./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:16,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:16,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:03:16,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:16,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:16,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:16,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:16,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:16,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:16,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:16,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:16,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:16,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:16,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:16,933 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:16,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:16,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:16,934 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:16,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:16,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:16,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:16,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:16,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:16,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:16,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:16,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:16,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:16,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:16,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:16,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:16,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:03:16,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:16,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:16,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:16,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:16,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:16,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:16,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:03:16,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:16,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:16,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:16,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:16,943 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2024-10-31 22:03:17,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:17,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:17,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:17,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:17,287 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:17,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c Unable to find full path for "g++" [2024-10-31 22:03:19,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:19,744 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:19,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-10-31 22:03:19,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/data/8c111aa2d/20f3a3f8d69840768831ff772e41ba91/FLAG5a0d40355 [2024-10-31 22:03:19,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/data/8c111aa2d/20f3a3f8d69840768831ff772e41ba91 [2024-10-31 22:03:19,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:19,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:19,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:19,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:19,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:19,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:19" (1/1) ... [2024-10-31 22:03:19,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11448072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:19, skipping insertion in model container [2024-10-31 22:03:19,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:19" (1/1) ... [2024-10-31 22:03:19,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:20,080 WARN L251 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_b28db2df-5342-445f-a7f3-125783ad7509/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2024-10-31 22:03:20,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:20,263 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:20,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-10-31 22:03:20,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] [2024-10-31 22:03:20,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2024-10-31 22:03:20,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] [2024-10-31 22:03:20,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] [2024-10-31 22:03:20,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] [2024-10-31 22:03:20,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] [2024-10-31 22:03:20,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] [2024-10-31 22:03:20,297 WARN L251 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_b28db2df-5342-445f-a7f3-125783ad7509/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2024-10-31 22:03:20,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:20,405 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:20,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20 WrapperNode [2024-10-31 22:03:20,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:20,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:20,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:20,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:20,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,452 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 182 [2024-10-31 22:03:20,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:20,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:20,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:20,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:20,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,489 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:03:20,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:20,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:20,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:20,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:20,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (1/1) ... [2024-10-31 22:03:20,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:20,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:20,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:20,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-31 22:03:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-31 22:03:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-31 22:03:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-31 22:03:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-31 22:03:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-31 22:03:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-31 22:03:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-31 22:03:20,611 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-31 22:03:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-31 22:03:20,611 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-10-31 22:03:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-10-31 22:03:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-10-31 22:03:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-10-31 22:03:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-31 22:03:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-31 22:03:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:03:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-31 22:03:20,614 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-31 22:03:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:20,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:20,725 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:20,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:21,068 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:21,068 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:21,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:21,087 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:03:21,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:21 BoogieIcfgContainer [2024-10-31 22:03:21,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:21,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:21,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:21,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:21,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:19" (1/3) ... [2024-10-31 22:03:21,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c64fe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:21, skipping insertion in model container [2024-10-31 22:03:21,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:20" (2/3) ... [2024-10-31 22:03:21,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c64fe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:21, skipping insertion in model container [2024-10-31 22:03:21,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:21" (3/3) ... [2024-10-31 22:03:21,099 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2024-10-31 22:03:21,130 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:21,131 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:03:21,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:21,268 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=PETRI_NET, 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;@574bc996, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:21,268 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:03:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 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) [2024-10-31 22:03:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-31 22:03:21,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:21,285 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, 1, 1] [2024-10-31 22:03:21,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:21,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:21,291 INFO L85 PathProgramCache]: Analyzing trace with hash -255252744, now seen corresponding path program 1 times [2024-10-31 22:03:21,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:21,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574004713] [2024-10-31 22:03:21,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:21,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:21,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-31 22:03:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:21,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:21,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574004713] [2024-10-31 22:03:21,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574004713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:21,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:21,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:21,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397935690] [2024-10-31 22:03:21,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:21,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:03:21,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:21,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:03:21,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:03:21,554 INFO L87 Difference]: Start difference. First operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-10-31 22:03:21,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:21,601 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2024-10-31 22:03:21,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:03:21,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-10-31 22:03:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:21,615 INFO L225 Difference]: With dead ends: 185 [2024-10-31 22:03:21,615 INFO L226 Difference]: Without dead ends: 88 [2024-10-31 22:03:21,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:03:21,623 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:21,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:03:21,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-31 22:03:21,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-31 22:03:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 71 states have internal predecessors, (82), 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) [2024-10-31 22:03:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2024-10-31 22:03:21,675 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 25 [2024-10-31 22:03:21,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:21,676 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-10-31 22:03:21,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-10-31 22:03:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2024-10-31 22:03:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-31 22:03:21,679 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:21,680 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, 1, 1, 1] [2024-10-31 22:03:21,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:03:21,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:21,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:21,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1869248240, now seen corresponding path program 1 times [2024-10-31 22:03:21,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:21,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824760101] [2024-10-31 22:03:21,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:21,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:03:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:21,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:21,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824760101] [2024-10-31 22:03:21,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824760101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:21,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:21,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:03:21,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581718217] [2024-10-31 22:03:21,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:21,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:21,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:21,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:21,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:21,840 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-10-31 22:03:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:21,864 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2024-10-31 22:03:21,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:21,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2024-10-31 22:03:21,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:21,866 INFO L225 Difference]: With dead ends: 137 [2024-10-31 22:03:21,866 INFO L226 Difference]: Without dead ends: 79 [2024-10-31 22:03:21,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:21,868 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:21,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:03:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-31 22:03:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-31 22:03:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 65 states have internal predecessors, (75), 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) [2024-10-31 22:03:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2024-10-31 22:03:21,881 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 26 [2024-10-31 22:03:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:21,882 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2024-10-31 22:03:21,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-10-31 22:03:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2024-10-31 22:03:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:03:21,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:21,888 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:21,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:03:21,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:21,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:21,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1012211940, now seen corresponding path program 1 times [2024-10-31 22:03:21,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:21,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974668076] [2024-10-31 22:03:21,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:21,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:03:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:22,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:22,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974668076] [2024-10-31 22:03:22,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974668076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:22,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:22,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:03:22,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222278743] [2024-10-31 22:03:22,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:22,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:22,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:22,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:22,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:22,007 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-31 22:03:22,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:22,071 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2024-10-31 22:03:22,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:22,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-10-31 22:03:22,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:22,075 INFO L225 Difference]: With dead ends: 220 [2024-10-31 22:03:22,075 INFO L226 Difference]: Without dead ends: 149 [2024-10-31 22:03:22,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:22,077 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 80 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:22,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 206 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:03:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-31 22:03:22,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 146. [2024-10-31 22:03:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 118 states have internal predecessors, (138), 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) [2024-10-31 22:03:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2024-10-31 22:03:22,110 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 30 [2024-10-31 22:03:22,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:22,110 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2024-10-31 22:03:22,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-10-31 22:03:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2024-10-31 22:03:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-31 22:03:22,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:22,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:22,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:03:22,116 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:22,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1859613018, now seen corresponding path program 1 times [2024-10-31 22:03:22,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:22,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370388027] [2024-10-31 22:03:22,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:22,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:22,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:03:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:22,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:22,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370388027] [2024-10-31 22:03:22,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370388027] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:22,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:22,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:22,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611214842] [2024-10-31 22:03:22,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:22,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:03:22,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:22,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:03:22,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:03:22,343 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-31 22:03:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:22,446 INFO L93 Difference]: Finished difference Result 234 states and 307 transitions. [2024-10-31 22:03:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:03:22,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2024-10-31 22:03:22,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:22,452 INFO L225 Difference]: With dead ends: 234 [2024-10-31 22:03:22,452 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 22:03:22,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:03:22,456 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 35 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:22,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 160 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:03:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 22:03:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 22:03:22,462 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) [2024-10-31 22:03:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:03:22,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-10-31 22:03:22,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:22,466 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:03:22,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-31 22:03:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:03:22,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 22:03:22,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:03:22,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:03:22,477 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:03:22,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 22:03:23,032 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:03:23,090 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-10-31 22:03:23,096 WARN L156 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) [2024-10-31 22:03:23,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:03:23 BoogieIcfgContainer [2024-10-31 22:03:23,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:03:23,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:03:23,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:03:23,101 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:03:23,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:21" (3/4) ... [2024-10-31 22:03:23,108 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:03:23,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-31 22:03:23,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-10-31 22:03:23,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-31 22:03:23,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-10-31 22:03:23,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-31 22:03:23,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-31 22:03:23,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-31 22:03:23,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-10-31 22:03:23,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-10-31 22:03:23,130 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-31 22:03:23,131 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-31 22:03:23,131 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:03:23,132 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:03:23,133 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:03:23,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:03:23,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:03:23,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:03:23,261 INFO L158 Benchmark]: Toolchain (without parser) took 3473.67ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 105.2MB in the beginning and 101.4MB in the end (delta: 3.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-10-31 22:03:23,261 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:23,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.45ms. Allocated memory is still 136.3MB. Free memory was 105.2MB in the beginning and 83.8MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:23,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.58ms. Allocated memory is still 136.3MB. Free memory was 83.4MB in the beginning and 81.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:23,262 INFO L158 Benchmark]: Boogie Preprocessor took 61.32ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:23,263 INFO L158 Benchmark]: RCFGBuilder took 572.26ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 61.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:03:23,263 INFO L158 Benchmark]: TraceAbstraction took 2009.03ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 60.4MB in the beginning and 109.8MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:23,264 INFO L158 Benchmark]: Witness Printer took 159.35ms. Allocated memory is still 178.3MB. Free memory was 109.8MB in the beginning and 101.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:03:23,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.45ms. Allocated memory is still 136.3MB. Free memory was 105.2MB in the beginning and 83.8MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.58ms. Allocated memory is still 136.3MB. Free memory was 83.4MB in the beginning and 81.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.32ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.26ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 61.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2009.03ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 60.4MB in the beginning and 109.8MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 159.35ms. Allocated memory is still 178.3MB. Free memory was 109.8MB in the beginning and 101.4MB 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] - GenericResultAtLocation [Line: 387]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] * 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: 126]: 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, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 667 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 275 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 392 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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: 65]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 251]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((systemActive == \old(systemActive)) && (head == \old(head))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 167]: 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))) && (head == \old(head))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 917]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 929]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 794]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 143]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 905]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 175]: 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)) && (head == \old(head))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 259]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-10-31 22:03:23,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28db2df-5342-445f-a7f3-125783ad7509/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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