./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/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_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1 --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 0.3.0-dev-d790fec [2024-12-02 13:04:27,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:04:27,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:04:27,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:04:27,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:04:27,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:04:27,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:04:27,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:04:27,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:04:27,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:04:27,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:04:27,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:04:27,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:04:27,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:04:27,268 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:04:27,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:04:27,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:04:27,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:04:27,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:04:27,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:04:27,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:04:27,271 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 13:04:27,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:04:27,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:04:27,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:04:27,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:04:27,508 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:04:27,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-12-02 13:04:30,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/data/0a98ba05c/5dbd36e0686441459279a96acb9b056d/FLAGd4bf62660 [2024-12-02 13:04:30,359 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:04:30,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-12-02 13:04:30,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/data/0a98ba05c/5dbd36e0686441459279a96acb9b056d/FLAGd4bf62660 [2024-12-02 13:04:30,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/data/0a98ba05c/5dbd36e0686441459279a96acb9b056d [2024-12-02 13:04:30,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:04:30,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:04:30,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:04:30,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:04:30,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:04:30,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:04:30" (1/1) ... [2024-12-02 13:04:30,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d2fcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:30, skipping insertion in model container [2024-12-02 13:04:30,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:04:30" (1/1) ... [2024-12-02 13:04:30,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:04:30,880 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_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2024-12-02 13:04:30,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:04:30,973 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:04:30,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-12-02 13:04:30,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] [2024-12-02 13:04:30,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2024-12-02 13:04:30,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] [2024-12-02 13:04:30,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] [2024-12-02 13:04:30,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] [2024-12-02 13:04:30,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] [2024-12-02 13:04:30,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] [2024-12-02 13:04:30,988 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_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c[2627,2640] [2024-12-02 13:04:31,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:04:31,042 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:04:31,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31 WrapperNode [2024-12-02 13:04:31,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:04:31,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:04:31,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:04:31,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:04:31,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,078 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 181 [2024-12-02 13:04:31,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:04:31,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:04:31,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:04:31,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:04:31,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,105 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]. [2024-12-02 13:04:31,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:04:31,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:04:31,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:04:31,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:04:31,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (1/1) ... [2024-12-02 13:04:31,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:04:31,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:04:31,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:04:31,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:04:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:04:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 13:04:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 13:04:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-12-02 13:04:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-12-02 13:04:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 13:04:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 13:04:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 13:04:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 13:04:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 13:04:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 13:04:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 13:04:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 13:04:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-12-02 13:04:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-12-02 13:04:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-02 13:04:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-02 13:04:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:04:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 13:04:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 13:04:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:04:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:04:31,214 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:04:31,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:04:31,412 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-12-02 13:04:31,412 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:04:31,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:04:31,422 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 13:04:31,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:04:31 BoogieIcfgContainer [2024-12-02 13:04:31,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:04:31,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:04:31,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:04:31,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:04:31,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:04:30" (1/3) ... [2024-12-02 13:04:31,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e559222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:04:31, skipping insertion in model container [2024-12-02 13:04:31,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:04:31" (2/3) ... [2024-12-02 13:04:31,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e559222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:04:31, skipping insertion in model container [2024-12-02 13:04:31,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:04:31" (3/3) ... [2024-12-02 13:04:31,431 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2024-12-02 13:04:31,441 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:04:31,442 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product31.cil.c that has 10 procedures, 95 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 13:04:31,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:04:31,493 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;@3a02daa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:04:31,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:04:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 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) [2024-12-02 13:04:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 13:04:31,503 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:31,503 INFO L218 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] [2024-12-02 13:04:31,503 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:31,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:31,507 INFO L85 PathProgramCache]: Analyzing trace with hash -729936260, now seen corresponding path program 1 times [2024-12-02 13:04:31,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:31,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081812221] [2024-12-02 13:04:31,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:31,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:04:31,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:31,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081812221] [2024-12-02 13:04:31,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081812221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:31,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:31,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:04:31,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116921385] [2024-12-02 13:04:31,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:31,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:04:31,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:31,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:04:31,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:04:31,668 INFO L87 Difference]: Start difference. First operand has 95 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 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) [2024-12-02 13:04:31,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:31,693 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2024-12-02 13:04:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:04:31,694 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 [2024-12-02 13:04:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:31,700 INFO L225 Difference]: With dead ends: 181 [2024-12-02 13:04:31,700 INFO L226 Difference]: Without dead ends: 86 [2024-12-02 13:04:31,703 INFO L434 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 [2024-12-02 13:04:31,705 INFO L435 NwaCegarLoop]: 120 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, 120 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 [2024-12-02 13:04:31,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:04:31,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-12-02 13:04:31,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-12-02 13:04:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 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) [2024-12-02 13:04:31,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2024-12-02 13:04:31,734 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2024-12-02 13:04:31,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:31,734 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2024-12-02 13:04:31,734 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) [2024-12-02 13:04:31,735 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2024-12-02 13:04:31,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 13:04:31,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:31,736 INFO L218 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] [2024-12-02 13:04:31,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:04:31,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:31,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1200012670, now seen corresponding path program 1 times [2024-12-02 13:04:31,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:31,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244751919] [2024-12-02 13:04:31,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:04:31,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:31,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244751919] [2024-12-02 13:04:31,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244751919] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:31,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:31,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:04:31,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268294711] [2024-12-02 13:04:31,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:31,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:04:31,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:31,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:04:31,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:04:31,846 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2024-12-02 13:04:31,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:31,864 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2024-12-02 13:04:31,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:04:31,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 [2024-12-02 13:04:31,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:31,866 INFO L225 Difference]: With dead ends: 135 [2024-12-02 13:04:31,866 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 13:04:31,866 INFO L434 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 [2024-12-02 13:04:31,867 INFO L435 NwaCegarLoop]: 99 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, 178 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 [2024-12-02 13:04:31,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 178 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:04:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 13:04:31,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-12-02 13:04:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 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) [2024-12-02 13:04:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2024-12-02 13:04:31,874 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 25 [2024-12-02 13:04:31,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:31,874 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2024-12-02 13:04:31,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2024-12-02 13:04:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2024-12-02 13:04:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-02 13:04:31,876 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:31,876 INFO L218 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] [2024-12-02 13:04:31,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:04:31,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:31,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash 197376138, now seen corresponding path program 1 times [2024-12-02 13:04:31,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:31,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586877852] [2024-12-02 13:04:31,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:31,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:04:32,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:32,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586877852] [2024-12-02 13:04:32,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586877852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:32,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:32,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:04:32,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255627134] [2024-12-02 13:04:32,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:32,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:04:32,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:32,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:04:32,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:04:32,009 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-12-02 13:04:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:32,196 INFO L93 Difference]: Finished difference Result 259 states and 340 transitions. [2024-12-02 13:04:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:04:32,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 29 [2024-12-02 13:04:32,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:32,198 INFO L225 Difference]: With dead ends: 259 [2024-12-02 13:04:32,198 INFO L226 Difference]: Without dead ends: 189 [2024-12-02 13:04:32,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:04:32,200 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 173 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:32,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 441 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:04:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-12-02 13:04:32,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 183. [2024-12-02 13:04:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 130 states have (on average 1.3615384615384616) internal successors, (177), 148 states have internal predecessors, (177), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2024-12-02 13:04:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 240 transitions. [2024-12-02 13:04:32,227 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 240 transitions. Word has length 29 [2024-12-02 13:04:32,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:32,227 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 240 transitions. [2024-12-02 13:04:32,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-12-02 13:04:32,227 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 240 transitions. [2024-12-02 13:04:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-02 13:04:32,229 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:32,229 INFO L218 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] [2024-12-02 13:04:32,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:04:32,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:32,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:32,230 INFO L85 PathProgramCache]: Analyzing trace with hash -799559404, now seen corresponding path program 1 times [2024-12-02 13:04:32,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:32,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973401086] [2024-12-02 13:04:32,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:32,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:04:32,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:32,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973401086] [2024-12-02 13:04:32,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973401086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:32,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:32,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:04:32,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336011943] [2024-12-02 13:04:32,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:32,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:04:32,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:32,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:04:32,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:04:32,327 INFO L87 Difference]: Start difference. First operand 183 states and 240 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-12-02 13:04:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:32,374 INFO L93 Difference]: Finished difference Result 301 states and 400 transitions. [2024-12-02 13:04:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:04:32,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 33 [2024-12-02 13:04:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:32,375 INFO L225 Difference]: With dead ends: 301 [2024-12-02 13:04:32,376 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:04:32,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:04:32,378 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 35 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 157 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 [2024-12-02 13:04:32,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 157 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:04:32,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:04:32,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:04:32,379 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) [2024-12-02 13:04:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:04:32,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-12-02 13:04:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:32,379 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:04:32,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-12-02 13:04:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:04:32,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:04:32,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:04:32,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:04:32,384 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 13:04:32,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:04:32,813 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:04:32,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:04:32 BoogieIcfgContainer [2024-12-02 13:04:32,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:04:32,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:04:32,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:04:32,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:04:32,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:04:31" (3/4) ... [2024-12-02 13:04:32,826 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:04:32,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-12-02 13:04:32,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-12-02 13:04:32,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-12-02 13:04:32,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-12-02 13:04:32,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-12-02 13:04:32,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-12-02 13:04:32,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-12-02 13:04:32,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-12-02 13:04:32,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-12-02 13:04:32,834 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-12-02 13:04:32,835 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 13:04:32,835 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 13:04:32,835 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:04:32,835 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:04:32,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:04:32,904 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:04:32,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:04:32,904 INFO L158 Benchmark]: Toolchain (without parser) took 2205.31ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.9MB in the end (delta: 17.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-12-02 13:04:32,904 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:04:32,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.18ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 97.7MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:04:32,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.66ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 95.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:04:32,905 INFO L158 Benchmark]: Boogie Preprocessor took 37.69ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 93.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:04:32,906 INFO L158 Benchmark]: RCFGBuilder took 305.62ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 77.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:04:32,906 INFO L158 Benchmark]: TraceAbstraction took 1398.14ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 105.2MB in the end (delta: -28.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-12-02 13:04:32,906 INFO L158 Benchmark]: Witness Printer took 80.14ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 98.9MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:04:32,908 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.18ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 97.7MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.66ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 95.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.69ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 93.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 305.62ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 77.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1398.14ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 105.2MB in the end (delta: -28.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 80.14ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 98.9MB in the end (delta: 6.2MB). There was no memory consumed. 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, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 228 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 224 mSDsluCounter, 896 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 511 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 385 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 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, ConComCheckerStatistics: 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 RESULT: Ultimate proved your program to be correct! [2024-12-02 13:04:32,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44cf389-0791-4d59-ab08-3b2ef0d6a9f9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE