./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/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_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/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_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/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 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb --- 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 20:51:11,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:51:11,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:51:11,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:51:11,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:51:11,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:51:11,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:51:11,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:51:11,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:51:11,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:51:11,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:51:11,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:51:11,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:51:11,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:51:11,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:51:11,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:51:11,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:51:11,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:51:11,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:51:11,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:51:11,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:51:11,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:51:11,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:51:11,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:51:11,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:51:11,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:51:11,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:51:11,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:51:11,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:51:11,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:51:11,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:51:11,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:51:11,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:51:11,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:51:11,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:51:11,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:51:11,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:51:11,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:51:11,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:51:11,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:51:11,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:51:11,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:51:11,761 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:51:11,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:51:11,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:51:11,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:51:11,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:51:11,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:51:11,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:51:11,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:51:11,764 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:51:11,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:51:11,764 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:51:11,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:51:11,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:51:11,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:51:11,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:51:11,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:51:11,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:51:11,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:51:11,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:51:11,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:51:11,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:51:11,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:51:11,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:51:11,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:51:11,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:51:11,767 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:51:11,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:51:11,768 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:51:11,768 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_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb [2022-12-13 20:51:11,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:51:11,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:51:11,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:51:11,962 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:51:11,962 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:51:11,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-12-13 20:51:14,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:51:14,657 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:51:14,658 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-12-13 20:51:14,665 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/data/534cf9d63/bc6c5943d05b41e69f9636d148b546ca/FLAG32fc91dba [2022-12-13 20:51:14,680 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/data/534cf9d63/bc6c5943d05b41e69f9636d148b546ca [2022-12-13 20:51:14,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:51:14,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:51:14,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:51:14,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:51:14,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:51:14,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:14,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9969a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14, skipping insertion in model container [2022-12-13 20:51:14,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:14,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:51:14,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:51:14,905 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_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-12-13 20:51:14,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:51:14,916 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:51:14,962 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_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-12-13 20:51:14,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:51:14,974 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:51:14,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14 WrapperNode [2022-12-13 20:51:14,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:51:14,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:51:14,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:51:14,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:51:14,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:14,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,006 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 190 [2022-12-13 20:51:15,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:51:15,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:51:15,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:51:15,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:51:15,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:51:15,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:51:15,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:51:15,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:51:15,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (1/1) ... [2022-12-13 20:51:15,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:51:15,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:51:15,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:51:15,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:51:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:51:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 20:51:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 20:51:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 20:51:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 20:51:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 20:51:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 20:51:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 20:51:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 20:51:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 20:51:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 20:51:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:51:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 20:51:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 20:51:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:51:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:51:15,154 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:51:15,156 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:51:15,358 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:51:15,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:51:15,366 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:51:15,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:51:15 BoogieIcfgContainer [2022-12-13 20:51:15,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:51:15,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:51:15,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:51:15,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:51:15,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:51:14" (1/3) ... [2022-12-13 20:51:15,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726f4ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:51:15, skipping insertion in model container [2022-12-13 20:51:15,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:51:14" (2/3) ... [2022-12-13 20:51:15,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726f4ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:51:15, skipping insertion in model container [2022-12-13 20:51:15,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:51:15" (3/3) ... [2022-12-13 20:51:15,374 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2022-12-13 20:51:15,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:51:15,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:51:15,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:51:15,432 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;@a352c71, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:51:15,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:51:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 20:51:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:51:15,443 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:15,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:15,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:15,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:15,448 INFO L85 PathProgramCache]: Analyzing trace with hash -310918915, now seen corresponding path program 1 times [2022-12-13 20:51:15,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:15,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706472507] [2022-12-13 20:51:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:15,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:51:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:15,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:15,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706472507] [2022-12-13 20:51:15,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706472507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:15,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:15,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:51:15,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299283053] [2022-12-13 20:51:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:15,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:51:15,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:15,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:51:15,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:51:15,616 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:51:15,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:15,651 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2022-12-13 20:51:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:51:15,653 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-13 20:51:15,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:15,661 INFO L225 Difference]: With dead ends: 154 [2022-12-13 20:51:15,661 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 20:51:15,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:51:15,666 INFO L413 NwaCegarLoop]: 102 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, 102 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 20:51:15,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:51:15,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 20:51:15,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-13 20:51:15,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 20:51:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2022-12-13 20:51:15,699 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 25 [2022-12-13 20:51:15,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:15,700 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2022-12-13 20:51:15,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:51:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2022-12-13 20:51:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 20:51:15,701 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:15,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:15,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:51:15,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:15,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:15,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1548949891, now seen corresponding path program 1 times [2022-12-13 20:51:15,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:15,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941752940] [2022-12-13 20:51:15,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:15,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:51:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:15,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:15,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941752940] [2022-12-13 20:51:15,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941752940] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:15,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:15,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:51:15,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592950178] [2022-12-13 20:51:15,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:15,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:51:15,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:15,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:51:15,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:51:15,809 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:51:15,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:15,823 INFO L93 Difference]: Finished difference Result 110 states and 142 transitions. [2022-12-13 20:51:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:51:15,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-12-13 20:51:15,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:15,825 INFO L225 Difference]: With dead ends: 110 [2022-12-13 20:51:15,825 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 20:51:15,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:51:15,827 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:15,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:51:15,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 20:51:15,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-13 20:51:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.34) internal successors, (67), 55 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 20:51:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2022-12-13 20:51:15,835 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 26 [2022-12-13 20:51:15,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:15,836 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2022-12-13 20:51:15,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:51:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-12-13 20:51:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 20:51:15,837 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:15,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:15,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:51:15,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:15,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:15,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917381, now seen corresponding path program 1 times [2022-12-13 20:51:15,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:15,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964111452] [2022-12-13 20:51:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:51:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:15,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:15,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964111452] [2022-12-13 20:51:15,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964111452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:15,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:15,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:51:15,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039809302] [2022-12-13 20:51:15,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:15,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:51:15,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:15,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:51:15,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:51:15,922 INFO L87 Difference]: Start difference. First operand 63 states and 81 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:51:15,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:15,934 INFO L93 Difference]: Finished difference Result 119 states and 156 transitions. [2022-12-13 20:51:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:51:15,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-12-13 20:51:15,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:15,935 INFO L225 Difference]: With dead ends: 119 [2022-12-13 20:51:15,935 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 20:51:15,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 20:51:15,937 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:15,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 79 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:51:15,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 20:51:15,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-13 20:51:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 20:51:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-12-13 20:51:15,943 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 30 [2022-12-13 20:51:15,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:15,943 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-12-13 20:51:15,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:51:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-12-13 20:51:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 20:51:15,944 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:15,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:15,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:51:15,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:15,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:15,945 INFO L85 PathProgramCache]: Analyzing trace with hash -199527812, now seen corresponding path program 1 times [2022-12-13 20:51:15,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:15,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043863542] [2022-12-13 20:51:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:15,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:51:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:15,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 20:51:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:16,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:16,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043863542] [2022-12-13 20:51:16,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043863542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:16,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:16,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:51:16,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212782273] [2022-12-13 20:51:16,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:16,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:51:16,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:16,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:51:16,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:51:16,002 INFO L87 Difference]: Start difference. First operand 63 states and 80 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), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:51:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:16,027 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-12-13 20:51:16,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:51:16,027 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), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-12-13 20:51:16,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:16,028 INFO L225 Difference]: With dead ends: 160 [2022-12-13 20:51:16,028 INFO L226 Difference]: Without dead ends: 104 [2022-12-13 20:51:16,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 20:51:16,030 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:16,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 147 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:51:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-12-13 20:51:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2022-12-13 20:51:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.3125) internal successors, (105), 87 states have internal predecessors, (105), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-12-13 20:51:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2022-12-13 20:51:16,042 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 129 transitions. Word has length 35 [2022-12-13 20:51:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:16,042 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 129 transitions. [2022-12-13 20:51:16,042 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), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:51:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2022-12-13 20:51:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 20:51:16,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:16,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:16,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:51:16,044 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:16,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:16,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2013550284, now seen corresponding path program 1 times [2022-12-13 20:51:16,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:16,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116819878] [2022-12-13 20:51:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:16,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:51:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 20:51:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:16,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:16,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116819878] [2022-12-13 20:51:16,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116819878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:16,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:16,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:51:16,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629620639] [2022-12-13 20:51:16,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:16,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:51:16,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:16,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:51:16,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:51:16,144 INFO L87 Difference]: Start difference. First operand 102 states and 129 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:51:16,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:16,207 INFO L93 Difference]: Finished difference Result 282 states and 373 transitions. [2022-12-13 20:51:16,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:51:16,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-12-13 20:51:16,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:16,209 INFO L225 Difference]: With dead ends: 282 [2022-12-13 20:51:16,209 INFO L226 Difference]: Without dead ends: 187 [2022-12-13 20:51:16,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:51:16,218 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:16,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 312 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:51:16,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-12-13 20:51:16,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2022-12-13 20:51:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 152 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2022-12-13 20:51:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2022-12-13 20:51:16,236 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 41 [2022-12-13 20:51:16,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:16,237 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2022-12-13 20:51:16,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:51:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2022-12-13 20:51:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 20:51:16,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:16,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:16,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:51:16,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:16,240 INFO L85 PathProgramCache]: Analyzing trace with hash -583739890, now seen corresponding path program 1 times [2022-12-13 20:51:16,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:16,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665515194] [2022-12-13 20:51:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:51:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 20:51:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:51:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:16,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:16,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665515194] [2022-12-13 20:51:16,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665515194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:16,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:16,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:51:16,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974942409] [2022-12-13 20:51:16,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:16,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:51:16,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:16,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:51:16,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:51:16,322 INFO L87 Difference]: Start difference. First operand 181 states and 231 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 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 20:51:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:16,488 INFO L93 Difference]: Finished difference Result 461 states and 623 transitions. [2022-12-13 20:51:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:51:16,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 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 45 [2022-12-13 20:51:16,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:16,491 INFO L225 Difference]: With dead ends: 461 [2022-12-13 20:51:16,491 INFO L226 Difference]: Without dead ends: 366 [2022-12-13 20:51:16,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 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 20:51:16,493 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 163 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:16,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 307 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:51:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-12-13 20:51:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 342. [2022-12-13 20:51:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2767527675276753) internal successors, (346), 294 states have internal predecessors, (346), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-12-13 20:51:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 444 transitions. [2022-12-13 20:51:16,524 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 444 transitions. Word has length 45 [2022-12-13 20:51:16,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:16,525 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 444 transitions. [2022-12-13 20:51:16,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 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 20:51:16,525 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 444 transitions. [2022-12-13 20:51:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 20:51:16,526 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:16,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:16,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:51:16,527 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:16,527 INFO L85 PathProgramCache]: Analyzing trace with hash -364885172, now seen corresponding path program 1 times [2022-12-13 20:51:16,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:16,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845162481] [2022-12-13 20:51:16,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:16,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:51:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 20:51:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:51:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:16,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:16,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845162481] [2022-12-13 20:51:16,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845162481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:16,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:16,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:51:16,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759907399] [2022-12-13 20:51:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:16,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:51:16,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:16,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:51:16,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:51:16,575 INFO L87 Difference]: Start difference. First operand 342 states and 444 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 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 20:51:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:16,723 INFO L93 Difference]: Finished difference Result 711 states and 938 transitions. [2022-12-13 20:51:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:51:16,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 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 45 [2022-12-13 20:51:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:16,728 INFO L225 Difference]: With dead ends: 711 [2022-12-13 20:51:16,728 INFO L226 Difference]: Without dead ends: 451 [2022-12-13 20:51:16,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:51:16,731 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 153 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:16,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 354 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:51:16,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-12-13 20:51:16,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 342. [2022-12-13 20:51:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2693726937269372) internal successors, (344), 294 states have internal predecessors, (344), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-12-13 20:51:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 442 transitions. [2022-12-13 20:51:16,787 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 442 transitions. Word has length 45 [2022-12-13 20:51:16,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:16,787 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 442 transitions. [2022-12-13 20:51:16,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 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 20:51:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 442 transitions. [2022-12-13 20:51:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 20:51:16,789 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:16,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:16,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:51:16,790 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:16,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:16,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1182533622, now seen corresponding path program 1 times [2022-12-13 20:51:16,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:16,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181409745] [2022-12-13 20:51:16,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:16,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:51:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 20:51:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:51:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:16,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:16,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181409745] [2022-12-13 20:51:16,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181409745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:16,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:16,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:51:16,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971590421] [2022-12-13 20:51:16,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:16,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:51:16,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:16,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:51:16,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:51:16,881 INFO L87 Difference]: Start difference. First operand 342 states and 442 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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 20:51:17,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:17,112 INFO L93 Difference]: Finished difference Result 829 states and 1093 transitions. [2022-12-13 20:51:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 20:51:17,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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 45 [2022-12-13 20:51:17,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:17,116 INFO L225 Difference]: With dead ends: 829 [2022-12-13 20:51:17,116 INFO L226 Difference]: Without dead ends: 494 [2022-12-13 20:51:17,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-12-13 20:51:17,118 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 316 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:17,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 343 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:51:17,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-12-13 20:51:17,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 367. [2022-12-13 20:51:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 295 states have (on average 1.2474576271186442) internal successors, (368), 316 states have internal predecessors, (368), 39 states have call successors, (39), 26 states have call predecessors, (39), 32 states have return successors, (63), 37 states have call predecessors, (63), 39 states have call successors, (63) [2022-12-13 20:51:17,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 470 transitions. [2022-12-13 20:51:17,149 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 470 transitions. Word has length 45 [2022-12-13 20:51:17,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:17,150 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 470 transitions. [2022-12-13 20:51:17,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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 20:51:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 470 transitions. [2022-12-13 20:51:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 20:51:17,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:17,151 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] [2022-12-13 20:51:17,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:51:17,151 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:17,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:17,152 INFO L85 PathProgramCache]: Analyzing trace with hash 987986838, now seen corresponding path program 1 times [2022-12-13 20:51:17,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:17,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552754963] [2022-12-13 20:51:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:17,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:51:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 20:51:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 20:51:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:51:17,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:17,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552754963] [2022-12-13 20:51:17,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552754963] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:51:17,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527350675] [2022-12-13 20:51:17,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:17,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:51:17,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:51:17,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:51:17,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:51:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:17,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 20:51:17,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:51:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:51:17,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:51:17,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527350675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:17,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:51:17,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2022-12-13 20:51:17,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070694156] [2022-12-13 20:51:17,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:17,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:51:17,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:17,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:51:17,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:51:17,523 INFO L87 Difference]: Start difference. First operand 367 states and 470 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 20:51:17,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:17,661 INFO L93 Difference]: Finished difference Result 1078 states and 1405 transitions. [2022-12-13 20:51:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:51:17,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-12-13 20:51:17,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:17,664 INFO L225 Difference]: With dead ends: 1078 [2022-12-13 20:51:17,664 INFO L226 Difference]: Without dead ends: 718 [2022-12-13 20:51:17,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:51:17,666 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 106 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:17,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 493 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:51:17,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-12-13 20:51:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 688. [2022-12-13 20:51:17,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 551 states have (on average 1.2304900181488203) internal successors, (678), 586 states have internal predecessors, (678), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2022-12-13 20:51:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 878 transitions. [2022-12-13 20:51:17,726 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 878 transitions. Word has length 50 [2022-12-13 20:51:17,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:17,726 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 878 transitions. [2022-12-13 20:51:17,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 20:51:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 878 transitions. [2022-12-13 20:51:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 20:51:17,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:17,728 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] [2022-12-13 20:51:17,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:51:17,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:51:17,929 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:17,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:17,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1869519007, now seen corresponding path program 1 times [2022-12-13 20:51:17,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:17,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934062651] [2022-12-13 20:51:17,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:17,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:51:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 20:51:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 20:51:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,026 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 20:51:18,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:18,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934062651] [2022-12-13 20:51:18,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934062651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:18,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:18,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:51:18,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222810023] [2022-12-13 20:51:18,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:18,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:51:18,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:18,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:51:18,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:51:18,029 INFO L87 Difference]: Start difference. First operand 688 states and 878 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 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 20:51:18,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:18,192 INFO L93 Difference]: Finished difference Result 1271 states and 1632 transitions. [2022-12-13 20:51:18,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:51:18,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 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 51 [2022-12-13 20:51:18,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:18,194 INFO L225 Difference]: With dead ends: 1271 [2022-12-13 20:51:18,194 INFO L226 Difference]: Without dead ends: 250 [2022-12-13 20:51:18,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 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 20:51:18,199 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 121 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:18,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 375 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:51:18,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-12-13 20:51:18,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2022-12-13 20:51:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 203 states have internal predecessors, (229), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2022-12-13 20:51:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2022-12-13 20:51:18,224 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 51 [2022-12-13 20:51:18,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:18,224 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2022-12-13 20:51:18,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 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 20:51:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2022-12-13 20:51:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 20:51:18,225 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:51:18,226 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] [2022-12-13 20:51:18,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:51:18,226 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:51:18,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:51:18,226 INFO L85 PathProgramCache]: Analyzing trace with hash -400361830, now seen corresponding path program 1 times [2022-12-13 20:51:18,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:51:18,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755375612] [2022-12-13 20:51:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:51:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:51:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:51:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 20:51:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 20:51:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:51:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:51:18,346 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 20:51:18,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:51:18,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755375612] [2022-12-13 20:51:18,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755375612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:51:18,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:51:18,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 20:51:18,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730745120] [2022-12-13 20:51:18,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:51:18,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 20:51:18,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:51:18,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 20:51:18,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:51:18,348 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:51:18,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:51:18,684 INFO L93 Difference]: Finished difference Result 473 states and 564 transitions. [2022-12-13 20:51:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 20:51:18,684 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-12-13 20:51:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:51:18,685 INFO L225 Difference]: With dead ends: 473 [2022-12-13 20:51:18,685 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:51:18,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-12-13 20:51:18,687 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 204 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:51:18,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 282 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:51:18,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:51:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:51:18,688 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 20:51:18,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:51:18,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-12-13 20:51:18,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:51:18,689 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:51:18,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:51:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:51:18,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:51:18,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:51:18,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 20:51:18,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:51:22,171 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2022-12-13 20:51:22,171 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2022-12-13 20:51:22,171 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2022-12-13 20:51:22,171 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse3 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 0 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1))) (or .cse1 (not (= ~pumpRunning~0 1)) .cse2 .cse3 .cse4))) [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L902 garLoopResultBuilder]: At program point L481-1(lines 481 485) the Hoare annotation is: true [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 467 496) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point L478(line 478) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L902 garLoopResultBuilder]: At program point L477-2(lines 477 491) the Hoare annotation is: true [2022-12-13 20:51:22,172 INFO L902 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L902 garLoopResultBuilder]: At program point L492(lines 467 496) the Hoare annotation is: true [2022-12-13 20:51:22,172 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 467 496) the Hoare annotation is: true [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 410 418) the Hoare annotation is: true [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 410 418) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2022-12-13 20:51:22,172 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2022-12-13 20:51:22,173 INFO L895 garLoopResultBuilder]: At program point L353-1(lines 338 370) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2) (let ((.cse10 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1| 0))) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse13 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse15 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse2) (and .cse9 .cse10 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse9 .cse10 .cse12 .cse5 .cse13 .cse14 .cse7 .cse15) (not (= ~methaneLevelCritical~0 1)) (and .cse12 .cse5 .cse13 .cse6 .cse14 .cse7 .cse8 .cse15 .cse2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse1) (or (and .cse9 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 .cse7 .cse8 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-12-13 20:51:22,173 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2022-12-13 20:51:22,173 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-12-13 20:51:22,174 INFO L895 garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-12-13 20:51:22,174 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2022-12-13 20:51:22,174 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse3))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-12-13 20:51:22,174 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2022-12-13 20:51:22,174 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse6)) (.cse2 (and .cse3 (<= ~waterLevel~0 1) .cse6 .cse4 .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse2 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)))) [2022-12-13 20:51:22,174 INFO L899 garLoopResultBuilder]: For program point L197-1(line 197) no Hoare annotation was computed. [2022-12-13 20:51:22,174 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2022-12-13 20:51:22,175 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 451 464) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse3 (<= ~waterLevel~0 1) .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) (and .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4)) (or .cse2 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-12-13 20:51:22,175 INFO L895 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-12-13 20:51:22,175 INFO L895 garLoopResultBuilder]: At program point L152-1(lines 133 157) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-12-13 20:51:22,176 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 442 450) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 1)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse11 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse15 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse17 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (not (<= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse16 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse17)) (.cse8 (and .cse14 .cse17 .cse10 .cse11 .cse12 .cse13 .cse15 .cse7)) (.cse9 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse8 .cse9 (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse12 .cse13 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse7)) (or (and .cse14 .cse15) .cse16 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse9 .cse5) (or (and (= ~pumpRunning~0 0) .cse14 .cse12 .cse15) .cse0 (and .cse14 .cse17 .cse10 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse11 .cse12 .cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse15 .cse7) .cse2 .cse3 .cse4) (or .cse16 .cse0 .cse2 .cse8 .cse9)))) [2022-12-13 20:51:22,176 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 367) no Hoare annotation was computed. [2022-12-13 20:51:22,176 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2022-12-13 20:51:22,176 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2022-12-13 20:51:22,176 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 149) no Hoare annotation was computed. [2022-12-13 20:51:22,176 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__highWaterSensor_returnLabel#1(lines 158 165) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse2 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6)) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-12-13 20:51:22,176 INFO L895 garLoopResultBuilder]: At program point L174-2(lines 167 183) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (let ((.cse13 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and .cse9 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse12 .cse6) (and .cse13 .cse0 .cse2 .cse4) (and .cse13 .cse9 .cse2 .cse10 .cse11 .cse4 .cse12))) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-12-13 20:51:22,177 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 928 935) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-12-13 20:51:22,177 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 101 124) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse3)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) (and .cse3 (= ~pumpRunning~0 1)))))) [2022-12-13 20:51:22,177 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 154) no Hoare annotation was computed. [2022-12-13 20:51:22,177 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2022-12-13 20:51:22,177 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2022-12-13 20:51:22,177 INFO L899 garLoopResultBuilder]: For program point L257-2(lines 257 261) no Hoare annotation was computed. [2022-12-13 20:51:22,177 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 248 266) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse3 (<= ~waterLevel~0 1) .cse5 .cse4)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse1 .cse2 .cse0 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (not (= ~methaneLevelCritical~0 1)))))) [2022-12-13 20:51:22,177 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2022-12-13 20:51:22,177 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 192 202) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse6 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse2 .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-12-13 20:51:22,178 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 203 211) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= |timeShift_isPumpRunning_#res#1| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4) (or .cse2 .cse4 (and .cse5 .cse6)) (or .cse1 (and .cse5 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_processEnvironment_~tmp~0#1| 0)) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (<= |timeShift_activatePump_~tmp~1#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1)) (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6) .cse2 .cse3) (or .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-12-13 20:51:22,178 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2022-12-13 20:51:22,178 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 104 123) no Hoare annotation was computed. [2022-12-13 20:51:22,178 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-12-13 20:51:22,178 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-12-13 20:51:22,178 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 528 537) the Hoare annotation is: true [2022-12-13 20:51:22,179 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-12-13 20:51:22,179 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 538 560) the Hoare annotation is: true [2022-12-13 20:51:22,179 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 555) no Hoare annotation was computed. [2022-12-13 20:51:22,179 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 555) no Hoare annotation was computed. [2022-12-13 20:51:22,179 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:51:22,179 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2022-12-13 20:51:22,179 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:51:22,179 INFO L895 garLoopResultBuilder]: At program point L317-2(lines 311 322) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-12-13 20:51:22,179 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 307) no Hoare annotation was computed. [2022-12-13 20:51:22,179 INFO L899 garLoopResultBuilder]: For program point L301-1(lines 301 307) no Hoare annotation was computed. [2022-12-13 20:51:22,180 INFO L902 garLoopResultBuilder]: At program point L330(lines 271 334) the Hoare annotation is: true [2022-12-13 20:51:22,180 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-12-13 20:51:22,180 INFO L895 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-12-13 20:51:22,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:51:22,180 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:51:22,180 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-12-13 20:51:22,180 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 328) the Hoare annotation is: false [2022-12-13 20:51:22,180 INFO L899 garLoopResultBuilder]: For program point L282(lines 281 326) no Hoare annotation was computed. [2022-12-13 20:51:22,180 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 322) no Hoare annotation was computed. [2022-12-13 20:51:22,181 INFO L895 garLoopResultBuilder]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-12-13 20:51:22,181 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-12-13 20:51:22,181 INFO L895 garLoopResultBuilder]: At program point L324(lines 281 326) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-12-13 20:51:22,181 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2022-12-13 20:51:22,181 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2022-12-13 20:51:22,181 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2022-12-13 20:51:22,181 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 397) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~pumpRunning~0 1)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2022-12-13 20:51:22,181 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2022-12-13 20:51:22,184 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:51:22,185 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:51:22,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:51:22 BoogieIcfgContainer [2022-12-13 20:51:22,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:51:22,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:51:22,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:51:22,221 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:51:22,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:51:15" (3/4) ... [2022-12-13 20:51:22,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:51:22,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 20:51:22,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 20:51:22,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 20:51:22,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-13 20:51:22,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 20:51:22,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 20:51:22,238 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-13 20:51:22,238 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:51:22,239 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:51:22,239 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:51:22,239 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:51:22,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) [2022-12-13 20:51:22,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) [2022-12-13 20:51:22,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) [2022-12-13 20:51:22,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-12-13 20:51:22,281 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:51:22,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:51:22,282 INFO L158 Benchmark]: Toolchain (without parser) took 7598.30ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 131.4MB in the beginning and 190.5MB in the end (delta: -59.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-13 20:51:22,282 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:51:22,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.09ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 112.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:51:22,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.02ms. Allocated memory is still 163.6MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:51:22,283 INFO L158 Benchmark]: Boogie Preprocessor took 17.82ms. Allocated memory is still 163.6MB. Free memory was 110.5MB in the beginning and 109.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:51:22,283 INFO L158 Benchmark]: RCFGBuilder took 342.74ms. Allocated memory is still 163.6MB. Free memory was 109.0MB in the beginning and 93.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:51:22,284 INFO L158 Benchmark]: TraceAbstraction took 6850.98ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 92.7MB in the beginning and 196.8MB in the end (delta: -104.0MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2022-12-13 20:51:22,284 INFO L158 Benchmark]: Witness Printer took 60.24ms. Allocated memory is still 237.0MB. Free memory was 196.8MB in the beginning and 190.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 20:51:22,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.09ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 112.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.02ms. Allocated memory is still 163.6MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.82ms. Allocated memory is still 163.6MB. Free memory was 110.5MB in the beginning and 109.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.74ms. Allocated memory is still 163.6MB. Free memory was 109.0MB in the beginning and 93.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6850.98ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 92.7MB in the beginning and 196.8MB in the end (delta: -104.0MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * Witness Printer took 60.24ms. Allocated memory is still 237.0MB. Free memory was 196.8MB in the beginning and 190.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: 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 7 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1268 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1233 mSDsluCounter, 2938 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2016 mSDsCounter, 197 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 197 mSolverCounterUnsat, 922 mSDtfsCounter, 996 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 111 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=9, InterpolantAutomatonStates: 78, 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, 306 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 1171 PreInvPairs, 1418 NumberOfFragments, 2268 HoareAnnotationTreeSize, 1171 FomulaSimplifications, 1824 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 37 FomulaSimplificationsInter, 16426 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 1229 SizeOfPredicates, 5 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) || (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((1 == systemActive && splverifierCounter == 0) && pumpRunning == 1) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:51:22,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddf1bbf-e4ba-48d0-8a42-17fa8201ef39/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