./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 --- 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-4e7fbc6 [2022-11-23 14:24:45,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:24:45,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:24:45,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:24:45,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:24:45,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:24:45,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:24:45,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:24:45,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:24:45,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:24:45,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:24:45,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:24:45,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:24:45,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:24:45,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:24:45,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:24:45,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:24:45,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:24:45,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:24:45,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:24:45,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:24:45,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:24:45,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:24:45,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:24:45,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:24:45,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:24:45,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:24:45,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:24:45,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:24:45,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:24:45,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:24:45,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:24:45,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:24:45,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:24:45,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:24:45,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:24:45,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:24:45,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:24:45,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:24:45,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:24:45,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:24:45,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:24:45,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:24:45,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:24:45,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:24:45,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:24:45,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:24:45,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:24:45,944 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:24:45,944 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:24:45,945 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:24:45,945 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:24:45,945 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:24:45,946 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:24:45,946 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:24:45,946 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:24:45,947 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:24:45,947 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:24:45,947 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:24:45,948 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:24:45,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:24:45,949 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:24:45,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:24:45,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:24:45,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:24:45,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:24:45,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:24:45,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:24:45,951 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:24:45,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:24:45,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:24:45,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:24:45,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:24:45,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:24:45,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:45,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:24:45,954 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:24:45,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:24:45,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:24:45,955 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:24:45,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:24:45,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:24:45,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:24:45,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 [2022-11-23 14:24:46,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:24:46,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:24:46,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:24:46,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:24:46,379 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:24:46,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-11-23 14:24:49,782 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:24:50,167 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:24:50,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-11-23 14:24:50,181 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/data/db4602d8b/94183e4205564e7ca67a83983081b3dd/FLAG0e335dd20 [2022-11-23 14:24:50,197 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/data/db4602d8b/94183e4205564e7ca67a83983081b3dd [2022-11-23 14:24:50,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:24:50,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:24:50,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:50,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:24:50,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:24:50,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f70bd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50, skipping insertion in model container [2022-11-23 14:24:50,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:24:50,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:24:50,634 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_c3f49921-76fb-4d3a-8135-f8208dcadcc0/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-11-23 14:24:50,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:24:50,734 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:24:50,808 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_c3f49921-76fb-4d3a-8135-f8208dcadcc0/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-11-23 14:24:50,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:24:50,872 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:24:50,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50 WrapperNode [2022-11-23 14:24:50,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:50,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:24:50,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:24:50,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:24:50,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,954 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 214 [2022-11-23 14:24:50,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:24:50,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:24:50,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:24:50,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:24:50,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:50,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:51,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:51,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:51,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:24:51,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:24:51,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:24:51,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:24:51,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (1/1) ... [2022-11-23 14:24:51,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:51,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:24:51,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:24:51,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:24:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:24:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 14:24:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 14:24:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 14:24:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 14:24:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 14:24:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 14:24:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 14:24:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 14:24:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-23 14:24:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-23 14:24:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-23 14:24:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-23 14:24:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-23 14:24:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-23 14:24:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-23 14:24:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-23 14:24:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:24:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 14:24:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 14:24:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:24:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:24:51,247 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:24:51,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:24:51,693 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:24:51,808 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:24:51,808 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 14:24:51,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:51 BoogieIcfgContainer [2022-11-23 14:24:51,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:24:51,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:24:51,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:24:51,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:24:51,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:24:50" (1/3) ... [2022-11-23 14:24:51,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6e4534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:51, skipping insertion in model container [2022-11-23 14:24:51,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:50" (2/3) ... [2022-11-23 14:24:51,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6e4534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:51, skipping insertion in model container [2022-11-23 14:24:51,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:51" (3/3) ... [2022-11-23 14:24:51,822 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2022-11-23 14:24:51,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:24:51,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:24:51,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:24:51,907 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=FINITE_AUTOMATA, 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;@5eb7f0ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:24:51,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:24:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 54 states have internal predecessors, (64), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 14:24:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 14:24:51,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:51,928 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:51,929 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:51,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:51,937 INFO L85 PathProgramCache]: Analyzing trace with hash 290419434, now seen corresponding path program 1 times [2022-11-23 14:24:51,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:51,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323328349] [2022-11-23 14:24:51,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:51,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:24:52,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:52,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323328349] [2022-11-23 14:24:52,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323328349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:52,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:52,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:24:52,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692769425] [2022-11-23 14:24:52,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:52,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:24:52,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:52,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:24:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:24:52,237 INFO L87 Difference]: Start difference. First operand has 72 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 54 states have internal predecessors, (64), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:52,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:52,325 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2022-11-23 14:24:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:24:52,330 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-23 14:24:52,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:52,340 INFO L225 Difference]: With dead ends: 142 [2022-11-23 14:24:52,340 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 14:24:52,344 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 [2022-11-23 14:24:52,348 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:52,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:24:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 14:24:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 14:24:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 50 states have internal predecessors, (56), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 14:24:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 87 transitions. [2022-11-23 14:24:52,408 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 87 transitions. Word has length 21 [2022-11-23 14:24:52,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:52,409 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 87 transitions. [2022-11-23 14:24:52,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2022-11-23 14:24:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 14:24:52,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:52,412 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:52,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:24:52,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:52,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:52,414 INFO L85 PathProgramCache]: Analyzing trace with hash -817408466, now seen corresponding path program 1 times [2022-11-23 14:24:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:52,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119799416] [2022-11-23 14:24:52,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:24:52,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:52,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119799416] [2022-11-23 14:24:52,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119799416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:52,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:52,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:24:52,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258062561] [2022-11-23 14:24:52,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:52,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:24:52,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:52,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:24:52,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:24:52,542 INFO L87 Difference]: Start difference. First operand 67 states and 87 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:52,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:52,646 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2022-11-23 14:24:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:24:52,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-23 14:24:52,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:52,651 INFO L225 Difference]: With dead ends: 106 [2022-11-23 14:24:52,651 INFO L226 Difference]: Without dead ends: 59 [2022-11-23 14:24:52,652 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 [2022-11-23 14:24:52,653 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:52,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 106 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:24:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-23 14:24:52,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-23 14:24:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:24:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-11-23 14:24:52,672 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 22 [2022-11-23 14:24:52,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:52,673 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-11-23 14:24:52,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-23 14:24:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 14:24:52,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:52,675 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:52,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:24:52,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:52,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:52,676 INFO L85 PathProgramCache]: Analyzing trace with hash 456387070, now seen corresponding path program 1 times [2022-11-23 14:24:52,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:52,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263105035] [2022-11-23 14:24:52,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:52,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:24:52,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:52,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263105035] [2022-11-23 14:24:52,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263105035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:52,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:52,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:24:52,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493720695] [2022-11-23 14:24:52,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:52,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:24:52,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:52,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:24:52,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:24:52,811 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:24:52,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:52,943 INFO L93 Difference]: Finished difference Result 173 states and 225 transitions. [2022-11-23 14:24:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:24:52,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-23 14:24:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:52,946 INFO L225 Difference]: With dead ends: 173 [2022-11-23 14:24:52,947 INFO L226 Difference]: Without dead ends: 116 [2022-11-23 14:24:52,948 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 [2022-11-23 14:24:52,953 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 68 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:52,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 141 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:24:52,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-23 14:24:52,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2022-11-23 14:24:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 85 states have internal predecessors, (95), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-23 14:24:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 147 transitions. [2022-11-23 14:24:52,981 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 147 transitions. Word has length 25 [2022-11-23 14:24:52,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:52,981 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 147 transitions. [2022-11-23 14:24:52,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:24:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 147 transitions. [2022-11-23 14:24:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 14:24:52,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:52,984 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 14:24:52,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:24:52,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:52,985 INFO L85 PathProgramCache]: Analyzing trace with hash -209325405, now seen corresponding path program 1 times [2022-11-23 14:24:52,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:52,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70274547] [2022-11-23 14:24:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:52,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:24:53,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:53,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70274547] [2022-11-23 14:24:53,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70274547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:53,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:53,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 14:24:53,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759167901] [2022-11-23 14:24:53,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:53,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:24:53,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:53,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:24:53,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:24:53,204 INFO L87 Difference]: Start difference. First operand 113 states and 147 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:53,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:53,467 INFO L93 Difference]: Finished difference Result 310 states and 411 transitions. [2022-11-23 14:24:53,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:24:53,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-23 14:24:53,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:53,478 INFO L225 Difference]: With dead ends: 310 [2022-11-23 14:24:53,479 INFO L226 Difference]: Without dead ends: 199 [2022-11-23 14:24:53,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:24:53,488 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 39 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:53,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 295 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:24:53,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-23 14:24:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 190. [2022-11-23 14:24:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 138 states have internal predecessors, (159), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2022-11-23 14:24:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2022-11-23 14:24:53,562 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 28 [2022-11-23 14:24:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:53,563 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2022-11-23 14:24:53,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2022-11-23 14:24:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-23 14:24:53,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:53,570 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 14:24:53,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:24:53,570 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:53,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:53,571 INFO L85 PathProgramCache]: Analyzing trace with hash 894536872, now seen corresponding path program 1 times [2022-11-23 14:24:53,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:53,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62068794] [2022-11-23 14:24:53,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:53,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:24:54,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:54,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62068794] [2022-11-23 14:24:54,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62068794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:54,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:54,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:24:54,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570764400] [2022-11-23 14:24:54,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:54,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:24:54,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:54,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:24:54,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:24:54,179 INFO L87 Difference]: Start difference. First operand 190 states and 239 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:24:54,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:54,592 INFO L93 Difference]: Finished difference Result 537 states and 681 transitions. [2022-11-23 14:24:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:24:54,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 37 [2022-11-23 14:24:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:54,602 INFO L225 Difference]: With dead ends: 537 [2022-11-23 14:24:54,603 INFO L226 Difference]: Without dead ends: 349 [2022-11-23 14:24:54,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:24:54,608 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 208 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:54,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 363 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:24:54,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-11-23 14:24:54,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 334. [2022-11-23 14:24:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 220 states have (on average 1.2818181818181817) internal successors, (282), 243 states have internal predecessors, (282), 61 states have call successors, (61), 51 states have call predecessors, (61), 52 states have return successors, (78), 56 states have call predecessors, (78), 61 states have call successors, (78) [2022-11-23 14:24:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 421 transitions. [2022-11-23 14:24:54,685 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 421 transitions. Word has length 37 [2022-11-23 14:24:54,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:54,685 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 421 transitions. [2022-11-23 14:24:54,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:24:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 421 transitions. [2022-11-23 14:24:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 14:24:54,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:54,696 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 14:24:54,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:24:54,696 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:54,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1370706086, now seen corresponding path program 1 times [2022-11-23 14:24:54,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:54,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107212407] [2022-11-23 14:24:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:24:55,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:55,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107212407] [2022-11-23 14:24:55,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107212407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:55,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:55,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:24:55,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538543240] [2022-11-23 14:24:55,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:55,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:24:55,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:55,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:24:55,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:24:55,190 INFO L87 Difference]: Start difference. First operand 334 states and 421 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 14:24:55,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:55,974 INFO L93 Difference]: Finished difference Result 842 states and 1085 transitions. [2022-11-23 14:24:55,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 14:24:55,975 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2022-11-23 14:24:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:55,982 INFO L225 Difference]: With dead ends: 842 [2022-11-23 14:24:55,982 INFO L226 Difference]: Without dead ends: 584 [2022-11-23 14:24:55,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:24:55,988 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 231 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:55,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 278 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:24:55,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-11-23 14:24:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 542. [2022-11-23 14:24:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 360 states have (on average 1.2805555555555554) internal successors, (461), 398 states have internal predecessors, (461), 98 states have call successors, (98), 74 states have call predecessors, (98), 83 states have return successors, (129), 95 states have call predecessors, (129), 98 states have call successors, (129) [2022-11-23 14:24:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 688 transitions. [2022-11-23 14:24:56,109 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 688 transitions. Word has length 40 [2022-11-23 14:24:56,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:56,111 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 688 transitions. [2022-11-23 14:24:56,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 14:24:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 688 transitions. [2022-11-23 14:24:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 14:24:56,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:56,117 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-23 14:24:56,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:24:56,117 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:56,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:56,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1785497398, now seen corresponding path program 1 times [2022-11-23 14:24:56,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:56,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834637729] [2022-11-23 14:24:56,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:56,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:56,194 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:24:56,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:56,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834637729] [2022-11-23 14:24:56,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834637729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:56,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:56,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:24:56,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336456242] [2022-11-23 14:24:56,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:56,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:24:56,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:56,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:24:56,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:24:56,197 INFO L87 Difference]: Start difference. First operand 542 states and 688 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 14:24:56,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:56,364 INFO L93 Difference]: Finished difference Result 907 states and 1150 transitions. [2022-11-23 14:24:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:24:56,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 62 [2022-11-23 14:24:56,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:56,368 INFO L225 Difference]: With dead ends: 907 [2022-11-23 14:24:56,368 INFO L226 Difference]: Without dead ends: 367 [2022-11-23 14:24:56,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:24:56,371 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 99 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:56,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 134 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:24:56,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2022-11-23 14:24:56,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 361. [2022-11-23 14:24:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 242 states have (on average 1.2603305785123966) internal successors, (305), 268 states have internal predecessors, (305), 64 states have call successors, (64), 50 states have call predecessors, (64), 54 states have return successors, (79), 62 states have call predecessors, (79), 64 states have call successors, (79) [2022-11-23 14:24:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 448 transitions. [2022-11-23 14:24:56,421 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 448 transitions. Word has length 62 [2022-11-23 14:24:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:56,422 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 448 transitions. [2022-11-23 14:24:56,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 14:24:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 448 transitions. [2022-11-23 14:24:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 14:24:56,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:56,424 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:56,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:24:56,425 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:24:56,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:56,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1401071438, now seen corresponding path program 1 times [2022-11-23 14:24:56,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:56,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797053084] [2022-11-23 14:24:56,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:56,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:56,714 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 14:24:56,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:56,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797053084] [2022-11-23 14:24:56,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797053084] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:24:56,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512957473] [2022-11-23 14:24:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:56,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:24:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:24:56,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:24:56,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:24:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:56,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 14:24:56,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:24:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:24:57,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:24:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 14:24:57,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512957473] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:24:57,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [294589141] [2022-11-23 14:24:57,404 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:24:57,404 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:24:57,409 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:24:57,415 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:24:57,416 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:25:00,579 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-23 14:25:00,591 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-23 14:25:01,085 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 43 for LOIs [2022-11-23 14:25:01,095 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2022-11-23 14:25:01,298 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2022-11-23 14:25:01,302 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:25:07,722 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7703#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 0)) (<= 0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (<= |#NULL.offset| 0) (<= |old(~switchedOnBeforeTS~0)| 0) (= |old(~pumpRunning~0)| 0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 1) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (<= 2 |old(~waterLevel~0)|) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 2 |timeShift_getWaterLevel_#res#1|) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (<= 0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 14:25:07,722 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:25:07,722 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:25:07,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 16 [2022-11-23 14:25:07,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735970529] [2022-11-23 14:25:07,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:25:07,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 14:25:07,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:25:07,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 14:25:07,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1875, Unknown=0, NotChecked=0, Total=2162 [2022-11-23 14:25:07,725 INFO L87 Difference]: Start difference. First operand 361 states and 448 transitions. Second operand has 16 states, 14 states have (on average 6.285714285714286) internal successors, (88), 15 states have internal predecessors, (88), 7 states have call successors, (19), 4 states have call predecessors, (19), 6 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-23 14:25:15,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:15,672 INFO L93 Difference]: Finished difference Result 4417 states and 5683 transitions. [2022-11-23 14:25:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-11-23 14:25:15,672 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.285714285714286) internal successors, (88), 15 states have internal predecessors, (88), 7 states have call successors, (19), 4 states have call predecessors, (19), 6 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 70 [2022-11-23 14:25:15,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:15,690 INFO L225 Difference]: With dead ends: 4417 [2022-11-23 14:25:15,690 INFO L226 Difference]: Without dead ends: 3090 [2022-11-23 14:25:15,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11583 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=2480, Invalid=26250, Unknown=0, NotChecked=0, Total=28730 [2022-11-23 14:25:15,706 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 1486 mSDsluCounter, 2691 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 1548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 5998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1548 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:15,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 3188 Invalid, 5998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1548 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-23 14:25:15,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2022-11-23 14:25:15,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 1883. [2022-11-23 14:25:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1282 states have (on average 1.2301092043681747) internal successors, (1577), 1394 states have internal predecessors, (1577), 307 states have call successors, (307), 268 states have call predecessors, (307), 293 states have return successors, (409), 300 states have call predecessors, (409), 307 states have call successors, (409) [2022-11-23 14:25:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2293 transitions. [2022-11-23 14:25:15,927 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2293 transitions. Word has length 70 [2022-11-23 14:25:15,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:15,928 INFO L495 AbstractCegarLoop]: Abstraction has 1883 states and 2293 transitions. [2022-11-23 14:25:15,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 6.285714285714286) internal successors, (88), 15 states have internal predecessors, (88), 7 states have call successors, (19), 4 states have call predecessors, (19), 6 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-23 14:25:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2293 transitions. [2022-11-23 14:25:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 14:25:15,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:15,933 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-23 14:25:15,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:16,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 14:25:16,139 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:25:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:16,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1642701670, now seen corresponding path program 1 times [2022-11-23 14:25:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:25:16,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229463112] [2022-11-23 14:25:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:25:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-23 14:25:16,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:25:16,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229463112] [2022-11-23 14:25:16,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229463112] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:25:16,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394667406] [2022-11-23 14:25:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:16,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:25:16,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:25:16,520 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:25:16,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:25:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:16,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 14:25:16,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:16,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 14:25:16,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:25:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 14:25:16,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394667406] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:25:16,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1159977777] [2022-11-23 14:25:16,881 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-23 14:25:16,881 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:25:16,882 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:25:16,882 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:25:16,883 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:25:21,246 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-23 14:25:21,258 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 34 for LOIs [2022-11-23 14:25:21,895 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-23 14:25:21,909 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 34 for LOIs [2022-11-23 14:25:22,153 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 60 for LOIs [2022-11-23 14:25:22,166 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 32 for LOIs [2022-11-23 14:25:22,168 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:25:29,760 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18053#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 0)) (= ~methaneLevelCritical~0 0) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 2147483648)) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= 0 (+ |timeShift_getWaterLevel_~retValue_acc~7#1| 2147483648)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 14:25:29,761 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:25:29,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:25:29,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 18 [2022-11-23 14:25:29,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770223724] [2022-11-23 14:25:29,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:25:29,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-23 14:25:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:25:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-23 14:25:29,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=2484, Unknown=0, NotChecked=0, Total=2862 [2022-11-23 14:25:29,764 INFO L87 Difference]: Start difference. First operand 1883 states and 2293 transitions. Second operand has 18 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 6 states have call successors, (18), 3 states have call predecessors, (18), 7 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-23 14:25:35,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:35,319 INFO L93 Difference]: Finished difference Result 4928 states and 6200 transitions. [2022-11-23 14:25:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-23 14:25:35,320 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 6 states have call successors, (18), 3 states have call predecessors, (18), 7 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) Word has length 73 [2022-11-23 14:25:35,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:35,346 INFO L225 Difference]: With dead ends: 4928 [2022-11-23 14:25:35,346 INFO L226 Difference]: Without dead ends: 3975 [2022-11-23 14:25:35,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 202 SyntacticMatches, 5 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10844 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=2243, Invalid=24817, Unknown=0, NotChecked=0, Total=27060 [2022-11-23 14:25:35,362 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 1053 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 870 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:35,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 1888 Invalid, 3664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [870 Valid, 2794 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 14:25:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2022-11-23 14:25:35,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 2911. [2022-11-23 14:25:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 1982 states have (on average 1.2285570131180625) internal successors, (2435), 2163 states have internal predecessors, (2435), 477 states have call successors, (477), 414 states have call predecessors, (477), 451 states have return successors, (681), 448 states have call predecessors, (681), 477 states have call successors, (681) [2022-11-23 14:25:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 3593 transitions. [2022-11-23 14:25:35,815 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 3593 transitions. Word has length 73 [2022-11-23 14:25:35,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:35,817 INFO L495 AbstractCegarLoop]: Abstraction has 2911 states and 3593 transitions. [2022-11-23 14:25:35,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 6 states have call successors, (18), 3 states have call predecessors, (18), 7 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-23 14:25:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 3593 transitions. [2022-11-23 14:25:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-23 14:25:35,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:35,825 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:35,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 14:25:36,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:25:36,031 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:25:36,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash 977576474, now seen corresponding path program 1 times [2022-11-23 14:25:36,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:25:36,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652655286] [2022-11-23 14:25:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:36,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:25:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 14:25:36,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:25:36,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652655286] [2022-11-23 14:25:36,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652655286] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:25:36,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671350816] [2022-11-23 14:25:36,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:36,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:25:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:25:36,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:25:36,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:25:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:36,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-23 14:25:36,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:25:36,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:25:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 54 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-23 14:25:37,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671350816] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:25:37,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [163909520] [2022-11-23 14:25:37,641 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-11-23 14:25:37,642 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:25:37,642 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:25:37,642 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:25:37,642 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:25:39,642 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-11-23 14:25:39,652 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-23 14:25:40,097 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 42 for LOIs [2022-11-23 14:25:40,104 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 29 for LOIs [2022-11-23 14:25:40,211 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 58 for LOIs [2022-11-23 14:25:40,226 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:25:46,745 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '30944#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 0)) (<= 0 |old(~pumpRunning~0)|) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 1) (<= |old(~pumpRunning~0)| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (<= 2 |old(~waterLevel~0)|) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 2 |timeShift_getWaterLevel_#res#1|) (<= ~head~0.base 0) (= |#NULL.offset| 0) (<= 0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 14:25:46,745 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:25:46,745 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:25:46,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 11] total 26 [2022-11-23 14:25:46,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633826803] [2022-11-23 14:25:46,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:25:46,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-23 14:25:46,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:25:46,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-23 14:25:46,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=3022, Unknown=0, NotChecked=0, Total=3422 [2022-11-23 14:25:46,749 INFO L87 Difference]: Start difference. First operand 2911 states and 3593 transitions. Second operand has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 14 states have call successors, (37), 6 states have call predecessors, (37), 11 states have return successors, (35), 15 states have call predecessors, (35), 13 states have call successors, (35) [2022-11-23 14:25:56,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:56,839 INFO L93 Difference]: Finished difference Result 10655 states and 13681 transitions. [2022-11-23 14:25:56,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-23 14:25:56,840 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 14 states have call successors, (37), 6 states have call predecessors, (37), 11 states have return successors, (35), 15 states have call predecessors, (35), 13 states have call successors, (35) Word has length 103 [2022-11-23 14:25:56,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:56,844 INFO L225 Difference]: With dead ends: 10655 [2022-11-23 14:25:56,844 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:25:56,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 332 SyntacticMatches, 6 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13716 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=3452, Invalid=32080, Unknown=0, NotChecked=0, Total=35532 [2022-11-23 14:25:56,878 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1858 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 5022 mSolverCounterSat, 1514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 6536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1514 IncrementalHoareTripleChecker+Valid, 5022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:56,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 1736 Invalid, 6536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1514 Valid, 5022 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 14:25:56,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:25:56,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:25:56,880 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) [2022-11-23 14:25:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:25:56,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-11-23 14:25:56,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:56,882 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:25:56,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 14 states have call successors, (37), 6 states have call predecessors, (37), 11 states have return successors, (35), 15 states have call predecessors, (35), 13 states have call successors, (35) [2022-11-23 14:25:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:25:56,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:25:56,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:25:56,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:57,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 14:25:57,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:26:10,286 WARN L233 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 421 DAG size of output: 417 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 14:26:34,660 WARN L233 SmtUtils]: Spent 12.49s on a formula simplification. DAG size of input: 618 DAG size of output: 395 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 14:26:41,009 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 540 DAG size of output: 78 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:26:53,564 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 740 DAG size of output: 67 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:27:05,118 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 633 DAG size of output: 73 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:27:23,520 WARN L233 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 867 DAG size of output: 69 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:27:36,882 WARN L233 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 656 DAG size of output: 71 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:27:47,953 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 740 DAG size of output: 67 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 14:27:54,584 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 624 631) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)))) [2022-11-23 14:27:54,584 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2022-11-23 14:27:54,584 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 540 546) no Hoare annotation was computed. [2022-11-23 14:27:54,584 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 540 546) the Hoare annotation is: true [2022-11-23 14:27:54,587 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 758 769) the Hoare annotation is: (let ((.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse3 (not .cse6)) (.cse5 (not .cse1)) (.cse8 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse4 .cse7) (or .cse5 .cse8 .cse6 .cse4 .cse7 .cse9) (or .cse8 .cse1 .cse3 .cse4 .cse7 .cse9) (or .cse5 .cse8 .cse6 .cse0 (not (<= 1 ~waterLevel~0)) (not (<= ~waterLevel~0 1))) (or .cse5 .cse6 .cse0 (not (= 2 ~waterLevel~0)) (not (= ~pumpRunning~0 1))) (or .cse8 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse8 .cse6 .cse0 .cse2 .cse4)))) [2022-11-23 14:27:54,587 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2022-11-23 14:27:54,587 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2022-11-23 14:27:54,587 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2022-11-23 14:27:54,587 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2022-11-23 14:27:54,588 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 827 856) the Hoare annotation is: true [2022-11-23 14:27:54,588 INFO L902 garLoopResultBuilder]: At program point L852(lines 827 856) the Hoare annotation is: true [2022-11-23 14:27:54,588 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2022-11-23 14:27:54,588 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2022-11-23 14:27:54,588 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2022-11-23 14:27:54,588 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2022-11-23 14:27:54,589 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse20 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse17 (not .cse6)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse22 (let ((.cse23 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse23) .cse11) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse23))))) (let ((.cse3 (and .cse7 .cse8 .cse9 .cse10 .cse22)) (.cse14 (not (= |old(~pumpRunning~0)| 1))) (.cse15 (= ~pumpRunning~0 1)) (.cse16 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (or .cse12 .cse17) (not (<= |old(~waterLevel~0)| 0)))) (.cse18 (and .cse8 .cse10 .cse11 .cse20)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse21 (not (= 0 ~systemActive~0))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse13 (not .cse0)) (.cse19 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse12 .cse1 .cse13 .cse14 .cse15) (or .cse1 .cse13 .cse14 .cse16 .cse15 (not (<= 2 |old(~waterLevel~0)|))) (or .cse17 .cse1 .cse18 .cse16) (or .cse1 .cse13 (and .cse19 .cse9 .cse10 (= ~waterLevel~0 1) .cse20) .cse2) (or .cse17 .cse5 .cse18 .cse21) (or .cse17 .cse2 .cse21) (or .cse4 .cse12 .cse1 .cse6 .cse13 (and .cse19 .cse9 .cse10 .cse22 .cse20)))))) [2022-11-23 14:27:54,589 INFO L899 garLoopResultBuilder]: For program point L956-1(line 956) no Hoare annotation was computed. [2022-11-23 14:27:54,589 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not .cse3))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (and (or .cse1 .cse6) (not (<= |old(~waterLevel~0)| 0)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse4) (or .cse6 .cse7 .cse8) (or .cse6 .cse4 .cse8) (or .cse2 (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse5))))) [2022-11-23 14:27:54,590 INFO L895 garLoopResultBuilder]: At program point L593-1(lines 574 598) the Hoare annotation is: (let ((.cse29 (< 0 |old(~waterLevel~0)|)) (.cse24 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse19 (and (not .cse29) .cse24)) (.cse20 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse29)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse26 (= ~pumpRunning~0 0)) (.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (not .cse3)) (.cse5 (not .cse26)) (.cse21 (= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse28 (= 2 ~waterLevel~0)) (.cse17 (= ~pumpRunning~0 1)) (.cse27 (= 1 ~systemActive~0)) (.cse4 (not .cse13)) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse7 (or .cse19 .cse20))) (let ((.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (not (= |old(~pumpRunning~0)| 1))) (.cse18 (and (not (= ~switchedOnBeforeTS~0 0)) .cse26 .cse27 .cse4 (<= ~waterLevel~0 2) .cse6 .cse7)) (.cse9 (and .cse28 .cse27 .cse24 .cse17)) (.cse11 (and .cse26 .cse28 .cse13 .cse27 .cse24 .cse8)) (.cse23 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse25 (and .cse5 .cse27 .cse6 .cse7 .cse21 .cse8)) (.cse12 (not (= |old(~waterLevel~0)| 2))) (.cse22 (and (or .cse1 .cse10) (not (<= |old(~waterLevel~0)| 0)))) (.cse2 (not .cse27)) (.cse14 (and .cse26 .cse24 .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse10 .cse2 .cse4 .cse11 .cse12) (or .cse10 .cse13 .cse2 .cse14 .cse15) (or .cse0 .cse1 .cse2 .cse4 .cse16 .cse17) (or .cse0 .cse13 .cse2 .cse3 .cse18 .cse15) (or .cse13 .cse2 .cse19 .cse3 .cse20 .cse15 (not (<= 2 |old(~waterLevel~0)|))) (or (and .cse21 .cse17) .cse2 .cse4 .cse16 .cse12) (or .cse10 .cse22 .cse23) (or .cse13 .cse2 .cse18 .cse12 .cse24) (or .cse9 .cse25 .cse2 .cse4 .cse11 .cse12) (or .cse10 .cse12 .cse23) (or .cse0 .cse25 .cse2 .cse3 .cse4 .cse12) (or .cse10 .cse22 .cse2 .cse14)))))) [2022-11-23 14:27:54,590 INFO L895 garLoopResultBuilder]: At program point L527-1(lines 527 533) the Hoare annotation is: (let ((.cse27 (< 0 |old(~waterLevel~0)|)) (.cse22 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse19 (and (not .cse27) .cse22)) (.cse20 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse27)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse25 (= ~pumpRunning~0 0))) (let ((.cse5 (not .cse25)) (.cse21 (= ~waterLevel~0 1)) (.cse26 (= 2 ~waterLevel~0)) (.cse17 (= ~pumpRunning~0 1)) (.cse24 (= 1 ~systemActive~0)) (.cse4 (not .cse13)) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse7 (or .cse19 .cse20)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse16 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (not .cse3)) (.cse14 (and .cse25 .cse22 .cse8)) (.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse18 (and (not (= ~switchedOnBeforeTS~0 0)) .cse25 .cse24 .cse4 (<= ~waterLevel~0 2) .cse6 .cse7)) (.cse9 (and .cse26 .cse24 .cse22 .cse17)) (.cse11 (and .cse25 .cse26 .cse13 .cse24 .cse22 .cse8)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse23 (and .cse5 .cse24 .cse6 .cse7 .cse21 .cse8)) (.cse2 (not .cse24)) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse10 .cse2 .cse4 .cse11 .cse12) (or .cse10 .cse13 .cse2 .cse14 .cse15) (or .cse0 .cse1 .cse2 .cse4 .cse16 .cse17) (or .cse0 .cse13 .cse2 .cse3 .cse18 .cse15) (or .cse13 .cse2 .cse19 .cse3 .cse20 .cse15 (not (<= 2 |old(~waterLevel~0)|))) (or (and .cse21 .cse17) .cse2 .cse4 .cse16 .cse12) (or .cse1 .cse10 .cse2 .cse14) (or .cse10 .cse14 .cse15 (not (= 0 ~systemActive~0))) (or .cse13 .cse2 .cse18 .cse12 .cse22) (or .cse9 .cse23 .cse2 .cse4 .cse11 .cse12) (or .cse0 .cse23 .cse2 .cse3 .cse4 .cse12)))))) [2022-11-23 14:27:54,591 INFO L895 garLoopResultBuilder]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse2 .cse4 .cse3) (or .cse2 .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-11-23 14:27:54,591 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| 0))) (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse16 (not (= ~switchedOnBeforeTS~0 0))) (.cse1 (not .cse10)) (.cse15 (= ~pumpRunning~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse4 (and .cse15 .cse8 .cse9)) (.cse7 (not .cse15)) (.cse2 (and (or (not (<= |old(~waterLevel~0)| 1)) .cse1) (not (<= |old(~waterLevel~0)| 0)))) (.cse13 (and .cse16 .cse15)) (.cse6 (not (= 0 ~systemActive~0))) (.cse14 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse17 (not .cse11)) (.cse18 (not (= |old(~pumpRunning~0)| 1))) (.cse12 (not (= |old(~waterLevel~0)| 2))) (.cse19 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse3 (and .cse7 .cse8 .cse9) .cse10 .cse5) (or .cse7 .cse11 .cse3 .cse10 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse3 .cse12 .cse13 .cse14) (or .cse0 .cse1 (and .cse15 .cse9) .cse3 .cse5) (or .cse1 .cse2 .cse3 (and .cse16 .cse15 .cse8) .cse14) (or .cse1 (and (or (and .cse15 (<= 2 ~waterLevel~0)) .cse13) .cse8) .cse5 .cse6 .cse14) (or .cse0 .cse3 .cse17 .cse18 .cse5 .cse19) (or .cse3 .cse12 .cse8) (or .cse3 .cse17 .cse18 .cse12 .cse19))))) [2022-11-23 14:27:54,591 INFO L895 garLoopResultBuilder]: At program point L941-1(line 941) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| 0))) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse0 (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret50#1|)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not .cse12))) (let ((.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse11 (not (= |timeShift___utac_acc__Specification5_spec__2_#t~ret50#1| 0))) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (or .cse15 .cse4) (not (<= |old(~waterLevel~0)| 0)))) (.cse14 (and .cse9 .cse0 .cse16)) (.cse1 (not (= 1 ~systemActive~0))) (.cse17 (and .cse6 (not (= |old(~pumpRunning~0)| 1)))) (.cse18 (not .cse6)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse19 (= ~pumpRunning~0 1))) (and (or (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse3 .cse1 .cse2 .cse7) (or .cse4 .cse9 .cse1 .cse2) (or .cse3 .cse10 .cse1 .cse7) (or .cse3 .cse1 .cse11 .cse12 .cse2) (or .cse3 .cse4 .cse6 .cse2 .cse7 .cse8) (or .cse4 .cse13 .cse14 .cse8) (or .cse3 .cse15 .cse1 (and .cse11 .cse0 .cse16 .cse7) .cse12) (or .cse3 .cse4 .cse10 .cse7 .cse8) (or .cse3 .cse15 .cse1 .cse17 .cse18 .cse19) (or .cse6 .cse1 .cse11 .cse12 .cse13 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse5 .cse1 .cse14) (or .cse1 .cse17 .cse18 .cse2 .cse19))))) [2022-11-23 14:27:54,591 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2022-11-23 14:27:54,593 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2022-11-23 14:27:54,593 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2022-11-23 14:27:54,594 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 968) no Hoare annotation was computed. [2022-11-23 14:27:54,594 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 971) no Hoare annotation was computed. [2022-11-23 14:27:54,594 INFO L895 garLoopResultBuilder]: At program point L954-1(lines 946 974) the Hoare annotation is: (let ((.cse20 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse18 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse8 (= ~pumpRunning~0 1)) (.cse5 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0)) (.cse23 (= 1 ~systemActive~0)) (.cse10 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse11 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse12 (let ((.cse24 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse24) .cse20) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse24))))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse19 (not (= 0 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (and (not (= ~switchedOnBeforeTS~0 0)) .cse17 .cse23 .cse10 .cse11 .cse12)) (.cse15 (not .cse5)) (.cse14 (not (<= |old(~waterLevel~0)| 2))) (.cse22 (and .cse3 .cse23 .cse11 .cse20 .cse18 .cse8)) (.cse4 (not .cse23)) (.cse6 (not .cse3)) (.cse9 (not .cse17)) (.cse21 (= ~waterLevel~0 1)) (.cse16 (not (= |old(~waterLevel~0)| 2))) (.cse13 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse4 .cse5 .cse6 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse14) (or .cse15 .cse16 (and .cse17 .cse11 .cse18 .cse13) .cse19) (or .cse1 .cse15 (and .cse17 .cse11 .cse20 .cse13) .cse19) (or (and .cse21 .cse8) .cse4 .cse6 .cse7 .cse16) (or .cse2 .cse3 .cse4 .cse5 .cse16) (or .cse15 .cse22 .cse4 (and .cse17 .cse23 .cse11 .cse20 .cse13) .cse14) (or .cse22 .cse4 .cse6 (and .cse9 .cse10 .cse11 .cse21 .cse13) .cse16 (and .cse17 .cse23 .cse20 .cse18 .cse13)))))) [2022-11-23 14:27:54,594 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 965) no Hoare annotation was computed. [2022-11-23 14:27:54,595 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 513 539) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| 0))) (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse16 (not (= ~switchedOnBeforeTS~0 0))) (.cse1 (not .cse10)) (.cse15 (= ~pumpRunning~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse4 (and .cse15 .cse8 .cse9)) (.cse7 (not .cse15)) (.cse2 (and (or (not (<= |old(~waterLevel~0)| 1)) .cse1) (not (<= |old(~waterLevel~0)| 0)))) (.cse13 (and .cse16 .cse15)) (.cse6 (not (= 0 ~systemActive~0))) (.cse14 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse17 (not .cse11)) (.cse18 (not (= |old(~pumpRunning~0)| 1))) (.cse12 (not (= |old(~waterLevel~0)| 2))) (.cse19 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse3 (and .cse7 .cse8 .cse9) .cse10 .cse5) (or .cse7 .cse11 .cse3 .cse10 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse3 .cse12 .cse13 .cse14) (or .cse0 .cse1 (and .cse15 .cse9) .cse3 .cse5) (or .cse1 .cse2 .cse3 (and .cse16 .cse15 .cse8) .cse14) (or .cse1 (and (or (and .cse15 (<= 2 ~waterLevel~0)) .cse13) .cse8) .cse5 .cse6 .cse14) (or .cse0 .cse3 .cse17 .cse18 .cse5 .cse19) (or .cse3 .cse12 .cse8) (or .cse3 .cse17 .cse18 .cse12 .cse19))))) [2022-11-23 14:27:54,595 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (and (or .cse9 .cse11) (not (<= |old(~waterLevel~0)| 0)))) (.cse12 (not (= 0 ~systemActive~0))) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse13 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 (and .cse5 .cse6 (= ~waterLevel~0 1) .cse7) .cse8) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse8 .cse4) (or .cse0 .cse9 .cse10 .cse2) (or .cse11 .cse1 .cse12) (or .cse11 .cse8 .cse12) (or .cse10 .cse2 .cse8) (or .cse0 .cse2 .cse13 (and .cse5 .cse6 (let ((.cse14 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse14) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse14))) .cse7)) (or .cse11 .cse2 .cse13)))) [2022-11-23 14:27:54,595 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2022-11-23 14:27:54,596 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-11-23 14:27:54,596 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= 0 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse2 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (< 0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse6) (or .cse8 .cse6 .cse9) (or .cse8 .cse0 (not (<= |old(~waterLevel~0)| 2))) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse7 .cse0 (and .cse1 .cse10 .cse4 (<= ~waterLevel~0 0) (or (and .cse2 .cse3) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse5)))) [2022-11-23 14:27:54,596 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (not (= ~pumpRunning~0 0))) (.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= 0 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse7 .cse8) (or .cse2 (and .cse9 (= ~waterLevel~0 1) .cse10) .cse11) (or .cse0 (and .cse9 (let ((.cse12 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse12) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12))) .cse10) .cse2 .cse6) (or .cse7 .cse11 .cse8) (or .cse7 .cse2 .cse6))) [2022-11-23 14:27:54,596 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2022-11-23 14:27:54,597 INFO L902 garLoopResultBuilder]: At program point L494(lines 431 498) the Hoare annotation is: true [2022-11-23 14:27:54,597 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2022-11-23 14:27:54,597 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2022-11-23 14:27:54,597 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2022-11-23 14:27:54,597 INFO L895 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (not .cse4)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2))) (or (and (= 2 ~waterLevel~0) (or .cse0 .cse1) .cse2 .cse3) (and .cse4 .cse2 .cse3 (= ~waterLevel~0 1) .cse1) (and .cse5 .cse6 .cse2 .cse0 .cse3) (and .cse5 .cse3 .cse7 (= 0 ~systemActive~0) .cse8) (and .cse5 .cse6 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse4 .cse6 .cse2 .cse3 .cse8) (and .cse5 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse7)))) [2022-11-23 14:27:54,598 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:27:54,598 INFO L895 garLoopResultBuilder]: At program point L491(lines 440 492) the Hoare annotation is: false [2022-11-23 14:27:54,598 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:27:54,598 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2022-11-23 14:27:54,598 INFO L895 garLoopResultBuilder]: At program point L479-2(lines 471 486) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse3 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) (and .cse3 .cse2 .cse0 .cse1))) [2022-11-23 14:27:54,598 INFO L899 garLoopResultBuilder]: For program point L442(lines 441 490) no Hoare annotation was computed. [2022-11-23 14:27:54,599 INFO L895 garLoopResultBuilder]: At program point L471(lines 471 486) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0) .cse2) (and (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse3 .cse1))) [2022-11-23 14:27:54,599 INFO L895 garLoopResultBuilder]: At program point L913(lines 913 920) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-23 14:27:54,599 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not .cse6)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and (= 2 ~waterLevel~0) (or .cse0 (= ~pumpRunning~0 1)) .cse1 .cse2) (and .cse3 (<= ~waterLevel~0 1) .cse1 .cse0 .cse2) (and .cse3 .cse2 .cse4 (= 0 ~systemActive~0) .cse5) (and .cse3 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse4) (and .cse6 .cse1 .cse2 .cse4 .cse5)))) [2022-11-23 14:27:54,599 INFO L902 garLoopResultBuilder]: At program point L913-2(lines 913 920) the Hoare annotation is: true [2022-11-23 14:27:54,599 INFO L895 garLoopResultBuilder]: At program point L488(lines 441 490) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (not .cse7)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (or .cse1 (= ~pumpRunning~0 1)) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse1 .cse3) (and .cse4 .cse3 (<= ~waterLevel~0 2) (= 0 ~systemActive~0) .cse6) (and .cse7 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse2 .cse3)))) [2022-11-23 14:27:54,600 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2022-11-23 14:27:54,600 INFO L895 garLoopResultBuilder]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 (= 1 ~systemActive~0) .cse1 .cse2))) [2022-11-23 14:27:54,600 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2022-11-23 14:27:54,600 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2022-11-23 14:27:54,600 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2022-11-23 14:27:54,601 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 746 757) the Hoare annotation is: (let ((.cse8 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= ~pumpRunning~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not .cse1)) (.cse9 (and (or (not (<= |old(~waterLevel~0)| 1)) .cse8) (not (<= |old(~waterLevel~0)| 0)))) (.cse10 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse7) (or .cse8 .cse1 .cse0 .cse9 .cse4) (or .cse5 .cse0 .cse6 .cse10 .cse7) (or .cse8 .cse5 .cse0 .cse7) (or .cse8 .cse0 .cse3 .cse4) (or .cse8 .cse10 .cse3 .cse4 .cse11) (or .cse0 .cse9 .cse6 .cse10 .cse4) (or .cse8 .cse9 .cse10 .cse4 .cse11)))) [2022-11-23 14:27:54,601 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse4 (= ~pumpRunning~0 0) .cse0 .cse2 .cse3) (or .cse4 .cse0 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0) (not (<= ~waterLevel~0 1)) .cse3)))) [2022-11-23 14:27:54,601 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2022-11-23 14:27:54,601 INFO L895 garLoopResultBuilder]: At program point L552(lines 552 569) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2022-11-23 14:27:54,602 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 2)) .cse2) (or .cse3 .cse0 (not (<= ~waterLevel~0 1)) .cse2) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2)))) [2022-11-23 14:27:54,602 INFO L895 garLoopResultBuilder]: At program point L612-1(line 612) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse4 .cse0 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse0 .cse2 (and (= |processEnvironment__wrappee__methaneQuery_activatePump_#t~ret33#1| ~methaneLevelCritical~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3)))) [2022-11-23 14:27:54,602 INFO L895 garLoopResultBuilder]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2))) [2022-11-23 14:27:54,602 INFO L899 garLoopResultBuilder]: For program point L567-1(lines 548 572) no Hoare annotation was computed. [2022-11-23 14:27:54,602 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 548 572) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2022-11-23 14:27:54,603 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 548 572) no Hoare annotation was computed. [2022-11-23 14:27:54,603 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2022-11-23 14:27:54,603 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 643 651) the Hoare annotation is: true [2022-11-23 14:27:54,603 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 632 642) the Hoare annotation is: true [2022-11-23 14:27:54,603 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2022-11-23 14:27:54,607 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:27:54,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:27:54,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:27:54 BoogieIcfgContainer [2022-11-23 14:27:54,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:27:54,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:27:54,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:27:54,691 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:27:54,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:51" (3/4) ... [2022-11-23 14:27:54,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:27:54,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-23 14:27:54,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 14:27:54,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 14:27:54,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 14:27:54,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 14:27:54,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 14:27:54,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-23 14:27:54,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-23 14:27:54,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-23 14:27:54,711 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-23 14:27:54,715 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 14:27:54,716 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 14:27:54,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:27:54,717 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:27:54,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((2 == waterLevel && pumpRunning == aux-isPumpRunning()-aux) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || methaneLevelCritical == 0) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(aux-isPumpRunning()-aux == 0)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || (((!(aux-isPumpRunning()-aux == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || \old(pumpRunning) == 0)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(aux-isPumpRunning()-aux == 0)) || \old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || pumpRunning == 1) [2022-11-23 14:27:54,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || \old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) [2022-11-23 14:27:54,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((pumpRunning == 0 && tmp == waterLevel) && tmp == 2) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || (((((methaneLevelCritical == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == 1)) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((((((((methaneLevelCritical == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((pumpRunning == 0 && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == switchedOnBeforeTS)) [2022-11-23 14:27:54,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-23 14:27:54,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || \old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(0 == systemActive))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) [2022-11-23 14:27:54,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-23 14:27:54,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (aux-isMethaneAlarm()-aux == methaneLevelCritical && pumpRunning == switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-23 14:27:54,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:27:54,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:27:54,804 INFO L158 Benchmark]: Toolchain (without parser) took 184602.53ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 149.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 411.8MB. Max. memory is 16.1GB. [2022-11-23 14:27:54,804 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 99.0MB in the beginning and 98.9MB in the end (delta: 87.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:27:54,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.11ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 130.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 14:27:54,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.67ms. Allocated memory is still 178.3MB. Free memory was 130.5MB in the beginning and 128.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:27:54,806 INFO L158 Benchmark]: Boogie Preprocessor took 55.32ms. Allocated memory is still 178.3MB. Free memory was 128.1MB in the beginning and 126.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:27:54,806 INFO L158 Benchmark]: RCFGBuilder took 799.34ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 100.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 14:27:54,807 INFO L158 Benchmark]: TraceAbstraction took 182860.69ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 100.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-23 14:27:54,807 INFO L158 Benchmark]: Witness Printer took 128.11ms. Allocated memory is still 1.9GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 14:27:54,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 99.0MB in the beginning and 98.9MB in the end (delta: 87.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.11ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 130.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.67ms. Allocated memory is still 178.3MB. Free memory was 130.5MB in the beginning and 128.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.32ms. Allocated memory is still 178.3MB. Free memory was 128.1MB in the beginning and 126.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 799.34ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 100.9MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 182860.69ms. Allocated memory was 178.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 100.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 128.11ms. Allocated memory is still 1.9GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 5.3MB). 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: 420]: 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, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 182.7s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 117.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5096 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5056 mSDsluCounter, 8204 SdHoareTripleChecker+Invalid, 9.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6652 mSDsCounter, 4120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13196 IncrementalHoareTripleChecker+Invalid, 17316 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4120 mSolverCounterUnsat, 1552 mSDtfsCounter, 13196 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1332 GetRequests, 769 SyntacticMatches, 12 SemanticMatches, 551 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36181 ImplicationChecksByTransitivity, 32.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2911occurred in iteration=9, InterpolantAutomatonStates: 428, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 2346 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 10391 PreInvPairs, 13423 NumberOfFragments, 4584 HoareAnnotationTreeSize, 10391 FomulaSimplifications, 255292 FormulaSimplificationTreeSizeReduction, 38.6s HoareSimplificationTime, 41 FomulaSimplificationsInter, 637488 FormulaSimplificationTreeSizeReductionInter, 78.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 957 ConstructedInterpolants, 0 QuantifiedInterpolants, 2602 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1121 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 393/474 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: 913]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: ((((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || \old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(0 == systemActive))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (((((((((((((((2 == waterLevel && pumpRunning == aux-isPumpRunning()-aux) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || methaneLevelCritical == 0) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(aux-isPumpRunning()-aux == 0)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || (((!(aux-isPumpRunning()-aux == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || \old(pumpRunning) == 0)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(aux-isPumpRunning()-aux == 0)) || \old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || pumpRunning == 1) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((pumpRunning == 0 && tmp == waterLevel) && tmp == 2) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || (((((methaneLevelCritical == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == 1)) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((((((((methaneLevelCritical == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((pumpRunning == 0 && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (aux-isMethaneAlarm()-aux == methaneLevelCritical && pumpRunning == switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS) || ((2 == waterLevel && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS) || ((((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || \old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel)) && ((((((((2 == waterLevel && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS)) || ((((methaneLevelCritical == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1)) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) RESULT: Ultimate proved your program to be correct! [2022-11-23 14:27:54,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3f49921-76fb-4d3a-8135-f8208dcadcc0/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE