./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.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_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/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_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/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_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/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 894b9126919d6af09c0902d1c20b8183acfd3589fe20590a119ca487cf6e7a3f --- 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 20:46:16,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:46:16,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:46:16,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:46:16,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:46:16,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:46:16,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:46:16,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:46:16,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:46:16,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:46:16,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:46:16,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:46:16,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:46:16,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:46:16,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:46:16,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:46:16,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:46:16,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:46:16,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:46:16,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:46:16,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:46:16,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:46:16,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:46:16,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:46:16,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:46:16,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:46:16,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:46:16,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:46:16,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:46:16,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:46:16,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:46:16,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:46:16,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:46:16,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:46:16,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:46:16,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:46:16,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:46:16,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:46:16,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:46:16,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:46:16,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:46:16,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:46:16,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:46:16,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:46:16,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:46:16,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:46:16,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:46:16,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:46:16,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:46:16,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:46:16,790 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:46:16,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:46:16,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:46:16,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:46:16,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:46:16,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:46:16,793 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:46:16,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:46:16,793 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:46:16,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:46:16,793 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:46:16,793 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_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 894b9126919d6af09c0902d1c20b8183acfd3589fe20590a119ca487cf6e7a3f [2022-12-13 20:46:16,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:46:16,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:46:16,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:46:16,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:46:16,994 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:46:16,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2022-12-13 20:46:19,565 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:46:19,704 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:46:19,705 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2022-12-13 20:46:19,713 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/data/62242a628/1c5390e0e59b4596806051a6c9dfe435/FLAG1768fb06b [2022-12-13 20:46:19,724 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/data/62242a628/1c5390e0e59b4596806051a6c9dfe435 [2022-12-13 20:46:19,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:46:19,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:46:19,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:46:19,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:46:19,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:46:19,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:46:19" (1/1) ... [2022-12-13 20:46:19,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56077c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:19, skipping insertion in model container [2022-12-13 20:46:19,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:46:19" (1/1) ... [2022-12-13 20:46:19,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:46:19,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:46:19,862 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_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c[1605,1618] [2022-12-13 20:46:19,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:46:19,942 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:46:19,952 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_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c[1605,1618] [2022-12-13 20:46:19,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:46:20,001 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:46:20,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20 WrapperNode [2022-12-13 20:46:20,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:46:20,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:46:20,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:46:20,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:46:20,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,033 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 236 [2022-12-13 20:46:20,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:46:20,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:46:20,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:46:20,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:46:20,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:46:20,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:46:20,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:46:20,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:46:20,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (1/1) ... [2022-12-13 20:46:20,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:46:20,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:46:20,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:46:20,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:46:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:46:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 20:46:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 20:46:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 20:46:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 20:46:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 20:46:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 20:46:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 20:46:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 20:46:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 20:46:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 20:46:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 20:46:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 20:46:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-12-13 20:46:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-12-13 20:46:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 20:46:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 20:46:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:46:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 20:46:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 20:46:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:46:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:46:20,175 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:46:20,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:46:20,403 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:46:20,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:46:20,408 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:46:20,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:46:20 BoogieIcfgContainer [2022-12-13 20:46:20,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:46:20,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:46:20,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:46:20,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:46:20,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:46:19" (1/3) ... [2022-12-13 20:46:20,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd29a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:46:20, skipping insertion in model container [2022-12-13 20:46:20,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:46:20" (2/3) ... [2022-12-13 20:46:20,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd29a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:46:20, skipping insertion in model container [2022-12-13 20:46:20,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:46:20" (3/3) ... [2022-12-13 20:46:20,416 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2022-12-13 20:46:20,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:46:20,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:46:20,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:46:20,473 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;@635597d1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:46:20,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:46:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 20:46:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 20:46:20,483 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:20,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:46:20,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1971423540, now seen corresponding path program 1 times [2022-12-13 20:46:20,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:20,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337556589] [2022-12-13 20:46:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:20,628 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 20:46:20,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:20,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337556589] [2022-12-13 20:46:20,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337556589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:20,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:20,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:46:20,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407224162] [2022-12-13 20:46:20,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:20,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:46:20,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:46:20,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:46:20,656 INFO L87 Difference]: Start difference. First operand has 104 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:46:20,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:20,685 INFO L93 Difference]: Finished difference Result 200 states and 271 transitions. [2022-12-13 20:46:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:46:20,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 20:46:20,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:20,694 INFO L225 Difference]: With dead ends: 200 [2022-12-13 20:46:20,694 INFO L226 Difference]: Without dead ends: 95 [2022-12-13 20:46:20,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 20:46:20,700 INFO L413 NwaCegarLoop]: 132 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, 132 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 20:46:20,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:46:20,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-13 20:46:20,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-12-13 20:46:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 79 states have internal predecessors, (92), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 20:46:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2022-12-13 20:46:20,745 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 123 transitions. Word has length 19 [2022-12-13 20:46:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:20,746 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-12-13 20:46:20,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:46:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2022-12-13 20:46:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 20:46:20,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:20,749 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] [2022-12-13 20:46:20,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:46:20,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:20,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:20,750 INFO L85 PathProgramCache]: Analyzing trace with hash -856589602, now seen corresponding path program 1 times [2022-12-13 20:46:20,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:20,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987260889] [2022-12-13 20:46:20,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:20,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:20,838 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 20:46:20,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:20,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987260889] [2022-12-13 20:46:20,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987260889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:20,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:20,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:46:20,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453470467] [2022-12-13 20:46:20,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:20,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:46:20,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:20,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:46:20,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:46:20,842 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:46:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:20,859 INFO L93 Difference]: Finished difference Result 155 states and 201 transitions. [2022-12-13 20:46:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:46:20,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-13 20:46:20,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:20,861 INFO L225 Difference]: With dead ends: 155 [2022-12-13 20:46:20,861 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 20:46:20,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 20:46:20,862 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 13 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 203 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 20:46:20,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 203 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:46:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 20:46:20,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-12-13 20:46:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.328125) internal successors, (85), 73 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 20:46:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2022-12-13 20:46:20,871 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 20 [2022-12-13 20:46:20,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:20,871 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2022-12-13 20:46:20,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:46:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2022-12-13 20:46:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:46:20,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:20,872 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 20:46:20,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:46:20,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:20,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:20,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2135542647, now seen corresponding path program 1 times [2022-12-13 20:46:20,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:20,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141920174] [2022-12-13 20:46:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:20,956 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 20:46:20,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:20,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141920174] [2022-12-13 20:46:20,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141920174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:20,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:20,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:46:20,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808587625] [2022-12-13 20:46:20,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:20,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:46:20,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:20,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:46:20,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:46:20,959 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:46:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:21,013 INFO L93 Difference]: Finished difference Result 165 states and 216 transitions. [2022-12-13 20:46:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:46:21,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-13 20:46:21,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:21,015 INFO L225 Difference]: With dead ends: 165 [2022-12-13 20:46:21,015 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 20:46:21,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:46:21,016 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 136 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:21,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 280 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:46:21,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 20:46:21,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-12-13 20:46:21,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 73 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 20:46:21,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-12-13 20:46:21,026 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 25 [2022-12-13 20:46:21,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:21,027 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-12-13 20:46:21,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:46:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-12-13 20:46:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 20:46:21,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:21,028 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] [2022-12-13 20:46:21,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:46:21,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:21,029 INFO L85 PathProgramCache]: Analyzing trace with hash -181443690, now seen corresponding path program 1 times [2022-12-13 20:46:21,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:21,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698205128] [2022-12-13 20:46:21,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:21,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:46:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 20:46:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,070 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 20:46:21,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:21,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698205128] [2022-12-13 20:46:21,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698205128] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:21,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:21,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:46:21,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234939601] [2022-12-13 20:46:21,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:21,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:46:21,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:21,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:46:21,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:46:21,073 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 20:46:21,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:21,206 INFO L93 Difference]: Finished difference Result 241 states and 309 transitions. [2022-12-13 20:46:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:46:21,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 38 [2022-12-13 20:46:21,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:21,208 INFO L225 Difference]: With dead ends: 241 [2022-12-13 20:46:21,208 INFO L226 Difference]: Without dead ends: 162 [2022-12-13 20:46:21,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:46:21,210 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 169 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:21,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 193 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:46:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-12-13 20:46:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2022-12-13 20:46:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 119 states have (on average 1.26890756302521) internal successors, (151), 128 states have internal predecessors, (151), 16 states have call successors, (16), 15 states have call predecessors, (16), 20 states have return successors, (27), 18 states have call predecessors, (27), 16 states have call successors, (27) [2022-12-13 20:46:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 194 transitions. [2022-12-13 20:46:21,225 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 194 transitions. Word has length 38 [2022-12-13 20:46:21,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:21,226 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 194 transitions. [2022-12-13 20:46:21,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 20:46:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2022-12-13 20:46:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 20:46:21,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:21,227 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, 1] [2022-12-13 20:46:21,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:46:21,227 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:21,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:21,227 INFO L85 PathProgramCache]: Analyzing trace with hash -91120732, now seen corresponding path program 1 times [2022-12-13 20:46:21,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:21,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658509265] [2022-12-13 20:46:21,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:21,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:46:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:46:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,352 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 20:46:21,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:21,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658509265] [2022-12-13 20:46:21,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658509265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:21,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:21,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 20:46:21,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612585382] [2022-12-13 20:46:21,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:21,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:46:21,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:21,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:46:21,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:46:21,353 INFO L87 Difference]: Start difference. First operand 156 states and 194 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 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 20:46:21,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:21,786 INFO L93 Difference]: Finished difference Result 544 states and 736 transitions. [2022-12-13 20:46:21,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 20:46:21,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-12-13 20:46:21,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:21,789 INFO L225 Difference]: With dead ends: 544 [2022-12-13 20:46:21,789 INFO L226 Difference]: Without dead ends: 395 [2022-12-13 20:46:21,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2022-12-13 20:46:21,790 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 341 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:21,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 661 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:46:21,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-12-13 20:46:21,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 377. [2022-12-13 20:46:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 286 states have (on average 1.2377622377622377) internal successors, (354), 306 states have internal predecessors, (354), 40 states have call successors, (40), 38 states have call predecessors, (40), 50 states have return successors, (90), 46 states have call predecessors, (90), 40 states have call successors, (90) [2022-12-13 20:46:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 484 transitions. [2022-12-13 20:46:21,825 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 484 transitions. Word has length 46 [2022-12-13 20:46:21,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:21,825 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 484 transitions. [2022-12-13 20:46:21,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 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 20:46:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 484 transitions. [2022-12-13 20:46:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-13 20:46:21,827 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:21,828 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:46:21,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:46:21,828 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:21,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:21,828 INFO L85 PathProgramCache]: Analyzing trace with hash 908063002, now seen corresponding path program 1 times [2022-12-13 20:46:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:21,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275755563] [2022-12-13 20:46:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:21,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:46:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:46:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:46:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:46:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 20:46:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 20:46:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:46:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 20:46:21,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:21,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275755563] [2022-12-13 20:46:21,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275755563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:21,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:21,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:46:21,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601370968] [2022-12-13 20:46:21,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:21,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:46:21,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:21,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:46:21,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:46:21,965 INFO L87 Difference]: Start difference. First operand 377 states and 484 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:46:22,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:22,225 INFO L93 Difference]: Finished difference Result 840 states and 1145 transitions. [2022-12-13 20:46:22,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:46:22,226 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2022-12-13 20:46:22,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:22,230 INFO L225 Difference]: With dead ends: 840 [2022-12-13 20:46:22,230 INFO L226 Difference]: Without dead ends: 470 [2022-12-13 20:46:22,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:46:22,233 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 111 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:22,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 364 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:46:22,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-12-13 20:46:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 431. [2022-12-13 20:46:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 330 states have (on average 1.2242424242424241) internal successors, (404), 355 states have internal predecessors, (404), 44 states have call successors, (44), 38 states have call predecessors, (44), 56 states have return successors, (104), 51 states have call predecessors, (104), 44 states have call successors, (104) [2022-12-13 20:46:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 552 transitions. [2022-12-13 20:46:22,265 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 552 transitions. Word has length 93 [2022-12-13 20:46:22,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:22,265 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 552 transitions. [2022-12-13 20:46:22,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:46:22,266 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 552 transitions. [2022-12-13 20:46:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 20:46:22,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:22,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:46:22,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:46:22,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:22,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1534943524, now seen corresponding path program 1 times [2022-12-13 20:46:22,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:22,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930414777] [2022-12-13 20:46:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:22,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:46:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:46:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:46:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 20:46:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 20:46:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 20:46:22,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:22,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930414777] [2022-12-13 20:46:22,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930414777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:22,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:22,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:46:22,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028328448] [2022-12-13 20:46:22,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:22,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:46:22,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:22,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:46:22,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:46:22,419 INFO L87 Difference]: Start difference. First operand 431 states and 552 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 20:46:22,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:22,674 INFO L93 Difference]: Finished difference Result 808 states and 1073 transitions. [2022-12-13 20:46:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:46:22,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 85 [2022-12-13 20:46:22,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:22,682 INFO L225 Difference]: With dead ends: 808 [2022-12-13 20:46:22,682 INFO L226 Difference]: Without dead ends: 384 [2022-12-13 20:46:22,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:46:22,684 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 136 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:22,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 349 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:46:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-12-13 20:46:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 368. [2022-12-13 20:46:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 280 states have (on average 1.2142857142857142) internal successors, (340), 301 states have internal predecessors, (340), 40 states have call successors, (40), 33 states have call predecessors, (40), 47 states have return successors, (86), 44 states have call predecessors, (86), 40 states have call successors, (86) [2022-12-13 20:46:22,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 466 transitions. [2022-12-13 20:46:22,708 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 466 transitions. Word has length 85 [2022-12-13 20:46:22,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:22,709 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 466 transitions. [2022-12-13 20:46:22,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 20:46:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 466 transitions. [2022-12-13 20:46:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-13 20:46:22,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:22,710 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:46:22,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:46:22,711 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:22,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:22,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1438943688, now seen corresponding path program 1 times [2022-12-13 20:46:22,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:22,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053169289] [2022-12-13 20:46:22,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:22,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:46:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:46:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:46:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:46:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 20:46:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 20:46:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 20:46:22,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:22,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053169289] [2022-12-13 20:46:22,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053169289] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:46:22,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672179833] [2022-12-13 20:46:22,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:22,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:46:22,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:46:22,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:46:22,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:46:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:22,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 20:46:22,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:46:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:46:23,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:46:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 20:46:23,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672179833] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:46:23,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:46:23,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2022-12-13 20:46:23,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523694678] [2022-12-13 20:46:23,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:46:23,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 20:46:23,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 20:46:23,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:46:23,145 INFO L87 Difference]: Start difference. First operand 368 states and 466 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 9 states have internal predecessors, (116), 3 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 20:46:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:24,139 INFO L93 Difference]: Finished difference Result 817 states and 1104 transitions. [2022-12-13 20:46:24,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 20:46:24,140 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 9 states have internal predecessors, (116), 3 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 89 [2022-12-13 20:46:24,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:24,143 INFO L225 Difference]: With dead ends: 817 [2022-12-13 20:46:24,143 INFO L226 Difference]: Without dead ends: 504 [2022-12-13 20:46:24,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 199 SyntacticMatches, 6 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=481, Invalid=2275, Unknown=0, NotChecked=0, Total=2756 [2022-12-13 20:46:24,147 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 783 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:24,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 683 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:46:24,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-12-13 20:46:24,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 434. [2022-12-13 20:46:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 328 states have (on average 1.2103658536585367) internal successors, (397), 352 states have internal predecessors, (397), 51 states have call successors, (51), 44 states have call predecessors, (51), 54 states have return successors, (111), 50 states have call predecessors, (111), 51 states have call successors, (111) [2022-12-13 20:46:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 559 transitions. [2022-12-13 20:46:24,189 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 559 transitions. Word has length 89 [2022-12-13 20:46:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:24,189 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 559 transitions. [2022-12-13 20:46:24,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 9 states have internal predecessors, (116), 3 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 20:46:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 559 transitions. [2022-12-13 20:46:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 20:46:24,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:24,192 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:24,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:46:24,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:46:24,393 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:24,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1270234994, now seen corresponding path program 1 times [2022-12-13 20:46:24,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:24,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423756397] [2022-12-13 20:46:24,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:24,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:46:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:46:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:46:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:46:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:46:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 20:46:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:46:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:46:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 20:46:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:46:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:46:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 20:46:24,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:24,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423756397] [2022-12-13 20:46:24,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423756397] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:46:24,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046356433] [2022-12-13 20:46:24,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:24,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:46:24,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:46:24,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:46:24,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 20:46:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:24,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 20:46:24,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:46:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 88 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 20:46:24,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:46:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 53 proven. 23 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-13 20:46:25,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046356433] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:46:25,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:46:25,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 17 [2022-12-13 20:46:25,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206868206] [2022-12-13 20:46:25,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:46:25,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 20:46:25,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:25,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 20:46:25,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-12-13 20:46:25,104 INFO L87 Difference]: Start difference. First operand 434 states and 559 transitions. Second operand has 17 states, 17 states have (on average 8.941176470588236) internal successors, (152), 15 states have internal predecessors, (152), 6 states have call successors, (33), 9 states have call predecessors, (33), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2022-12-13 20:46:26,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:26,087 INFO L93 Difference]: Finished difference Result 1193 states and 1627 transitions. [2022-12-13 20:46:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 20:46:26,088 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.941176470588236) internal successors, (152), 15 states have internal predecessors, (152), 6 states have call successors, (33), 9 states have call predecessors, (33), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) Word has length 150 [2022-12-13 20:46:26,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:26,093 INFO L225 Difference]: With dead ends: 1193 [2022-12-13 20:46:26,093 INFO L226 Difference]: Without dead ends: 813 [2022-12-13 20:46:26,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 327 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 20:46:26,096 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 782 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:26,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 801 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:46:26,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2022-12-13 20:46:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 710. [2022-12-13 20:46:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 533 states have (on average 1.2026266416510318) internal successors, (641), 565 states have internal predecessors, (641), 83 states have call successors, (83), 76 states have call predecessors, (83), 93 states have return successors, (177), 85 states have call predecessors, (177), 83 states have call successors, (177) [2022-12-13 20:46:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 901 transitions. [2022-12-13 20:46:26,163 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 901 transitions. Word has length 150 [2022-12-13 20:46:26,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:26,164 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 901 transitions. [2022-12-13 20:46:26,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.941176470588236) internal successors, (152), 15 states have internal predecessors, (152), 6 states have call successors, (33), 9 states have call predecessors, (33), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2022-12-13 20:46:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 901 transitions. [2022-12-13 20:46:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 20:46:26,167 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:26,167 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:26,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 20:46:26,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 20:46:26,369 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:46:26,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:26,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2070792144, now seen corresponding path program 1 times [2022-12-13 20:46:26,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:26,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260692626] [2022-12-13 20:46:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:46:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:46:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:46:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:46:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:46:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 20:46:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:46:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:46:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 20:46:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:46:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:46:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:46:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 20:46:26,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:26,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260692626] [2022-12-13 20:46:26,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260692626] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:46:26,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532132513] [2022-12-13 20:46:26,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:26,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:46:26,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:46:26,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:46:26,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 20:46:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:26,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 20:46:26,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:46:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 20:46:26,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:46:26,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532132513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:26,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:46:26,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 8 [2022-12-13 20:46:26,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614281321] [2022-12-13 20:46:26,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:26,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:46:26,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:26,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:46:26,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:46:26,747 INFO L87 Difference]: Start difference. First operand 710 states and 901 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 20:46:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:26,792 INFO L93 Difference]: Finished difference Result 942 states and 1183 transitions. [2022-12-13 20:46:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:46:26,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 150 [2022-12-13 20:46:26,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:26,794 INFO L225 Difference]: With dead ends: 942 [2022-12-13 20:46:26,794 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:46:26,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:46:26,797 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 9 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:26,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 415 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:46:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:46:26,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:46:26,798 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 20:46:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:46:26,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2022-12-13 20:46:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:26,798 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:46:26,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 20:46:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:46:26,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:46:26,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:46:26,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 20:46:27,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 20:46:27,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:46:28,942 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2022-12-13 20:46:28,943 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 278 285) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-12-13 20:46:28,943 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2022-12-13 20:46:28,943 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 168 174) no Hoare annotation was computed. [2022-12-13 20:46:28,943 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 168 174) the Hoare annotation is: true [2022-12-13 20:46:28,943 INFO L899 garLoopResultBuilder]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2022-12-13 20:46:28,943 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 942 953) the Hoare annotation is: true [2022-12-13 20:46:28,943 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 942 953) no Hoare annotation was computed. [2022-12-13 20:46:28,943 INFO L902 garLoopResultBuilder]: At program point L480(lines 455 484) the Hoare annotation is: true [2022-12-13 20:46:28,943 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 455 484) no Hoare annotation was computed. [2022-12-13 20:46:28,944 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-12-13 20:46:28,944 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed. [2022-12-13 20:46:28,944 INFO L902 garLoopResultBuilder]: At program point L469-1(lines 469 473) the Hoare annotation is: true [2022-12-13 20:46:28,944 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2022-12-13 20:46:28,944 INFO L902 garLoopResultBuilder]: At program point L465-2(lines 465 479) the Hoare annotation is: true [2022-12-13 20:46:28,944 INFO L902 garLoopResultBuilder]: At program point L461(line 461) the Hoare annotation is: true [2022-12-13 20:46:28,944 INFO L899 garLoopResultBuilder]: For program point L461-1(line 461) no Hoare annotation was computed. [2022-12-13 20:46:28,944 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 455 484) the Hoare annotation is: true [2022-12-13 20:46:28,944 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 155 161) no Hoare annotation was computed. [2022-12-13 20:46:28,944 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) [2022-12-13 20:46:28,945 INFO L895 garLoopResultBuilder]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) [2022-12-13 20:46:28,945 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) [2022-12-13 20:46:28,945 INFO L899 garLoopResultBuilder]: For program point L234-1(line 234) no Hoare annotation was computed. [2022-12-13 20:46:28,945 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 144 167) no Hoare annotation was computed. [2022-12-13 20:46:28,945 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2022-12-13 20:46:28,945 INFO L895 garLoopResultBuilder]: At program point L247-1(lines 228 252) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (let ((.cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (and .cse3 .cse4) .cse1 (and (<= 2 ~waterLevel~0) .cse4) .cse2)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= ~waterLevel~0 1)) .cse2))) [2022-12-13 20:46:28,946 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 986 994) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 (= ~waterLevel~0 1)) .cse2) (let ((.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (and (<= 2 ~waterLevel~0) .cse5 .cse4) (and .cse3 .cse5 .cse4) .cse2)))) [2022-12-13 20:46:28,946 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 147 166) no Hoare annotation was computed. [2022-12-13 20:46:28,946 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-12-13 20:46:28,946 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 244) no Hoare annotation was computed. [2022-12-13 20:46:28,946 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 50 57) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse0))) [2022-12-13 20:46:28,946 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 144 167) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2022-12-13 20:46:28,946 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 249) no Hoare annotation was computed. [2022-12-13 20:46:28,946 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2022-12-13 20:46:28,947 INFO L895 garLoopResultBuilder]: At program point L922-2(lines 918 929) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) [2022-12-13 20:46:28,947 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2022-12-13 20:46:28,947 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 411) no Hoare annotation was computed. [2022-12-13 20:46:28,947 INFO L895 garLoopResultBuilder]: At program point L398-1(lines 390 414) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~7#1|)) (.cse4 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (<= |old(~waterLevel~0)| 1)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) .cse1) (let ((.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (and (<= 2 ~waterLevel~0) .cse3 .cse5 .cse4) (< |old(~waterLevel~0)| 2) (and .cse2 .cse3 .cse5 .cse4) .cse1)))) [2022-12-13 20:46:28,947 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 167) no Hoare annotation was computed. [2022-12-13 20:46:28,947 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 297 305) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse0))) [2022-12-13 20:46:28,947 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-12-13 20:46:28,947 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 380 387) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) .cse1 .cse2))) [2022-12-13 20:46:28,947 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: false [2022-12-13 20:46:28,947 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 516 525) the Hoare annotation is: true [2022-12-13 20:46:28,948 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 430 436) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 20:46:28,948 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 526 548) the Hoare annotation is: true [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 543) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) .cse1 .cse2))) [2022-12-13 20:46:28,948 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) .cse1 .cse2))) [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L536-2(lines 536 543) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 509 515) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) (not (= 0 ~systemActive~0))) [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L895 garLoopResultBuilder]: At program point L112-2(lines 104 117) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) .cse1 .cse2))) [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:46:28,948 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 437 443) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 20:46:28,948 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse2) (and .cse0 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) .cse1 .cse2))) [2022-12-13 20:46:28,949 INFO L902 garLoopResultBuilder]: At program point L125(lines 64 129) the Hoare annotation is: true [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 444 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse1) (not (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (= 0 ~systemActive~0))) [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 192) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 197) no Hoare annotation was computed. [2022-12-13 20:46:28,949 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 176 200) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2022-12-13 20:46:28,949 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-12-13 20:46:28,949 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 995 1008) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and .cse0 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse0 (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0))) [2022-12-13 20:46:28,949 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 176 200) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 342 360) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 176 200) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (< ~waterLevel~0 2) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point L268-2(lines 261 277) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (<= 2 ~waterLevel~0) (= 0 ~systemActive~0)) [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point L999(lines 999 1005) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 253 260) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 930 941) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 930 941) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse0 (= ~waterLevel~0 1)) (or (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L899 garLoopResultBuilder]: For program point L370-2(lines 370 374) no Hoare annotation was computed. [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 1009 1017) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 20:46:28,950 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 202 226) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-12-13 20:46:28,951 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 361 379) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp___0~2#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~6#1| 0)) .cse0 .cse1))) [2022-12-13 20:46:28,951 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-12-13 20:46:28,951 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp___0~2#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_#res#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~2#1|) (= |processEnvironment__wrappee__methaneQuery_isLowWaterLevel_~tmp~6#1| 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-12-13 20:46:28,951 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 218) no Hoare annotation was computed. [2022-12-13 20:46:28,951 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 223) no Hoare annotation was computed. [2022-12-13 20:46:28,951 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 202 226) no Hoare annotation was computed. [2022-12-13 20:46:28,951 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 954 962) the Hoare annotation is: true [2022-12-13 20:46:28,951 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 286 296) no Hoare annotation was computed. [2022-12-13 20:46:28,951 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 286 296) the Hoare annotation is: true [2022-12-13 20:46:28,951 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 286 296) no Hoare annotation was computed. [2022-12-13 20:46:28,953 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:46:28,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:46:28,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:46:28 BoogieIcfgContainer [2022-12-13 20:46:28,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:46:28,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:46:28,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:46:28,970 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:46:28,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:46:20" (3/4) ... [2022-12-13 20:46:28,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:46:28,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 20:46:28,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 20:46:28,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 20:46:28,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 20:46:28,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 20:46:28,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 20:46:28,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 20:46:28,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-12-13 20:46:28,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-12-13 20:46:28,983 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-13 20:46:28,983 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:46:28,983 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:46:28,983 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:46:28,983 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:46:29,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-12-13 20:46:29,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive) [2022-12-13 20:46:29,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-12-13 20:46:29,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive) && ((\old(waterLevel) < 2 || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) [2022-12-13 20:46:29,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || \old(waterLevel) < 2) || \old(waterLevel) == waterLevel) || 0 == systemActive) && ((((pumpRunning == 0 && \old(waterLevel) <= waterLevel + 1) || \old(waterLevel) < 2) || (2 <= waterLevel && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-12-13 20:46:29,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-12-13 20:46:29,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || \old(waterLevel) < 2) || \old(waterLevel) == waterLevel) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && 1 <= \result) && waterLevel == 1)) || 0 == systemActive)) && (((\old(waterLevel) < 2 || ((2 <= waterLevel && \old(waterLevel) <= waterLevel + 1) && 1 <= \result)) || ((pumpRunning == 0 && \old(waterLevel) <= waterLevel + 1) && 1 <= \result)) || 0 == systemActive) [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel) || 0 == systemActive) || \old(waterLevel) <= 1) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && waterLevel == 1)) || 0 == systemActive)) && ((((((2 <= waterLevel && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && 1 <= \result) || \old(waterLevel) < 2) || (((pumpRunning == 0 && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && 1 <= \result)) || 0 == systemActive) [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 <= waterLevel) || (pumpRunning == \old(pumpRunning) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive) && (\old(waterLevel) < 2 || 0 == systemActive) [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive) && (\old(waterLevel) < 2 || 0 == systemActive) [2022-12-13 20:46:29,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && !(\result == 0)) && \result == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || waterLevel < 2) || 0 == systemActive) [2022-12-13 20:46:29,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:46:29,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:46:29,018 INFO L158 Benchmark]: Toolchain (without parser) took 9291.48ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 116.1MB in the beginning and 85.1MB in the end (delta: 31.0MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-12-13 20:46:29,018 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:46:29,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.24ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 97.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:46:29,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.24ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 94.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:46:29,019 INFO L158 Benchmark]: Boogie Preprocessor took 19.09ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:46:29,019 INFO L158 Benchmark]: RCFGBuilder took 356.66ms. Allocated memory is still 157.3MB. Free memory was 93.0MB in the beginning and 75.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:46:29,019 INFO L158 Benchmark]: TraceAbstraction took 8557.57ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 75.2MB in the beginning and 91.4MB in the end (delta: -16.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-12-13 20:46:29,019 INFO L158 Benchmark]: Witness Printer took 47.84ms. Allocated memory is still 188.7MB. Free memory was 91.4MB in the beginning and 85.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 20:46:29,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.24ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 97.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.24ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 94.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.09ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.66ms. Allocated memory is still 157.3MB. Free memory was 93.0MB in the beginning and 75.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8557.57ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 75.2MB in the beginning and 91.4MB in the end (delta: -16.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Witness Printer took 47.84ms. Allocated memory is still 188.7MB. Free memory was 91.4MB in the beginning and 85.1MB 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2512 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2480 mSDsluCounter, 4081 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3077 mSDsCounter, 956 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3666 IncrementalHoareTripleChecker+Invalid, 4622 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 956 mSolverCounterUnsat, 1004 mSDtfsCounter, 3666 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 920 GetRequests, 763 SyntacticMatches, 12 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=710occurred in iteration=9, InterpolantAutomatonStates: 136, 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, 10 MinimizatonAttempts, 252 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 1422 PreInvPairs, 1536 NumberOfFragments, 1066 HoareAnnotationTreeSize, 1422 FomulaSimplifications, 1427 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7307 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1104 NumberOfCodeBlocks, 1104 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1328 ConstructedInterpolants, 0 QuantifiedInterpolants, 2338 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1252 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 554/634 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: 509]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || \old(waterLevel) < 2) || \old(waterLevel) == waterLevel) || 0 == systemActive) && ((((pumpRunning == 0 && \old(waterLevel) <= waterLevel + 1) || \old(waterLevel) < 2) || (2 <= waterLevel && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive) && ((\old(waterLevel) < 2 || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel) || 0 == systemActive) || \old(waterLevel) <= 1) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && waterLevel == 1)) || 0 == systemActive)) && ((((((2 <= waterLevel && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && 1 <= \result) || \old(waterLevel) < 2) || (((pumpRunning == 0 && 1 <= tmp) && \old(waterLevel) <= waterLevel + 1) && 1 <= \result)) || 0 == systemActive) - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: ((!(1 <= waterLevel) || (pumpRunning == \old(pumpRunning) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive) && (\old(waterLevel) < 2 || 0 == systemActive) - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && !(\result == 0)) && \result == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || waterLevel < 2) || 0 == systemActive) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) || ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive) && (\old(waterLevel) < 2 || 0 == systemActive) - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || \old(waterLevel) < 2) || \old(waterLevel) == waterLevel) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && 1 <= \result) && waterLevel == 1)) || 0 == systemActive)) && (((\old(waterLevel) < 2 || ((2 <= waterLevel && \old(waterLevel) <= waterLevel + 1) && 1 <= \result)) || ((pumpRunning == 0 && \old(waterLevel) <= waterLevel + 1) && 1 <= \result)) || 0 == systemActive) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:46:29,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e38a21e-9ba0-4d36-81ae-d544ed9f6b79/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