./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.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_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/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_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/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_caf989f5-3a5e-4702-9b49-ee1c83668f0d/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 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:59:43,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:59:43,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:59:43,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:59:43,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:59:43,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:59:43,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:59:43,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:59:43,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:59:43,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:59:43,306 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:59:43,307 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:59:43,307 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:59:43,307 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:59:43,308 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:59:43,308 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:59:43,309 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:59:43,310 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:59:43,310 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:59:43,311 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:59:43,311 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:59:43,313 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:59:43,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:59:43,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:59:43,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:59:43,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:59:43,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:59:43,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:59:43,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:59:43,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:59:43,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:59:43,318 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:59:43,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:59:43,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:59:43,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:59:43,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:59:43,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:59:43,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:59:43,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:59:43,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:59:43,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:59:43,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:59:43,322 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:59:43,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:59:43,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:59:43,324 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:59:43,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:59:43,325 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_caf989f5-3a5e-4702-9b49-ee1c83668f0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2024-11-09 04:59:43,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:59:43,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:59:43,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:59:43,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:59:43,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:59:43,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c Unable to find full path for "g++" [2024-11-09 04:59:45,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:59:45,959 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:59:45,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2024-11-09 04:59:45,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/data/f2671ad36/3a99ad334e614d3ab5e48fead50ae1d5/FLAGeec3e9914 [2024-11-09 04:59:46,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/data/f2671ad36/3a99ad334e614d3ab5e48fead50ae1d5 [2024-11-09 04:59:46,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:59:46,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:59:46,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:59:46,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:59:46,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:59:46,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57619ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46, skipping insertion in model container [2024-11-09 04:59:46,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:59:46,294 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_caf989f5-3a5e-4702-9b49-ee1c83668f0d/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2024-11-09 04:59:46,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:59:46,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:59:46,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-09 04:59:46,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-11-09 04:59:46,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2024-11-09 04:59:46,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] [2024-11-09 04:59:46,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] [2024-11-09 04:59:46,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] [2024-11-09 04:59:46,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] [2024-11-09 04:59:46,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] [2024-11-09 04:59:46,480 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_caf989f5-3a5e-4702-9b49-ee1c83668f0d/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2024-11-09 04:59:46,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:59:46,624 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:59:46,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46 WrapperNode [2024-11-09 04:59:46,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:59:46,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:59:46,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:59:46,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:59:46,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,692 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 199 [2024-11-09 04:59:46,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:59:46,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:59:46,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:59:46,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:59:46,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:59:46,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:59:46,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:59:46,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:59:46,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (1/1) ... [2024-11-09 04:59:46,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:59:46,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:59:46,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:59:46,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:59:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:59:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 04:59:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 04:59:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 04:59:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 04:59:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 04:59:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 04:59:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 04:59:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 04:59:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 04:59:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 04:59:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-09 04:59:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-09 04:59:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-09 04:59:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-09 04:59:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 04:59:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 04:59:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:59:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 04:59:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 04:59:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:59:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:59:46,949 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:59:46,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:59:47,385 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-09 04:59:47,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:59:47,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:59:47,533 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 04:59:47,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:59:47 BoogieIcfgContainer [2024-11-09 04:59:47,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:59:47,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:59:47,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:59:47,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:59:47,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:59:46" (1/3) ... [2024-11-09 04:59:47,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103023ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:59:47, skipping insertion in model container [2024-11-09 04:59:47,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:59:46" (2/3) ... [2024-11-09 04:59:47,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103023ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:59:47, skipping insertion in model container [2024-11-09 04:59:47,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:59:47" (3/3) ... [2024-11-09 04:59:47,544 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2024-11-09 04:59:47,566 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:59:47,566 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:59:47,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:59:47,667 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;@53df6f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:59:47,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:59:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 04:59:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 04:59:47,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:47,682 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:47,683 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:59:47,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:47,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1297936553, now seen corresponding path program 1 times [2024-11-09 04:59:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:59:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181892946] [2024-11-09 04:59:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:59:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 04:59:47,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:59:47,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181892946] [2024-11-09 04:59:47,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181892946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:47,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:59:47,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:59:47,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305646023] [2024-11-09 04:59:47,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:47,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:59:47,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:59:47,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:59:47,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:59:47,961 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:59:48,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:48,036 INFO L93 Difference]: Finished difference Result 140 states and 191 transitions. [2024-11-09 04:59:48,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:59:48,041 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-09 04:59:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:48,051 INFO L225 Difference]: With dead ends: 140 [2024-11-09 04:59:48,052 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 04:59:48,056 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 04:59:48,061 INFO L432 NwaCegarLoop]: 76 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, 76 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 [2024-11-09 04:59:48,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:59:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 04:59:48,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 04:59:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 04:59:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2024-11-09 04:59:48,107 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 21 [2024-11-09 04:59:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:48,108 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2024-11-09 04:59:48,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:59:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2024-11-09 04:59:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 04:59:48,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:48,111 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:48,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:59:48,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:59:48,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:48,113 INFO L85 PathProgramCache]: Analyzing trace with hash -975619662, now seen corresponding path program 1 times [2024-11-09 04:59:48,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:59:48,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125245644] [2024-11-09 04:59:48,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:48,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:59:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 04:59:48,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:59:48,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125245644] [2024-11-09 04:59:48,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125245644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:48,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:59:48,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:59:48,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243855610] [2024-11-09 04:59:48,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:48,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:59:48,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:59:48,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:59:48,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:59:48,230 INFO L87 Difference]: Start difference. First operand 66 states and 86 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:59:48,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:48,278 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2024-11-09 04:59:48,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:59:48,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-09 04:59:48,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:48,280 INFO L225 Difference]: With dead ends: 104 [2024-11-09 04:59:48,280 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 04:59:48,281 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 04:59:48,282 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:48,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 107 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:59:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 04:59:48,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-09 04:59:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:59:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2024-11-09 04:59:48,294 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 22 [2024-11-09 04:59:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:48,294 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2024-11-09 04:59:48,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:59:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2024-11-09 04:59:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 04:59:48,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:48,296 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:48,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:59:48,296 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:59:48,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:48,297 INFO L85 PathProgramCache]: Analyzing trace with hash 582265340, now seen corresponding path program 1 times [2024-11-09 04:59:48,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:59:48,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706391783] [2024-11-09 04:59:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:48,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:59:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 04:59:48,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:59:48,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706391783] [2024-11-09 04:59:48,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706391783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:48,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:59:48,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:59:48,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812953851] [2024-11-09 04:59:48,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:48,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:59:48,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:59:48,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:59:48,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:59:48,473 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 04:59:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:48,574 INFO L93 Difference]: Finished difference Result 170 states and 222 transitions. [2024-11-09 04:59:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:59:48,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2024-11-09 04:59:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:48,578 INFO L225 Difference]: With dead ends: 170 [2024-11-09 04:59:48,578 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 04:59:48,581 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 04:59:48,584 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:48,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 133 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:59:48,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 04:59:48,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2024-11-09 04:59:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 83 states have internal predecessors, (93), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 04:59:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2024-11-09 04:59:48,627 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 25 [2024-11-09 04:59:48,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:48,627 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2024-11-09 04:59:48,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 04:59:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2024-11-09 04:59:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 04:59:48,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:59:48,633 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:59:48,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:59:48,634 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:59:48,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:59:48,634 INFO L85 PathProgramCache]: Analyzing trace with hash -2103042500, now seen corresponding path program 1 times [2024-11-09 04:59:48,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:59:48,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330949183] [2024-11-09 04:59:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:59:48,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:59:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:59:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:59:48,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:59:48,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330949183] [2024-11-09 04:59:48,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330949183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:59:48,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:59:48,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:59:48,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085077425] [2024-11-09 04:59:48,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:59:48,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:59:48,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:59:48,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:59:48,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:59:48,803 INFO L87 Difference]: Start difference. First operand 111 states and 145 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:59:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:59:48,996 INFO L93 Difference]: Finished difference Result 190 states and 249 transitions. [2024-11-09 04:59:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:59:48,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-09 04:59:48,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:59:48,997 INFO L225 Difference]: With dead ends: 190 [2024-11-09 04:59:48,998 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:59:48,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:59:49,000 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 29 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:59:49,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 121 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:59:49,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:59:49,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:59:49,006 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 04:59:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:59:49,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-09 04:59:49,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:59:49,006 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:59:49,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:59:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:59:49,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:59:49,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:59:49,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:59:49,017 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 04:59:49,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 04:59:49,446 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:59:49,497 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 04:59:49,502 WARN L162 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-09 04:59:49,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:59:49 BoogieIcfgContainer [2024-11-09 04:59:49,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:59:49,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:59:49,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:59:49,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:59:49,513 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:59:47" (3/4) ... [2024-11-09 04:59:49,516 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 04:59:49,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 04:59:49,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 04:59:49,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 04:59:49,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 04:59:49,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 04:59:49,519 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 04:59:49,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-09 04:59:49,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-09 04:59:49,520 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-09 04:59:49,528 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2024-11-09 04:59:49,528 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 04:59:49,529 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 04:59:49,529 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:59:49,530 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:59:49,657 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:59:49,657 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 04:59:49,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:59:49,658 INFO L158 Benchmark]: Toolchain (without parser) took 3654.38ms. Allocated memory is still 157.3MB. Free memory was 120.9MB in the beginning and 90.8MB in the end (delta: 30.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-09 04:59:49,659 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:59:49,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.30ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 99.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 04:59:49,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.75ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 96.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:59:49,660 INFO L158 Benchmark]: Boogie Preprocessor took 55.73ms. Allocated memory is still 157.3MB. 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 04:59:49,660 INFO L158 Benchmark]: RCFGBuilder took 784.19ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 68.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 04:59:49,661 INFO L158 Benchmark]: TraceAbstraction took 1974.15ms. Allocated memory is still 157.3MB. Free memory was 67.7MB in the beginning and 99.2MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:59:49,661 INFO L158 Benchmark]: Witness Printer took 146.84ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 90.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 04:59:49,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.30ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 99.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.75ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 96.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.73ms. Allocated memory is still 157.3MB. 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 784.19ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 68.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1974.15ms. Allocated memory is still 157.3MB. Free memory was 67.7MB in the beginning and 99.2MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 146.84ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 90.8MB in the end (delta: 8.4MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] - GenericResultAtLocation [Line: 443]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] - GenericResultAtLocation [Line: 544]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] - GenericResultAtLocation [Line: 910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] - GenericResultAtLocation [Line: 959]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] * 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: 54]: 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 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 437 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 245 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 74]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 263]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 255]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((systemActive == \old(systemActive)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 171]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 381]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 445]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 144]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 369]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 179]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((((systemActive == \old(systemActive)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 274]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 263]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 04:59:49,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf989f5-3a5e-4702-9b49-ee1c83668f0d/bin/utaipan-verify-YMUCfTKeje/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