./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur --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 e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a --- 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-38b53e6 [2022-11-26 01:07:34,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:07:34,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:07:34,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:07:34,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:07:34,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:07:34,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:07:34,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:07:34,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:07:34,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:07:34,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:07:34,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:07:34,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:07:34,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:07:34,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:07:34,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:07:34,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:07:34,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:07:34,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:07:34,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:07:34,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:07:34,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:07:34,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:07:34,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:07:34,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:07:34,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:07:34,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:07:34,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:07:34,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:07:34,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:07:34,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:07:34,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:07:34,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:07:34,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:07:34,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:07:34,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:07:34,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:07:34,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:07:34,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:07:34,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:07:34,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:07:34,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 01:07:34,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:07:34,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:07:34,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:07:34,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:07:34,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:07:34,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:07:34,999 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:07:35,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:07:35,000 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:07:35,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:07:35,001 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:07:35,001 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:07:35,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:07:35,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:07:35,002 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:07:35,002 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:07:35,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:07:35,002 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:07:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:07:35,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:07:35,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:07:35,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:07:35,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:07:35,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:07:35,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:07:35,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:07:35,005 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:07:35,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:07:35,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:07:35,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:07:35,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:07:35,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:07:35,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:07:35,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:07:35,007 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:07:35,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:07:35,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:07:35,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:07:35,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:07:35,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:07:35,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:07:35,008 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_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a [2022-11-26 01:07:35,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:07:35,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:07:35,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:07:35,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:07:35,261 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:07:35,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2022-11-26 01:07:38,363 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:07:38,675 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:07:38,675 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2022-11-26 01:07:38,699 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/data/33b3651e8/e27797ab3f4d461bacd84e2055b4aa8a/FLAG3d00a2569 [2022-11-26 01:07:38,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/data/33b3651e8/e27797ab3f4d461bacd84e2055b4aa8a [2022-11-26 01:07:38,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:07:38,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:07:38,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:07:38,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:07:38,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:07:38,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:07:38" (1/1) ... [2022-11-26 01:07:38,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df9c094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:38, skipping insertion in model container [2022-11-26 01:07:38,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:07:38" (1/1) ... [2022-11-26 01:07:38,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:07:38,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:07:39,064 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_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[20217,20230] [2022-11-26 01:07:39,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:07:39,110 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:07:39,227 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_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[20217,20230] [2022-11-26 01:07:39,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:07:39,249 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:07:39,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39 WrapperNode [2022-11-26 01:07:39,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:07:39,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:07:39,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:07:39,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:07:39,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,304 INFO L138 Inliner]: procedures = 63, calls = 121, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 274 [2022-11-26 01:07:39,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:07:39,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:07:39,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:07:39,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:07:39,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,333 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:07:39,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:07:39,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:07:39,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:07:39,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (1/1) ... [2022-11-26 01:07:39,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:07:39,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:39,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:07:39,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:07:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:07:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2022-11-26 01:07:39,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2022-11-26 01:07:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-26 01:07:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-26 01:07:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-26 01:07:39,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-26 01:07:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-26 01:07:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-26 01:07:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2022-11-26 01:07:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2022-11-26 01:07:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-26 01:07:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-26 01:07:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2022-11-26 01:07:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2022-11-26 01:07:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2022-11-26 01:07:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2022-11-26 01:07:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-26 01:07:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-26 01:07:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-26 01:07:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-26 01:07:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:07:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2022-11-26 01:07:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2022-11-26 01:07:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-26 01:07:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-26 01:07:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:07:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:07:39,519 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:07:39,521 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:07:39,943 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:07:40,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:07:40,032 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 01:07:40,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:40 BoogieIcfgContainer [2022-11-26 01:07:40,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:07:40,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:07:40,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:07:40,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:07:40,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:07:38" (1/3) ... [2022-11-26 01:07:40,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63542bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:40, skipping insertion in model container [2022-11-26 01:07:40,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:39" (2/3) ... [2022-11-26 01:07:40,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63542bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:40, skipping insertion in model container [2022-11-26 01:07:40,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:40" (3/3) ... [2022-11-26 01:07:40,044 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2022-11-26 01:07:40,065 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:07:40,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:07:40,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:07:40,129 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;@17af328b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:07:40,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:07:40,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 65 states have (on average 1.4) internal successors, (91), 81 states have internal predecessors, (91), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-26 01:07:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-26 01:07:40,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:40,147 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:40,148 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:40,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:40,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1333584945, now seen corresponding path program 1 times [2022-11-26 01:07:40,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:40,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006017262] [2022-11-26 01:07:40,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:40,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:40,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:40,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:40,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006017262] [2022-11-26 01:07:40,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006017262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:40,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:40,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:07:40,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781075404] [2022-11-26 01:07:40,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:40,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:07:40,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:40,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:07:40,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:07:40,544 INFO L87 Difference]: Start difference. First operand has 109 states, 65 states have (on average 1.4) internal successors, (91), 81 states have internal predecessors, (91), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-26 01:07:40,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:40,662 INFO L93 Difference]: Finished difference Result 202 states and 284 transitions. [2022-11-26 01:07:40,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:07:40,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-11-26 01:07:40,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:40,676 INFO L225 Difference]: With dead ends: 202 [2022-11-26 01:07:40,676 INFO L226 Difference]: Without dead ends: 104 [2022-11-26 01:07:40,680 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 [2022-11-26 01:07:40,684 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:40,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:40,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-26 01:07:40,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-26 01:07:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 77 states have internal predecessors, (83), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2022-11-26 01:07:40,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 142 transitions. [2022-11-26 01:07:40,744 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 142 transitions. Word has length 40 [2022-11-26 01:07:40,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:40,746 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 142 transitions. [2022-11-26 01:07:40,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-26 01:07:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2022-11-26 01:07:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-26 01:07:40,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:40,756 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:40,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:07:40,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:40,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1103529321, now seen corresponding path program 1 times [2022-11-26 01:07:40,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:40,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186915261] [2022-11-26 01:07:40,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:40,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:40,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:40,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186915261] [2022-11-26 01:07:40,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186915261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:40,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:40,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:07:40,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309011519] [2022-11-26 01:07:40,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:40,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:07:40,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:40,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:07:40,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:40,996 INFO L87 Difference]: Start difference. First operand 104 states and 142 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-26 01:07:41,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:41,065 INFO L93 Difference]: Finished difference Result 165 states and 225 transitions. [2022-11-26 01:07:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:07:41,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2022-11-26 01:07:41,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:41,068 INFO L225 Difference]: With dead ends: 165 [2022-11-26 01:07:41,068 INFO L226 Difference]: Without dead ends: 96 [2022-11-26 01:07:41,069 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 [2022-11-26 01:07:41,071 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 16 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:41,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 208 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:07:41,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-26 01:07:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-26 01:07:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 72 states have internal predecessors, (77), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (27), 22 states have call predecessors, (27), 27 states have call successors, (27) [2022-11-26 01:07:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 131 transitions. [2022-11-26 01:07:41,095 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 131 transitions. Word has length 41 [2022-11-26 01:07:41,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:41,095 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 131 transitions. [2022-11-26 01:07:41,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-26 01:07:41,096 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 131 transitions. [2022-11-26 01:07:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 01:07:41,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:41,098 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:41,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:07:41,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:41,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:41,099 INFO L85 PathProgramCache]: Analyzing trace with hash 164199639, now seen corresponding path program 1 times [2022-11-26 01:07:41,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:41,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447604256] [2022-11-26 01:07:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:41,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:41,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447604256] [2022-11-26 01:07:41,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447604256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:41,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:41,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:07:41,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593255818] [2022-11-26 01:07:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:41,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:07:41,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:41,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:07:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:07:41,388 INFO L87 Difference]: Start difference. First operand 96 states and 131 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-26 01:07:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:41,707 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2022-11-26 01:07:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 01:07:41,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 44 [2022-11-26 01:07:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:41,716 INFO L225 Difference]: With dead ends: 254 [2022-11-26 01:07:41,716 INFO L226 Difference]: Without dead ends: 174 [2022-11-26 01:07:41,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:07:41,727 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 100 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:41,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 564 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:07:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-11-26 01:07:41,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 170. [2022-11-26 01:07:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 130 states have internal predecessors, (140), 47 states have call successors, (47), 20 states have call predecessors, (47), 20 states have return successors, (47), 37 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-26 01:07:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 234 transitions. [2022-11-26 01:07:41,779 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 234 transitions. Word has length 44 [2022-11-26 01:07:41,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:41,780 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 234 transitions. [2022-11-26 01:07:41,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-26 01:07:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 234 transitions. [2022-11-26 01:07:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-26 01:07:41,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:41,783 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:41,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 01:07:41,783 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:41,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:41,784 INFO L85 PathProgramCache]: Analyzing trace with hash -50184773, now seen corresponding path program 1 times [2022-11-26 01:07:41,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:41,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532882363] [2022-11-26 01:07:41,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:41,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:42,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:42,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532882363] [2022-11-26 01:07:42,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532882363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:42,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:42,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:07:42,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37646186] [2022-11-26 01:07:42,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:42,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:07:42,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:42,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:07:42,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:42,064 INFO L87 Difference]: Start difference. First operand 170 states and 234 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-26 01:07:42,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:42,437 INFO L93 Difference]: Finished difference Result 540 states and 743 transitions. [2022-11-26 01:07:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:42,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 47 [2022-11-26 01:07:42,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:42,447 INFO L225 Difference]: With dead ends: 540 [2022-11-26 01:07:42,447 INFO L226 Difference]: Without dead ends: 386 [2022-11-26 01:07:42,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:07:42,458 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 276 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:42,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 307 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:07:42,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-11-26 01:07:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 378. [2022-11-26 01:07:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 232 states have (on average 1.3793103448275863) internal successors, (320), 292 states have internal predecessors, (320), 97 states have call successors, (97), 48 states have call predecessors, (97), 48 states have return successors, (99), 73 states have call predecessors, (99), 97 states have call successors, (99) [2022-11-26 01:07:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 516 transitions. [2022-11-26 01:07:42,524 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 516 transitions. Word has length 47 [2022-11-26 01:07:42,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:42,525 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 516 transitions. [2022-11-26 01:07:42,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-26 01:07:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 516 transitions. [2022-11-26 01:07:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-26 01:07:42,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:42,529 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:42,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:07:42,529 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:42,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:42,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1248088748, now seen corresponding path program 1 times [2022-11-26 01:07:42,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:42,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537896324] [2022-11-26 01:07:42,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:42,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:42,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537896324] [2022-11-26 01:07:42,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537896324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:42,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:42,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:07:42,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125222312] [2022-11-26 01:07:42,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:42,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:07:42,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:07:42,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:07:42,659 INFO L87 Difference]: Start difference. First operand 378 states and 516 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-26 01:07:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:42,797 INFO L93 Difference]: Finished difference Result 948 states and 1353 transitions. [2022-11-26 01:07:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:07:42,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 51 [2022-11-26 01:07:42,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:42,802 INFO L225 Difference]: With dead ends: 948 [2022-11-26 01:07:42,803 INFO L226 Difference]: Without dead ends: 586 [2022-11-26 01:07:42,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:07:42,805 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 81 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:42,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 326 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:07:42,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2022-11-26 01:07:42,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 572. [2022-11-26 01:07:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 370 states have (on average 1.3216216216216217) internal successors, (489), 434 states have internal predecessors, (489), 125 states have call successors, (125), 76 states have call predecessors, (125), 76 states have return successors, (169), 115 states have call predecessors, (169), 125 states have call successors, (169) [2022-11-26 01:07:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 783 transitions. [2022-11-26 01:07:42,907 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 783 transitions. Word has length 51 [2022-11-26 01:07:42,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:42,909 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 783 transitions. [2022-11-26 01:07:42,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-26 01:07:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 783 transitions. [2022-11-26 01:07:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 01:07:42,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:42,915 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:42,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 01:07:42,915 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:42,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:42,916 INFO L85 PathProgramCache]: Analyzing trace with hash -255713327, now seen corresponding path program 1 times [2022-11-26 01:07:42,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:42,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271066737] [2022-11-26 01:07:42,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:42,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-26 01:07:43,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:43,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271066737] [2022-11-26 01:07:43,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271066737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:43,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:43,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 01:07:43,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650764210] [2022-11-26 01:07:43,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:43,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:07:43,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:43,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:07:43,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:07:43,323 INFO L87 Difference]: Start difference. First operand 572 states and 783 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 4 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-26 01:07:43,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:43,864 INFO L93 Difference]: Finished difference Result 1666 states and 2329 transitions. [2022-11-26 01:07:43,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:07:43,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 4 states have call predecessors, (11), 6 states have call successors, (11) Word has length 65 [2022-11-26 01:07:43,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:43,873 INFO L225 Difference]: With dead ends: 1666 [2022-11-26 01:07:43,873 INFO L226 Difference]: Without dead ends: 1110 [2022-11-26 01:07:43,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:07:43,877 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 152 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:43,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 715 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:07:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-11-26 01:07:44,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 984. [2022-11-26 01:07:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 660 states have (on average 1.290909090909091) internal successors, (852), 743 states have internal predecessors, (852), 180 states have call successors, (180), 119 states have call predecessors, (180), 143 states have return successors, (286), 200 states have call predecessors, (286), 180 states have call successors, (286) [2022-11-26 01:07:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1318 transitions. [2022-11-26 01:07:44,021 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1318 transitions. Word has length 65 [2022-11-26 01:07:44,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:44,023 INFO L495 AbstractCegarLoop]: Abstraction has 984 states and 1318 transitions. [2022-11-26 01:07:44,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 4 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-26 01:07:44,024 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1318 transitions. [2022-11-26 01:07:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-26 01:07:44,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:44,027 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:44,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 01:07:44,028 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:44,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2126676097, now seen corresponding path program 1 times [2022-11-26 01:07:44,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:44,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477413151] [2022-11-26 01:07:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:44,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:07:44,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:07:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:07:44,141 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 01:07:44,141 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:07:44,142 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 01:07:44,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 01:07:44,148 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:44,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:07:44,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:07:44 BoogieIcfgContainer [2022-11-26 01:07:44,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:07:44,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:07:44,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:07:44,248 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:07:44,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:40" (3/4) ... [2022-11-26 01:07:44,250 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-26 01:07:44,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:07:44,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:07:44,333 INFO L158 Benchmark]: Toolchain (without parser) took 5614.60ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 146.7MB in the beginning and 175.7MB in the end (delta: -28.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-26 01:07:44,333 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:07:44,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.58ms. Allocated memory is still 180.4MB. Free memory was 146.7MB in the beginning and 126.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 01:07:44,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.36ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 123.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:07:44,334 INFO L158 Benchmark]: Boogie Preprocessor took 32.74ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:07:44,335 INFO L158 Benchmark]: RCFGBuilder took 696.67ms. Allocated memory is still 180.4MB. Free memory was 121.8MB in the beginning and 93.3MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 01:07:44,335 INFO L158 Benchmark]: TraceAbstraction took 4209.89ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 92.4MB in the beginning and 183.0MB in the end (delta: -90.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2022-11-26 01:07:44,335 INFO L158 Benchmark]: Witness Printer took 85.15ms. Allocated memory is still 222.3MB. Free memory was 183.0MB in the beginning and 175.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-26 01:07:44,337 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 130.0MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.58ms. Allocated memory is still 180.4MB. Free memory was 146.7MB in the beginning and 126.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.36ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 123.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.74ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.67ms. Allocated memory is still 180.4MB. Free memory was 121.8MB in the beginning and 93.3MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4209.89ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 92.4MB in the beginning and 183.0MB in the end (delta: -90.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Witness Printer took 85.15ms. Allocated memory is still 222.3MB. Free memory was 183.0MB in the beginning and 175.7MB in the end (delta: 7.3MB). 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 - CounterExampleResult [Line: 1031]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int waterLevel = 1; [L925] int methaneLevelCritical = 0; [L1036] int cleanupTimeShifts = 4; [L1109] int retValue_acc ; [L1110] int tmp ; [L1114] CALL select_helpers() [L882] __GUIDSL_ROOT_PRODUCTION = 1 [L1114] RET select_helpers() [L1115] CALL select_features() [L867] __SELECTED_FEATURE_base = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L868] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=16, systemActive=1, waterLevel=1] [L868] __SELECTED_FEATURE_highWaterSensor = select_one() [L869] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L869] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L869] __SELECTED_FEATURE_lowWaterSensor = select_one() [L870] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L870] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L870] __SELECTED_FEATURE_methaneQuery = select_one() [L871] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L871] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L871] __SELECTED_FEATURE_methaneAlarm = select_one() [L872] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L872] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L872] __SELECTED_FEATURE_stopCommand = select_one() [L873] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L873] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=17, systemActive=1, waterLevel=1] [L873] __SELECTED_FEATURE_startCommand = select_one() [L1115] RET select_features() [L1116] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = __SELECTED_FEATURE_base [L891] return (retValue_acc); [L1116] RET, EXPR valid_product() [L1116] tmp = valid_product() [L1118] COND TRUE \read(tmp) [L1120] FCALL setup() [L1121] CALL runTest() [L1103] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L74] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L86] CALL waterRise() VAL [\old(waterLevel)=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L942] COND TRUE waterLevel < 2 [L943] waterLevel = waterLevel + 1 [L86] RET waterRise() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L96] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L954] COND FALSE !(\read(methaneLevelCritical)) [L957] methaneLevelCritical = 1 [L96] RET changeMethaneLevel() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L105] COND TRUE \read(__SELECTED_FEATURE_startCommand) [L107] CALL startSystem() [L477] systemActive = 1 [L107] RET startSystem() [L129] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L158] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND TRUE \read(systemActive) [L167] CALL processEnvironment() [L301] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L308] CALL processEnvironment__before__methaneAlarm() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L258] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L265] CALL processEnvironment__before__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L215] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L217] CALL processEnvironment__role__highWaterSensor() [L187] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L190] COND TRUE ! pumpRunning [L192] CALL, EXPR isHighWaterLevel() [L421] int retValue_acc ; [L422] int tmp ; [L423] int tmp___0 ; [L427] CALL, EXPR isHighWaterSensorDry() [L1004] int retValue_acc ; [L1007] COND FALSE !(waterLevel < 2) [L1011] retValue_acc = 0 [L1012] return (retValue_acc); [L427] RET, EXPR isHighWaterSensorDry() [L427] tmp = isHighWaterSensorDry() [L429] COND FALSE !(\read(tmp)) [L432] tmp___0 = 1 [L434] retValue_acc = tmp___0 [L435] return (retValue_acc); [L192] RET, EXPR isHighWaterLevel() [L192] tmp = isHighWaterLevel() [L194] COND TRUE \read(tmp) [L196] CALL activatePump() [L343] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L350] CALL activatePump__before__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L318] pumpRunning = 1 [L350] RET activatePump__before__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L196] RET activatePump() [L217] RET processEnvironment__role__highWaterSensor() [L265] RET processEnvironment__before__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L308] RET processEnvironment__before__methaneAlarm() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L167] RET processEnvironment() [L173] CALL __utac_acc__Specification1_spec__1() [L898] int tmp ; [L899] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L903] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L963] int retValue_acc ; [L966] retValue_acc = methaneLevelCritical [L967] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L903] tmp = isMethaneLevelCritical() [L905] COND TRUE \read(tmp) [L907] CALL, EXPR isPumpRunning() [L376] int retValue_acc ; [L379] retValue_acc = pumpRunning [L380] return (retValue_acc); [L907] RET, EXPR isPumpRunning() [L907] tmp___0 = isPumpRunning() [L909] COND TRUE \read(tmp___0) [L911] CALL __automaton_fail() [L1031] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=16, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=17, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 633 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 2247 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1447 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 872 IncrementalHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 800 mSDtfsCounter, 872 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=984occurred in iteration=6, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 152 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 180/180 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-26 01:07:44,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee92c8a-acf3-4ca2-b280-2cb0207f64d1/bin/utaipan-ByfvJB40ur/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE