./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC --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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:21:38,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:21:38,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:21:38,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:21:38,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:21:38,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:21:38,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:21:38,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:21:38,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:21:38,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:21:38,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:21:38,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:21:38,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:21:38,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:21:38,541 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:21:38,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:21:38,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:21:38,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:21:38,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:21:38,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:21:38,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:21:38,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:21:38,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:21:38,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:21:38,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:21:38,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:21:38,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:21:38,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:21:38,544 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:21:38,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:21:38,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:21:38,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:21:38,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:21:38,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:21:38,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:21:38,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:21:38,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:21:38,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:21:38,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:21:38,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:21:38,546 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_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC 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 -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2024-11-23 23:21:38,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:21:38,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:21:38,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:21:38,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:21:38,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:21:38,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2024-11-23 23:21:42,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/data/afdf31e10/e23535f357d1471aa5e84dd19abd370a/FLAGf93f2092d [2024-11-23 23:21:42,597 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:21:42,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2024-11-23 23:21:42,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/data/afdf31e10/e23535f357d1471aa5e84dd19abd370a/FLAGf93f2092d [2024-11-23 23:21:42,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/data/afdf31e10/e23535f357d1471aa5e84dd19abd370a [2024-11-23 23:21:42,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:21:42,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:21:42,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:21:42,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:21:42,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:21:42,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:42" (1/1) ... [2024-11-23 23:21:42,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51053fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:42, skipping insertion in model container [2024-11-23 23:21:42,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:42" (1/1) ... [2024-11-23 23:21:42,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:21:43,112 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_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2024-11-23 23:21:43,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:21:43,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:21:43,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-23 23:21:43,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] [2024-11-23 23:21:43,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] [2024-11-23 23:21:43,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] [2024-11-23 23:21:43,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] [2024-11-23 23:21:43,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2024-11-23 23:21:43,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] [2024-11-23 23:21:43,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] [2024-11-23 23:21:43,314 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_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2024-11-23 23:21:43,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:21:43,355 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:21:43,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43 WrapperNode [2024-11-23 23:21:43,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:21:43,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:21:43,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:21:43,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:21:43,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,429 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 190 [2024-11-23 23:21:43,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:21:43,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:21:43,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:21:43,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:21:43,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,461 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]. [2024-11-23 23:21:43,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,467 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:21:43,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:21:43,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:21:43,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:21:43,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ... [2024-11-23 23:21:43,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:21:43,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:21:43,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:21:43,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:21:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:21:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-23 23:21:43,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-23 23:21:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-23 23:21:43,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-23 23:21:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-23 23:21:43,572 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-23 23:21:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-23 23:21:43,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-23 23:21:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-23 23:21:43,575 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-23 23:21:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-23 23:21:43,575 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-23 23:21:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-23 23:21:43,576 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-23 23:21:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:21:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-23 23:21:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-23 23:21:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:21:43,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:21:43,700 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:21:43,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:21:44,104 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-23 23:21:44,104 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:21:44,129 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:21:44,133 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:21:44,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:44 BoogieIcfgContainer [2024-11-23 23:21:44,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:21:44,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:21:44,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:21:44,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:21:44,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:21:42" (1/3) ... [2024-11-23 23:21:44,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0d7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:44, skipping insertion in model container [2024-11-23 23:21:44,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (2/3) ... [2024-11-23 23:21:44,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0d7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:44, skipping insertion in model container [2024-11-23 23:21:44,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:44" (3/3) ... [2024-11-23 23:21:44,148 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2024-11-23 23:21:44,166 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:21:44,168 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product23.cil.c that has 9 procedures, 91 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-23 23:21:44,251 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:21:44,266 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;@4751b33d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:21:44,266 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:21:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 66 states have (on average 1.393939393939394) internal successors, (92), 75 states have internal predecessors, (92), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 23:21:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 23:21:44,286 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:44,286 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] [2024-11-23 23:21:44,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:44,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:44,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1219572798, now seen corresponding path program 1 times [2024-11-23 23:21:44,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:44,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820523605] [2024-11-23 23:21:44,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:21:44,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:44,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820523605] [2024-11-23 23:21:44,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820523605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:44,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:21:44,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:21:44,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283936246] [2024-11-23 23:21:44,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:44,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:21:44,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:44,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:21:44,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:21:44,637 INFO L87 Difference]: Start difference. First operand has 91 states, 66 states have (on average 1.393939393939394) internal successors, (92), 75 states have internal predecessors, (92), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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) [2024-11-23 23:21:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:44,689 INFO L93 Difference]: Finished difference Result 173 states and 238 transitions. [2024-11-23 23:21:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:21:44,693 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 [2024-11-23 23:21:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:44,704 INFO L225 Difference]: With dead ends: 173 [2024-11-23 23:21:44,704 INFO L226 Difference]: Without dead ends: 82 [2024-11-23 23:21:44,710 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 [2024-11-23 23:21:44,717 INFO L435 NwaCegarLoop]: 116 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, 116 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 [2024-11-23 23:21:44,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:21:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-23 23:21:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-23 23:21:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 67 states have internal predecessors, (78), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 23:21:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2024-11-23 23:21:44,787 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 25 [2024-11-23 23:21:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:44,787 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2024-11-23 23:21:44,787 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) [2024-11-23 23:21:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2024-11-23 23:21:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-23 23:21:44,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:44,790 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] [2024-11-23 23:21:44,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:21:44,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:44,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 749496388, now seen corresponding path program 1 times [2024-11-23 23:21:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:44,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096393329] [2024-11-23 23:21:44,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:21:45,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:45,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096393329] [2024-11-23 23:21:45,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096393329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:45,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:21:45,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:21:45,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133241503] [2024-11-23 23:21:45,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:45,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:21:45,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:45,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:21:45,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:21:45,005 INFO L87 Difference]: Start difference. First operand 82 states and 107 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) [2024-11-23 23:21:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:45,027 INFO L93 Difference]: Finished difference Result 127 states and 165 transitions. [2024-11-23 23:21:45,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:21:45,028 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 [2024-11-23 23:21:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:45,030 INFO L225 Difference]: With dead ends: 127 [2024-11-23 23:21:45,030 INFO L226 Difference]: Without dead ends: 74 [2024-11-23 23:21:45,031 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 [2024-11-23 23:21:45,032 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 170 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 [2024-11-23 23:21:45,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:21:45,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-23 23:21:45,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-23 23:21:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 23:21:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2024-11-23 23:21:45,045 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 25 [2024-11-23 23:21:45,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:45,045 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2024-11-23 23:21:45,046 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) [2024-11-23 23:21:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2024-11-23 23:21:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-23 23:21:45,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:45,047 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] [2024-11-23 23:21:45,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:21:45,048 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:45,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash 407019084, now seen corresponding path program 1 times [2024-11-23 23:21:45,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:45,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383099702] [2024-11-23 23:21:45,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:45,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:21:45,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:45,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383099702] [2024-11-23 23:21:45,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383099702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:45,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:21:45,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:21:45,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293737796] [2024-11-23 23:21:45,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:45,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:21:45,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:45,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:21:45,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:21:45,256 INFO L87 Difference]: Start difference. First operand 74 states and 96 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) [2024-11-23 23:21:45,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:45,589 INFO L93 Difference]: Finished difference Result 247 states and 328 transitions. [2024-11-23 23:21:45,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:21:45,590 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 [2024-11-23 23:21:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:45,595 INFO L225 Difference]: With dead ends: 247 [2024-11-23 23:21:45,596 INFO L226 Difference]: Without dead ends: 181 [2024-11-23 23:21:45,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:21:45,598 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 165 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:21:45,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 430 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:21:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-23 23:21:45,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 175. [2024-11-23 23:21:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 126 states have (on average 1.373015873015873) internal successors, (173), 144 states have internal predecessors, (173), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2024-11-23 23:21:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-11-23 23:21:45,660 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 29 [2024-11-23 23:21:45,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:45,661 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-11-23 23:21:45,661 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) [2024-11-23 23:21:45,661 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-23 23:21:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-23 23:21:45,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:45,667 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] [2024-11-23 23:21:45,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:21:45,667 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:45,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:45,668 INFO L85 PathProgramCache]: Analyzing trace with hash 336688726, now seen corresponding path program 1 times [2024-11-23 23:21:45,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:21:45,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809300417] [2024-11-23 23:21:45,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:21:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:21:45,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:21:45,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809300417] [2024-11-23 23:21:45,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809300417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:21:45,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:21:45,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:21:45,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098371933] [2024-11-23 23:21:45,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:45,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:21:45,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:21:45,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:21:45,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:21:45,888 INFO L87 Difference]: Start difference. First operand 175 states and 232 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) [2024-11-23 23:21:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:46,020 INFO L93 Difference]: Finished difference Result 293 states and 392 transitions. [2024-11-23 23:21:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:21:46,021 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 [2024-11-23 23:21:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:46,022 INFO L225 Difference]: With dead ends: 293 [2024-11-23 23:21:46,022 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:21:46,024 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 [2024-11-23 23:21:46,025 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 [2024-11-23 23:21:46,025 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] [2024-11-23 23:21:46,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:21:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:21:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:21:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:21:46,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-23 23:21:46,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:46,029 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:21:46,029 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) [2024-11-23 23:21:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:21:46,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:21:46,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:21:46,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:21:46,038 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 23:21:46,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:21:46,753 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:21:46,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:21:46 BoogieIcfgContainer [2024-11-23 23:21:46,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:21:46,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:21:46,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:21:46,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:21:46,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:44" (3/4) ... [2024-11-23 23:21:46,780 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:21:46,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-23 23:21:46,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-23 23:21:46,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-23 23:21:46,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-23 23:21:46,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-23 23:21:46,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-23 23:21:46,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-23 23:21:46,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-23 23:21:46,797 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-23 23:21:46,797 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-23 23:21:46,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:21:46,799 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:21:46,800 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:21:46,942 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:21:46,943 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:21:46,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:21:46,944 INFO L158 Benchmark]: Toolchain (without parser) took 4287.28ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 57.0MB in the end (delta: 34.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-23 23:21:46,944 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:21:46,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.55ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.7MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:21:46,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.01ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 70.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:21:46,945 INFO L158 Benchmark]: Boogie Preprocessor took 48.51ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:21:46,947 INFO L158 Benchmark]: RCFGBuilder took 654.44ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 53.0MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:21:46,947 INFO L158 Benchmark]: TraceAbstraction took 2635.85ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 63.3MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:21:46,948 INFO L158 Benchmark]: Witness Printer took 169.61ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 57.0MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:21:46,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.55ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.7MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.01ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 70.8MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.51ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 654.44ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 53.0MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2635.85ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 63.3MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 169.61ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 57.0MB in the end (delta: 6.3MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] * 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: 557]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 873 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 499 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 374 mSDtfsCounter, 120 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=175occurred 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, 0.6s 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: 574]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-23 23:21:46,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c74930b-edb3-4218-bdad-3cf3a78bd9a1/bin/uautomizer-verify-LYvppIcaGC/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