03:32,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.11ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 74.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 15:03:32,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.50ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 71.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:03:32,348 INFO L158 Benchmark]: Boogie Preprocessor took 23.50ms. Allocated memory is still 134.2MB. Free memory was 71.7MB in the beginning and 70.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:03:32,348 INFO L158 Benchmark]: RCFGBuilder took 360.72ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 102.1MB in the end (delta: -32.0MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-12-13 15:03:32,348 INFO L158 Benchmark]: TraceAbstraction took 8949.69ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 101.3MB in the beginning and 63.0MB in the end (delta: 38.4MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2022-12-13 15:03:32,349 INFO L158 Benchmark]: Witness Printer took 63.95ms. Allocated memory is still 161.5MB. Free memory was 63.0MB in the beginning and 57.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:03:32,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.11ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 74.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.50ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 71.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.50ms. Allocated memory is still 134.2MB. Free memory was 71.7MB in the beginning and 70.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.72ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 102.1MB in the end (delta: -32.0MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8949.69ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 101.3MB in the beginning and 63.0MB in the end (delta: 38.4MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. * Witness Printer took 63.95ms. Allocated memory is still 161.5MB. Free memory was 63.0MB in the beginning and 57.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 561]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2406 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2352 mSDsluCounter, 4871 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3430 mSDsCounter, 799 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2877 IncrementalHoareTripleChecker+Invalid, 3676 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 799 mSolverCounterUnsat, 1441 mSDtfsCounter, 2877 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 344 SyntacticMatches, 5 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1048occurred in iteration=9, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 293 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 2287 PreInvPairs, 2522 NumberOfFragments, 2340 HoareAnnotationTreeSize, 2287 FomulaSimplifications, 1843 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 11745 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 1709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 368 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 124/165 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: 475]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) RESULT: Ultimate proved your program to be correct! [2022-12-13 15:03:32,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_688f650f-f5ef-4e68-8d3a-535fd80aea19/bin/uautomizer-uyxdKDjOR8/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