./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje --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 f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:35:39,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:35:39,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:35:39,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:35:39,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:35:39,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:35:39,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:35:39,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:35:39,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:35:39,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:35:39,166 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:35:39,167 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:35:39,167 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:35:39,170 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:35:39,170 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:35:39,171 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:35:39,171 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:35:39,171 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:35:39,172 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:35:39,172 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:35:39,172 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:35:39,173 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:35:39,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:35:39,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:35:39,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:35:39,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:35:39,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:35:39,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:35:39,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:35:39,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:35:39,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:35:39,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:35:39,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:35:39,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:35:39,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:35:39,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:35:39,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:35:39,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:35:39,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:39,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:35:39,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:35:39,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:35:39,184 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:35:39,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:35:39,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:35:39,185 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:35:39,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:35:39,185 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_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2024-11-09 05:35:39,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:35:39,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:35:39,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:35:39,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:35:39,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:35:39,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c Unable to find full path for "g++" [2024-11-09 05:35:41,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:35:42,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:35:42,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2024-11-09 05:35:42,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/data/8b9ebfd0d/3a72d150d7644ffa8ff8d46f2d58f6ef/FLAGbffa07dae [2024-11-09 05:35:42,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/data/8b9ebfd0d/3a72d150d7644ffa8ff8d46f2d58f6ef [2024-11-09 05:35:42,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:35:42,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:35:42,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:42,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:35:42,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:35:42,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339536ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42, skipping insertion in model container [2024-11-09 05:35:42,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:35:42,492 WARN L250 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_7c5ac56b-9688-4229-9a81-674c490cad87/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2024-11-09 05:35:42,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:42,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:35:42,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-09 05:35:42,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] [2024-11-09 05:35:42,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] [2024-11-09 05:35:42,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] [2024-11-09 05:35:42,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] [2024-11-09 05:35:42,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] [2024-11-09 05:35:42,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] [2024-11-09 05:35:42,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] [2024-11-09 05:35:42,680 WARN L250 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_7c5ac56b-9688-4229-9a81-674c490cad87/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4901,4914] [2024-11-09 05:35:42,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:42,759 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:35:42,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42 WrapperNode [2024-11-09 05:35:42,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:42,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:42,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:35:42,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:35:42,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,818 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 144 [2024-11-09 05:35:42,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:42,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:35:42,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:35:42,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:35:42,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:35:42,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:35:42,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:35:42,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:35:42,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (1/1) ... [2024-11-09 05:35:42,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:42,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:42,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:35:42,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:35:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:35:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 05:35:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 05:35:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 05:35:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 05:35:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 05:35:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 05:35:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 05:35:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 05:35:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 05:35:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 05:35:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-09 05:35:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-09 05:35:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 05:35:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 05:35:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:35:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 05:35:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 05:35:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:35:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:35:43,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:35:43,092 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:35:43,493 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-09 05:35:43,493 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:35:43,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:35:43,600 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:35:43,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:43 BoogieIcfgContainer [2024-11-09 05:35:43,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:35:43,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:35:43,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:35:43,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:35:43,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:35:42" (1/3) ... [2024-11-09 05:35:43,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c63d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:43, skipping insertion in model container [2024-11-09 05:35:43,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:42" (2/3) ... [2024-11-09 05:35:43,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c63d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:43, skipping insertion in model container [2024-11-09 05:35:43,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:43" (3/3) ... [2024-11-09 05:35:43,617 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2024-11-09 05:35:43,639 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:35:43,639 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:35:43,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:35:43,735 INFO L333 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, 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;@a0c2dd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:35:43,737 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:35:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 46 states have internal predecessors, (55), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 05:35:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:35:43,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:43,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:43,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:43,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:43,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2106458330, now seen corresponding path program 1 times [2024-11-09 05:35:43,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:43,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053703630] [2024-11-09 05:35:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:43,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:44,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:44,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053703630] [2024-11-09 05:35:44,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053703630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:44,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:44,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:35:44,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261155735] [2024-11-09 05:35:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:44,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:35:44,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:44,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:35:44,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:35:44,090 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 46 states have internal predecessors, (55), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-09 05:35:44,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:44,182 INFO L93 Difference]: Finished difference Result 122 states and 163 transitions. [2024-11-09 05:35:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:35:44,186 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2024-11-09 05:35:44,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:44,198 INFO L225 Difference]: With dead ends: 122 [2024-11-09 05:35:44,198 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 05:35:44,204 INFO L431 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 [2024-11-09 05:35:44,210 INFO L432 NwaCegarLoop]: 62 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, 62 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:44,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:35:44,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 05:35:44,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-09 05:35:44,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 42 states have internal predecessors, (47), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:35:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2024-11-09 05:35:44,259 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 16 [2024-11-09 05:35:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:44,260 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2024-11-09 05:35:44,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-09 05:35:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2024-11-09 05:35:44,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 05:35:44,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:44,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:44,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:35:44,264 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:44,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:44,265 INFO L85 PathProgramCache]: Analyzing trace with hash -953917270, now seen corresponding path program 1 times [2024-11-09 05:35:44,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:44,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645907077] [2024-11-09 05:35:44,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:44,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:44,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:44,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645907077] [2024-11-09 05:35:44,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645907077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:44,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:44,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:35:44,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677781390] [2024-11-09 05:35:44,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:44,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:44,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:44,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:44,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:44,423 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-11-09 05:35:44,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:44,490 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2024-11-09 05:35:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:44,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 [2024-11-09 05:35:44,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:44,493 INFO L225 Difference]: With dead ends: 86 [2024-11-09 05:35:44,493 INFO L226 Difference]: Without dead ends: 49 [2024-11-09 05:35:44,494 INFO L431 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 [2024-11-09 05:35:44,496 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 14 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:44,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 80 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:35:44,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-09 05:35:44,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-09 05:35:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 37 states have internal predecessors, (41), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:35:44,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2024-11-09 05:35:44,507 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 17 [2024-11-09 05:35:44,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:44,508 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2024-11-09 05:35:44,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-11-09 05:35:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2024-11-09 05:35:44,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:35:44,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:44,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:44,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:35:44,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:44,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:44,512 INFO L85 PathProgramCache]: Analyzing trace with hash -22142002, now seen corresponding path program 1 times [2024-11-09 05:35:44,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:44,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822028540] [2024-11-09 05:35:44,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:44,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:44,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:44,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822028540] [2024-11-09 05:35:44,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822028540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:44,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:44,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:35:44,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712213825] [2024-11-09 05:35:44,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:44,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:44,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:44,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:44,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:44,655 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2024-11-09 05:35:44,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:44,760 INFO L93 Difference]: Finished difference Result 143 states and 180 transitions. [2024-11-09 05:35:44,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:44,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 [2024-11-09 05:35:44,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:44,766 INFO L225 Difference]: With dead ends: 143 [2024-11-09 05:35:44,766 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 05:35:44,767 INFO L431 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 [2024-11-09 05:35:44,770 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 55 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:44,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 102 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:35:44,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 05:35:44,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2024-11-09 05:35:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 69 states have internal predecessors, (77), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:35:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 117 transitions. [2024-11-09 05:35:44,798 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 117 transitions. Word has length 20 [2024-11-09 05:35:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:44,799 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 117 transitions. [2024-11-09 05:35:44,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2024-11-09 05:35:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions. [2024-11-09 05:35:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:35:44,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:44,801 INFO L215 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] [2024-11-09 05:35:44,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:35:44,802 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:44,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:44,803 INFO L85 PathProgramCache]: Analyzing trace with hash -114528984, now seen corresponding path program 1 times [2024-11-09 05:35:44,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:44,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748897452] [2024-11-09 05:35:44,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:44,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:44,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748897452] [2024-11-09 05:35:44,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748897452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:44,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:44,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:35:44,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638392424] [2024-11-09 05:35:44,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:44,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:44,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:44,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:44,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:35:44,932 INFO L87 Difference]: Start difference. First operand 93 states and 117 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 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) [2024-11-09 05:35:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:44,996 INFO L93 Difference]: Finished difference Result 158 states and 201 transitions. [2024-11-09 05:35:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:35:44,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 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 23 [2024-11-09 05:35:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:44,998 INFO L225 Difference]: With dead ends: 158 [2024-11-09 05:35:44,998 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:35:44,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:35:45,000 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 53 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 [2024-11-09 05:35:45,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 53 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:35:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:35:45,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:35:45,002 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) [2024-11-09 05:35:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:35:45,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-11-09 05:35:45,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:45,003 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:35:45,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 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) [2024-11-09 05:35:45,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:35:45,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:35:45,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:35:45,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:35:45,009 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 05:35:45,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:35:45,399 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:35:45,440 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-09 05:35:45,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:35:45 BoogieIcfgContainer [2024-11-09 05:35:45,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:35:45,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:35:45,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:35:45,447 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:35:45,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:43" (3/4) ... [2024-11-09 05:35:45,451 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:35:45,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 05:35:45,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 05:35:45,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 05:35:45,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 05:35:45,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-09 05:35:45,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 05:35:45,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-09 05:35:45,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-09 05:35:45,467 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-09 05:35:45,468 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 05:35:45,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 05:35:45,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:35:45,470 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:35:45,500 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-09 05:35:45,547 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) [2024-11-09 05:35:45,644 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:35:45,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:35:45,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:35:45,646 INFO L158 Benchmark]: Toolchain (without parser) took 3563.83ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 100.5MB in the beginning and 150.4MB in the end (delta: -49.9MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-11-09 05:35:45,646 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 67.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:35:45,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.54ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 98.8MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:35:45,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.30ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:35:45,649 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:35:45,649 INFO L158 Benchmark]: RCFGBuilder took 749.51ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 72.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:35:45,650 INFO L158 Benchmark]: TraceAbstraction took 1839.77ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 72.2MB in the beginning and 86.9MB in the end (delta: -14.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-09 05:35:45,650 INFO L158 Benchmark]: Witness Printer took 198.82ms. Allocated memory is still 184.5MB. Free memory was 86.9MB in the beginning and 150.4MB in the end (delta: -63.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:35:45,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 67.7MB in the beginning and 67.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.54ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 98.8MB in the end (delta: 1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.30ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.51ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 72.8MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1839.77ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 72.2MB in the beginning and 86.9MB in the end (delta: -14.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 198.82ms. Allocated memory is still 184.5MB. Free memory was 86.9MB in the beginning and 150.4MB in the end (delta: -63.5MB). Peak memory consumption was 4.2MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] - GenericResultAtLocation [Line: 163]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] - GenericResultAtLocation [Line: 201]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] - GenericResultAtLocation [Line: 300]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] - GenericResultAtLocation [Line: 675]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] - GenericResultAtLocation [Line: 852]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] * 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: 305]: 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 9 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 297 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 193 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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: 862]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 683]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 765]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 82]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((waterLevel == \old(waterLevel)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 683]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 204]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 94]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 70]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 707]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 773]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:35:45,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5ac56b-9688-4229-9a81-674c490cad87/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE