./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:43:28,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:43:28,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:43:28,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:43:28,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:43:28,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:43:28,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:43:28,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:43:28,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:43:28,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:43:28,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:43:28,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:43:28,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:43:28,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:43:28,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:43:28,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:43:28,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:43:28,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:43:28,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:43:28,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:43:28,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:43:29,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:43:29,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:43:29,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:43:29,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:43:29,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:43:29,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:43:29,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:43:29,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:43:29,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:43:29,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:43:29,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:43:29,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:43:29,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:43:29,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:43:29,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:43:29,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:43:29,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:43:29,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:43:29,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:43:29,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:43:29,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:43:29,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:43:29,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:43:29,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:43:29,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:43:29,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:43:29,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:43:29,046 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:43:29,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:43:29,046 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:43:29,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:43:29,047 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:43:29,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:43:29,047 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:43:29,048 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:43:29,048 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:43:29,048 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:43:29,049 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:43:29,049 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:43:29,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:43:29,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:43:29,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:43:29,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:43:29,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:43:29,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:43:29,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:43:29,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:43:29,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:43:29,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:43:29,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:43:29,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:43:29,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:43:29,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:43:29,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:43:29,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:43:29,054 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:43:29,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:43:29,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:43:29,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:43:29,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:43:29,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:43:29,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:43:29,055 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_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 [2022-11-23 13:43:29,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:43:29,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:43:29,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:43:29,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:43:29,386 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:43:29,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2022-11-23 13:43:32,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:43:32,672 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:43:32,673 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2022-11-23 13:43:32,687 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/data/692f76c6d/f22921b738c84005845f76187471a5c6/FLAGd9a754cfb [2022-11-23 13:43:32,705 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/data/692f76c6d/f22921b738c84005845f76187471a5c6 [2022-11-23 13:43:32,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:43:32,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:43:32,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:43:32,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:43:32,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:43:32,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:32" (1/1) ... [2022-11-23 13:43:32,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389ee460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:32, skipping insertion in model container [2022-11-23 13:43:32,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:32" (1/1) ... [2022-11-23 13:43:32,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:43:32,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:43:33,058 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_161fe648-6ae9-433c-be86-e3c0a7322671/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2022-11-23 13:43:33,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:43:33,097 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:43:33,202 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_161fe648-6ae9-433c-be86-e3c0a7322671/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2022-11-23 13:43:33,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:43:33,227 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:43:33,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33 WrapperNode [2022-11-23 13:43:33,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:43:33,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:43:33,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:43:33,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:43:33,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,285 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 156 [2022-11-23 13:43:33,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:43:33,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:43:33,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:43:33,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:43:33,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:43:33,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:43:33,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:43:33,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:43:33,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (1/1) ... [2022-11-23 13:43:33,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:43:33,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:43:33,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:43:33,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:43:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:43:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 13:43:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 13:43:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-23 13:43:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-23 13:43:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 13:43:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 13:43:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 13:43:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 13:43:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 13:43:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 13:43:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:43:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 13:43:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 13:43:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:43:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:43:33,545 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:43:33,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:43:33,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:43:33,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:43:33,983 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 13:43:33,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:33 BoogieIcfgContainer [2022-11-23 13:43:33,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:43:33,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:43:33,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:43:33,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:43:33,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:43:32" (1/3) ... [2022-11-23 13:43:33,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6a3a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:33, skipping insertion in model container [2022-11-23 13:43:33,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33" (2/3) ... [2022-11-23 13:43:33,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6a3a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:43:33, skipping insertion in model container [2022-11-23 13:43:33,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:33" (3/3) ... [2022-11-23 13:43:33,995 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2022-11-23 13:43:34,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:43:34,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:43:34,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:43:34,089 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;@49356dd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:43:34,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:43:34,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 13:43:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 13:43:34,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:34,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:34,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:34,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:34,119 INFO L85 PathProgramCache]: Analyzing trace with hash -948450621, now seen corresponding path program 1 times [2022-11-23 13:43:34,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:34,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468184318] [2022-11-23 13:43:34,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:34,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:34,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:34,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468184318] [2022-11-23 13:43:34,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468184318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:34,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:34,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:43:34,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482450205] [2022-11-23 13:43:34,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:34,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:43:34,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:34,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:43:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:43:34,413 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:34,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:34,519 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2022-11-23 13:43:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:43:34,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 13:43:34,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:34,532 INFO L225 Difference]: With dead ends: 100 [2022-11-23 13:43:34,532 INFO L226 Difference]: Without dead ends: 46 [2022-11-23 13:43:34,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:43:34,538 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:34,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:43:34,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-23 13:43:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-23 13:43:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-23 13:43:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-11-23 13:43:34,575 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 17 [2022-11-23 13:43:34,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:34,576 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-11-23 13:43:34,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-23 13:43:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 13:43:34,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:34,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:34,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:43:34,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:34,580 INFO L85 PathProgramCache]: Analyzing trace with hash -902300032, now seen corresponding path program 1 times [2022-11-23 13:43:34,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:34,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248696231] [2022-11-23 13:43:34,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:34,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:34,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:34,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248696231] [2022-11-23 13:43:34,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248696231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:34,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:34,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:43:34,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225466825] [2022-11-23 13:43:34,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:34,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:43:34,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:34,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:43:34,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:34,714 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:34,754 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2022-11-23 13:43:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:43:34,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-23 13:43:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:34,756 INFO L225 Difference]: With dead ends: 69 [2022-11-23 13:43:34,757 INFO L226 Difference]: Without dead ends: 38 [2022-11-23 13:43:34,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:43:34,759 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:34,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 61 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:34,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-23 13:43:34,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-23 13:43:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 13:43:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-11-23 13:43:34,772 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 18 [2022-11-23 13:43:34,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:34,773 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-23 13:43:34,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:34,773 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-11-23 13:43:34,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 13:43:34,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:34,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:34,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:43:34,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:34,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1493563881, now seen corresponding path program 1 times [2022-11-23 13:43:34,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:34,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886798745] [2022-11-23 13:43:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:34,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:35,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:35,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886798745] [2022-11-23 13:43:35,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886798745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:35,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:35,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:43:35,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513130533] [2022-11-23 13:43:35,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:35,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:43:35,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:35,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:43:35,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:43:35,182 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:35,279 INFO L93 Difference]: Finished difference Result 74 states and 93 transitions. [2022-11-23 13:43:35,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:43:35,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-23 13:43:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:35,280 INFO L225 Difference]: With dead ends: 74 [2022-11-23 13:43:35,281 INFO L226 Difference]: Without dead ends: 38 [2022-11-23 13:43:35,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:43:35,282 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 37 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:35,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 43 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:43:35,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-23 13:43:35,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-23 13:43:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 13:43:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-23 13:43:35,291 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 20 [2022-11-23 13:43:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:35,291 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-23 13:43:35,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:43:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-23 13:43:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 13:43:35,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:35,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:35,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:43:35,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:35,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:35,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1217801810, now seen corresponding path program 1 times [2022-11-23 13:43:35,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:35,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609428176] [2022-11-23 13:43:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:35,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:35,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609428176] [2022-11-23 13:43:35,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609428176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:35,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:35,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:43:35,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400347715] [2022-11-23 13:43:35,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:35,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:43:35,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:35,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:43:35,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:43:35,411 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:43:35,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:35,576 INFO L93 Difference]: Finished difference Result 107 states and 132 transitions. [2022-11-23 13:43:35,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 13:43:35,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-23 13:43:35,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:35,581 INFO L225 Difference]: With dead ends: 107 [2022-11-23 13:43:35,582 INFO L226 Difference]: Without dead ends: 71 [2022-11-23 13:43:35,586 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 [2022-11-23 13:43:35,595 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 23 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:35,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 170 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:43:35,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-23 13:43:35,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2022-11-23 13:43:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.25) internal successors, (55), 52 states have internal predecessors, (55), 13 states have call successors, (13), 9 states have call predecessors, (13), 9 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 13:43:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 81 transitions. [2022-11-23 13:43:35,622 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 81 transitions. Word has length 25 [2022-11-23 13:43:35,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:35,623 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 81 transitions. [2022-11-23 13:43:35,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:43:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2022-11-23 13:43:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 13:43:35,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:43:35,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:43:35,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:43:35,630 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:43:35,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:43:35,632 INFO L85 PathProgramCache]: Analyzing trace with hash -668337482, now seen corresponding path program 1 times [2022-11-23 13:43:35,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:43:35,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033117341] [2022-11-23 13:43:35,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:43:35,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:43:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:43:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:43:35,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:43:35,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033117341] [2022-11-23 13:43:35,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033117341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:43:35,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:43:35,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:43:35,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477737358] [2022-11-23 13:43:35,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:43:35,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:43:35,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:43:35,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:43:35,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:43:35,744 INFO L87 Difference]: Start difference. First operand 67 states and 81 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 13:43:35,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:43:35,808 INFO L93 Difference]: Finished difference Result 123 states and 147 transitions. [2022-11-23 13:43:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:43:35,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-11-23 13:43:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:43:35,812 INFO L225 Difference]: With dead ends: 123 [2022-11-23 13:43:35,812 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:43:35,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:43:35,821 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 29 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:43:35,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 45 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:43:35,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:43:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:43:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:43:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:43:35,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-23 13:43:35,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:43:35,824 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:43:35,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 13:43:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:43:35,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:43:35,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 13:43:35,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:43:35,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:43:36,293 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2022-11-23 13:43:36,293 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2022-11-23 13:43:36,294 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 336 347) the Hoare annotation is: true [2022-11-23 13:43:36,294 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 336 347) no Hoare annotation was computed. [2022-11-23 13:43:36,294 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 348 356) the Hoare annotation is: true [2022-11-23 13:43:36,294 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 348 356) no Hoare annotation was computed. [2022-11-23 13:43:36,294 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 806 835) no Hoare annotation was computed. [2022-11-23 13:43:36,294 INFO L902 garLoopResultBuilder]: At program point L831(lines 806 835) the Hoare annotation is: true [2022-11-23 13:43:36,294 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 806 835) the Hoare annotation is: true [2022-11-23 13:43:36,294 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2022-11-23 13:43:36,294 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 824) no Hoare annotation was computed. [2022-11-23 13:43:36,294 INFO L902 garLoopResultBuilder]: At program point L820-1(lines 820 824) the Hoare annotation is: true [2022-11-23 13:43:36,295 INFO L902 garLoopResultBuilder]: At program point L816-2(lines 816 830) the Hoare annotation is: true [2022-11-23 13:43:36,295 INFO L902 garLoopResultBuilder]: At program point L812(line 812) the Hoare annotation is: true [2022-11-23 13:43:36,295 INFO L899 garLoopResultBuilder]: For program point L812-1(line 812) no Hoare annotation was computed. [2022-11-23 13:43:36,295 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,295 INFO L895 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,295 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,295 INFO L895 garLoopResultBuilder]: At program point L222-1(lines 203 227) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,296 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 422) no Hoare annotation was computed. [2022-11-23 13:43:36,296 INFO L895 garLoopResultBuilder]: At program point L408(lines 408 425) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~2#1| 0) .cse1))) [2022-11-23 13:43:36,296 INFO L895 garLoopResultBuilder]: At program point L408-1(lines 400 428) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~2#1| 0) .cse1))) [2022-11-23 13:43:36,296 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 419) no Hoare annotation was computed. [2022-11-23 13:43:36,296 INFO L899 garLoopResultBuilder]: For program point L182-1(lines 182 188) no Hoare annotation was computed. [2022-11-23 13:43:36,296 INFO L895 garLoopResultBuilder]: At program point L211(lines 211 219) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,296 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 224) no Hoare annotation was computed. [2022-11-23 13:43:36,296 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,297 INFO L895 garLoopResultBuilder]: At program point L249-1(line 249) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,297 INFO L895 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,297 INFO L899 garLoopResultBuilder]: For program point L406-1(line 406) no Hoare annotation was computed. [2022-11-23 13:43:36,297 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-23 13:43:36,297 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 174 193) no Hoare annotation was computed. [2022-11-23 13:43:36,297 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2022-11-23 13:43:36,297 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 800) no Hoare annotation was computed. [2022-11-23 13:43:36,297 INFO L895 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2022-11-23 13:43:36,298 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 13:43:36,298 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2022-11-23 13:43:36,299 INFO L895 garLoopResultBuilder]: At program point L123-1(lines 123 129) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-23 13:43:36,299 INFO L895 garLoopResultBuilder]: At program point L148(lines 103 150) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-23 13:43:36,299 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-23 13:43:36,299 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:43:36,300 INFO L895 garLoopResultBuilder]: At program point L888(lines 888 895) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-23 13:43:36,300 INFO L902 garLoopResultBuilder]: At program point L888-2(lines 888 895) the Hoare annotation is: true [2022-11-23 13:43:36,300 INFO L895 garLoopResultBuilder]: At program point L141-2(lines 133 146) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-23 13:43:36,300 INFO L899 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2022-11-23 13:43:36,300 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-23 13:43:36,301 INFO L902 garLoopResultBuilder]: At program point L154(lines 93 158) the Hoare annotation is: true [2022-11-23 13:43:36,301 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-11-23 13:43:36,301 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2022-11-23 13:43:36,301 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 324 335) no Hoare annotation was computed. [2022-11-23 13:43:36,301 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 324 335) the Hoare annotation is: true [2022-11-23 13:43:36,304 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 13:43:36,306 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:43:36,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:43:36 BoogieIcfgContainer [2022-11-23 13:43:36,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:43:36,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:43:36,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:43:36,334 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:43:36,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:33" (3/4) ... [2022-11-23 13:43:36,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:43:36,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 13:43:36,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 13:43:36,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-23 13:43:36,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 13:43:36,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 13:43:36,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 13:43:36,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-11-23 13:43:36,354 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 13:43:36,354 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 13:43:36,355 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:43:36,355 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:43:36,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-23 13:43:36,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-23 13:43:36,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) [2022-11-23 13:43:36,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-23 13:43:36,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) [2022-11-23 13:43:36,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-23 13:43:36,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-23 13:43:36,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:43:36,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:43:36,431 INFO L158 Benchmark]: Toolchain (without parser) took 3718.35ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 65.2MB in the end (delta: 80.3MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2022-11-23 13:43:36,431 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory was 99.2MB in the beginning and 99.1MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:43:36,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.92ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 127.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 13:43:36,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.34ms. Allocated memory is still 178.3MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:43:36,432 INFO L158 Benchmark]: Boogie Preprocessor took 25.59ms. Allocated memory is still 178.3MB. Free memory was 125.3MB in the beginning and 123.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:43:36,432 INFO L158 Benchmark]: RCFGBuilder took 671.72ms. Allocated memory is still 178.3MB. Free memory was 123.6MB in the beginning and 102.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 13:43:36,433 INFO L158 Benchmark]: TraceAbstraction took 2345.00ms. Allocated memory is still 178.3MB. Free memory was 102.2MB in the beginning and 70.4MB in the end (delta: 31.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2022-11-23 13:43:36,433 INFO L158 Benchmark]: Witness Printer took 96.37ms. Allocated memory is still 178.3MB. Free memory was 70.4MB in the beginning and 65.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:43:36,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory was 99.2MB in the beginning and 99.1MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.92ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 127.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.34ms. Allocated memory is still 178.3MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.59ms. Allocated memory is still 178.3MB. Free memory was 125.3MB in the beginning and 123.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 671.72ms. Allocated memory is still 178.3MB. Free memory was 123.6MB in the beginning and 102.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2345.00ms. Allocated memory is still 178.3MB. Free memory was 102.2MB in the beginning and 70.4MB in the end (delta: 31.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Witness Printer took 96.37ms. Allocated memory is still 178.3MB. Free memory was 70.4MB in the beginning and 65.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 800]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 368 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 176 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 181 PreInvPairs, 202 NumberOfFragments, 229 HoareAnnotationTreeSize, 181 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 448 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == systemActive - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 13:43:36,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161fe648-6ae9-433c-be86-e3c0a7322671/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE