./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:56:22,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:56:22,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:56:22,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:56:22,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:56:22,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:56:22,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:56:22,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:56:22,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:56:22,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:56:22,851 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:56:22,851 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:56:22,852 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:56:22,852 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:56:22,853 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:56:22,853 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:56:22,854 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:56:22,854 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:56:22,855 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:56:22,856 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:56:22,856 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:56:22,857 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:56:22,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:56:22,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:56:22,858 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:56:22,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:56:22,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:56:22,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:56:22,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:56:22,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:56:22,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:56:22,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:56:22,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:56:22,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:56:22,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:56:22,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:56:22,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:22,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:56:22,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:56:22,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:56:22,864 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:56:22,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:56:22,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:56:22,865 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:56:22,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:56:22,865 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb0c67d0f3b897df6aba0c402ea453b42e61f1d6e102d991db16c73430a771e [2023-11-19 04:56:23,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:56:23,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:56:23,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:56:23,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:56:23,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:56:23,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2023-11-19 04:56:26,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:56:26,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:56:26,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2023-11-19 04:56:26,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/data/c73cd5cad/929525797c2345399f23b8b972b3586f/FLAGa0fee7153 [2023-11-19 04:56:26,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/data/c73cd5cad/929525797c2345399f23b8b972b3586f [2023-11-19 04:56:26,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:56:26,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:56:26,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:26,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:56:26,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:56:26,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:26" (1/1) ... [2023-11-19 04:56:26,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544f2357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:26, skipping insertion in model container [2023-11-19 04:56:26,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:56:26" (1/1) ... [2023-11-19 04:56:26,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:56:27,038 WARN L240 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_30ccd756-ef74-47c8-802a-c1835fe83d9d/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2023-11-19 04:56:27,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:27,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:56:27,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-19 04:56:27,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-11-19 04:56:27,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [183] [2023-11-19 04:56:27,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] [2023-11-19 04:56:27,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] [2023-11-19 04:56:27,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [657] [2023-11-19 04:56:27,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [684] [2023-11-19 04:56:27,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [863] [2023-11-19 04:56:27,204 WARN L240 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_30ccd756-ef74-47c8-802a-c1835fe83d9d/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14361,14374] [2023-11-19 04:56:27,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:27,243 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:56:27,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27 WrapperNode [2023-11-19 04:56:27,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:27,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:27,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:56:27,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:56:27,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,303 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 172 [2023-11-19 04:56:27,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:27,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:56:27,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:56:27,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:56:27,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:56:27,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:56:27,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:56:27,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:56:27,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (1/1) ... [2023-11-19 04:56:27,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:56:27,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:56:27,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:56:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:56:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 04:56:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 04:56:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 04:56:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 04:56:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 04:56:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 04:56:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 04:56:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 04:56:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 04:56:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 04:56:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:56:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 04:56:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 04:56:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:56:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:56:27,522 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:56:27,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:56:27,836 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:56:27,980 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:56:27,981 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:56:28,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:28 BoogieIcfgContainer [2023-11-19 04:56:28,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:56:28,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:56:28,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:56:28,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:56:28,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:56:26" (1/3) ... [2023-11-19 04:56:28,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee50df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:28, skipping insertion in model container [2023-11-19 04:56:28,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:27" (2/3) ... [2023-11-19 04:56:28,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee50df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:28, skipping insertion in model container [2023-11-19 04:56:28,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:28" (3/3) ... [2023-11-19 04:56:28,010 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2023-11-19 04:56:28,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:56:28,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:56:28,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:56:28,089 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=LoopHeads, 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;@26263213, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:56:28,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:56:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 41 states have internal predecessors, (50), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 04:56:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:56:28,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:28,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:28,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:28,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:28,108 INFO L85 PathProgramCache]: Analyzing trace with hash 936602179, now seen corresponding path program 1 times [2023-11-19 04:56:28,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:28,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769728535] [2023-11-19 04:56:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:56:28,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:28,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769728535] [2023-11-19 04:56:28,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769728535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:28,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:28,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:56:28,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849469062] [2023-11-19 04:56:28,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:28,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:56:28,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:56:28,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:56:28,320 INFO L87 Difference]: Start difference. First operand has 52 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 41 states have internal predecessors, (50), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:28,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:28,391 INFO L93 Difference]: Finished difference Result 102 states and 141 transitions. [2023-11-19 04:56:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:56:28,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 04:56:28,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:28,401 INFO L225 Difference]: With dead ends: 102 [2023-11-19 04:56:28,402 INFO L226 Difference]: Without dead ends: 47 [2023-11-19 04:56:28,405 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 [2023-11-19 04:56:28,408 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:28,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:56:28,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-19 04:56:28,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-19 04:56:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 37 states have internal predecessors, (42), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 04:56:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2023-11-19 04:56:28,452 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12 [2023-11-19 04:56:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:28,453 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2023-11-19 04:56:28,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-19 04:56:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:56:28,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:28,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:28,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:56:28,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:28,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:28,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1875557537, now seen corresponding path program 1 times [2023-11-19 04:56:28,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:28,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892371118] [2023-11-19 04:56:28,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:28,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:56:28,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:28,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892371118] [2023-11-19 04:56:28,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892371118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:28,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:28,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:56:28,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245767988] [2023-11-19 04:56:28,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:28,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:28,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:28,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:56:28,653 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:28,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:28,690 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2023-11-19 04:56:28,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:28,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 04:56:28,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:28,692 INFO L225 Difference]: With dead ends: 66 [2023-11-19 04:56:28,692 INFO L226 Difference]: Without dead ends: 39 [2023-11-19 04:56:28,693 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 [2023-11-19 04:56:28,695 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 14 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:28,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 58 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:56:28,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-19 04:56:28,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-19 04:56:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 04:56:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2023-11-19 04:56:28,705 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 13 [2023-11-19 04:56:28,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:28,705 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2023-11-19 04:56:28,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-19 04:56:28,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:56:28,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:28,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:28,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:56:28,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:28,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:28,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1203014434, now seen corresponding path program 1 times [2023-11-19 04:56:28,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:28,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377253131] [2023-11-19 04:56:28,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:28,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:56:28,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:28,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377253131] [2023-11-19 04:56:28,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377253131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:28,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:28,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:56:28,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92067666] [2023-11-19 04:56:28,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:28,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:28,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:28,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:28,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:56:28,807 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:28,872 INFO L93 Difference]: Finished difference Result 113 states and 147 transitions. [2023-11-19 04:56:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:28,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-19 04:56:28,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:28,879 INFO L225 Difference]: With dead ends: 113 [2023-11-19 04:56:28,879 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 04:56:28,881 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 [2023-11-19 04:56:28,885 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 44 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:28,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 77 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:56:28,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 04:56:28,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2023-11-19 04:56:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 59 states have internal predecessors, (67), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 04:56:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2023-11-19 04:56:28,919 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 16 [2023-11-19 04:56:28,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:28,920 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2023-11-19 04:56:28,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-19 04:56:28,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:56:28,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:28,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:28,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:56:28,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:56:28,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:28,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1379023591, now seen corresponding path program 1 times [2023-11-19 04:56:28,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:28,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115144468] [2023-11-19 04:56:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:28,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:56:29,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:29,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115144468] [2023-11-19 04:56:29,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115144468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:29,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:29,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:56:29,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483892794] [2023-11-19 04:56:29,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:29,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:56:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:29,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:56:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:56:29,154 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:29,206 INFO L93 Difference]: Finished difference Result 132 states and 173 transitions. [2023-11-19 04:56:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:56:29,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-19 04:56:29,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:29,207 INFO L225 Difference]: With dead ends: 132 [2023-11-19 04:56:29,208 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:56:29,209 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 [2023-11-19 04:56:29,210 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:29,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 46 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:56:29,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:56:29,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:56:29,212 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) [2023-11-19 04:56:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:56:29,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-19 04:56:29,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:29,212 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:56:29,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:56:29,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:56:29,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:56:29,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:56:29,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:56:29,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:56:29,366 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2023-11-19 04:56:29,366 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 757 764) the Hoare annotation is: true [2023-11-19 04:56:29,366 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2023-11-19 04:56:29,366 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2023-11-19 04:56:29,367 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 121 132) the Hoare annotation is: true [2023-11-19 04:56:29,367 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 121 132) no Hoare annotation was computed. [2023-11-19 04:56:29,367 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 677) no Hoare annotation was computed. [2023-11-19 04:56:29,367 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 680) no Hoare annotation was computed. [2023-11-19 04:56:29,367 INFO L899 garLoopResultBuilder]: For program point L667-1(lines 659 683) no Hoare annotation was computed. [2023-11-19 04:56:29,367 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2023-11-19 04:56:29,368 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 04:56:29,368 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-19 04:56:29,368 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 04:56:29,369 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2023-11-19 04:56:29,369 INFO L899 garLoopResultBuilder]: For program point L653(line 653) no Hoare annotation was computed. [2023-11-19 04:56:29,371 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-19 04:56:29,371 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2023-11-19 04:56:29,372 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2023-11-19 04:56:29,373 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2023-11-19 04:56:29,373 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2023-11-19 04:56:29,373 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2023-11-19 04:56:29,373 INFO L902 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: true [2023-11-19 04:56:29,373 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 186 215) no Hoare annotation was computed. [2023-11-19 04:56:29,374 INFO L899 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2023-11-19 04:56:29,374 INFO L899 garLoopResultBuilder]: For program point L211(lines 186 215) no Hoare annotation was computed. [2023-11-19 04:56:29,374 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2023-11-19 04:56:29,374 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 186 215) the Hoare annotation is: true [2023-11-19 04:56:29,374 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2023-11-19 04:56:29,374 INFO L902 garLoopResultBuilder]: At program point L200-1(lines 200 204) the Hoare annotation is: true [2023-11-19 04:56:29,374 INFO L902 garLoopResultBuilder]: At program point L196-2(lines 196 210) the Hoare annotation is: true [2023-11-19 04:56:29,375 INFO L899 garLoopResultBuilder]: For program point L927(lines 864 931) no Hoare annotation was computed. [2023-11-19 04:56:29,375 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2023-11-19 04:56:29,375 INFO L899 garLoopResultBuilder]: For program point L894-1(lines 894 900) no Hoare annotation was computed. [2023-11-19 04:56:29,375 INFO L895 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 04:56:29,376 INFO L895 garLoopResultBuilder]: At program point L924(lines 873 925) the Hoare annotation is: false [2023-11-19 04:56:29,376 INFO L899 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2023-11-19 04:56:29,376 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: false [2023-11-19 04:56:29,377 INFO L895 garLoopResultBuilder]: At program point L912-2(lines 904 919) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 04:56:29,379 INFO L899 garLoopResultBuilder]: For program point L875(lines 874 923) no Hoare annotation was computed. [2023-11-19 04:56:29,379 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 919) no Hoare annotation was computed. [2023-11-19 04:56:29,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:56:29,380 INFO L895 garLoopResultBuilder]: At program point L896(line 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 04:56:29,381 INFO L895 garLoopResultBuilder]: At program point L921(lines 874 923) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 04:56:29,381 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2023-11-19 04:56:29,381 INFO L899 garLoopResultBuilder]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2023-11-19 04:56:29,381 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 276) no Hoare annotation was computed. [2023-11-19 04:56:29,382 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 276) no Hoare annotation was computed. [2023-11-19 04:56:29,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:56:29,383 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2023-11-19 04:56:29,384 INFO L899 garLoopResultBuilder]: For program point L844-1(lines 844 850) no Hoare annotation was computed. [2023-11-19 04:56:29,387 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 109 120) no Hoare annotation was computed. [2023-11-19 04:56:29,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 109 120) the Hoare annotation is: true [2023-11-19 04:56:29,390 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 04:56:29,395 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:56:29,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:56:29 BoogieIcfgContainer [2023-11-19 04:56:29,412 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:56:29,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:56:29,413 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:56:29,413 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:56:29,414 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:28" (3/4) ... [2023-11-19 04:56:29,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:56:29,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 04:56:29,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 04:56:29,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 04:56:29,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 04:56:29,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 04:56:29,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 04:56:29,429 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-19 04:56:29,430 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 04:56:29,430 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:56:29,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:56:29,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:56:29,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-19 04:56:29,498 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-19 04:56:29,547 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:56:29,548 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:56:29,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:56:29,549 INFO L158 Benchmark]: Toolchain (without parser) took 2890.96ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 92.0MB in the end (delta: 7.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-19 04:56:29,549 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:56:29,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.75ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 80.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:56:29,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.95ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:56:29,550 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 146.8MB. Free memory was 78.1MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:56:29,551 INFO L158 Benchmark]: RCFGBuilder took 662.69ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 110.6MB in the end (delta: -34.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-19 04:56:29,551 INFO L158 Benchmark]: TraceAbstraction took 1409.27ms. Allocated memory is still 146.8MB. Free memory was 109.9MB in the beginning and 99.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 04:56:29,551 INFO L158 Benchmark]: Witness Printer took 135.42ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 92.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:56:29,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.75ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 80.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.95ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 146.8MB. Free memory was 78.1MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.69ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 110.6MB in the end (delta: -34.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1409.27ms. Allocated memory is still 146.8MB. Free memory was 109.9MB in the beginning and 99.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 135.42ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 92.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 183]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [183] - GenericResultAtLocation [Line: 282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] - GenericResultAtLocation [Line: 657]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [657] - GenericResultAtLocation [Line: 684]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [684] - GenericResultAtLocation [Line: 863]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [863] * 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: 653]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 232 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 153 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 87 PreInvPairs, 95 NumberOfFragments, 62 HoareAnnotationTreeSize, 87 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 143 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-19 04:56:29,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ccd756-ef74-47c8-802a-c1835fe83d9d/bin/utaipan-verify-t7M7D8N6sZ/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