./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB --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 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:46,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:46,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 19:50:46,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:46,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:46,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:46,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:46,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:46,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:50:46,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:50:46,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:46,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:46,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:46,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:46,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:46,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:46,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:46,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:46,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:46,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:46,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:46,476 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:46,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:46,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:46,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:46,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:46,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:46,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:46,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:46,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:46,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:46,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:46,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:46,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:46,479 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_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 [2024-11-27 19:50:46,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:46,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:46,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:46,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:46,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:46,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2024-11-27 19:50:49,716 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/data/fe79a51e2/7a16662a32da4223aeb1cf5969bd82b1/FLAG37de5ca55 [2024-11-27 19:50:49,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:49,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2024-11-27 19:50:49,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/data/fe79a51e2/7a16662a32da4223aeb1cf5969bd82b1/FLAG37de5ca55 [2024-11-27 19:50:50,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/data/fe79a51e2/7a16662a32da4223aeb1cf5969bd82b1 [2024-11-27 19:50:50,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:50,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:50,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:50,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:50,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:50,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec3c80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50, skipping insertion in model container [2024-11-27 19:50:50,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:50,396 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_20c8ef89-a68e-46bf-8cdf-1eee6031da95/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c[13075,13088] [2024-11-27 19:50:50,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:50,455 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:50,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-27 19:50:50,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-27 19:50:50,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [511] [2024-11-27 19:50:50,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] [2024-11-27 19:50:50,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] [2024-11-27 19:50:50,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [621] [2024-11-27 19:50:50,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [721] [2024-11-27 19:50:50,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [924] [2024-11-27 19:50:50,541 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_20c8ef89-a68e-46bf-8cdf-1eee6031da95/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c[13075,13088] [2024-11-27 19:50:50,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:50,591 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:50,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50 WrapperNode [2024-11-27 19:50:50,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:50,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:50,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:50,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:50,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,633 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 185 [2024-11-27 19:50:50,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:50,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:50,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:50,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:50,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,660 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]. [2024-11-27 19:50:50,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:50,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:50,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:50,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:50,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (1/1) ... [2024-11-27 19:50:50,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:50,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:50,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:50,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-27 19:50:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-27 19:50:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-27 19:50:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-27 19:50:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-27 19:50:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-27 19:50:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-27 19:50:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-27 19:50:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-27 19:50:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-27 19:50:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-27 19:50:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-27 19:50:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-27 19:50:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-27 19:50:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:50:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-27 19:50:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-27 19:50:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:50,854 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:50,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:51,202 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-27 19:50:51,202 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:51,220 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:51,221 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 19:50:51,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:51 BoogieIcfgContainer [2024-11-27 19:50:51,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:51,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:51,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:51,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:51,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:50" (1/3) ... [2024-11-27 19:50:51,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d09cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:51, skipping insertion in model container [2024-11-27 19:50:51,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:50" (2/3) ... [2024-11-27 19:50:51,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d09cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:51, skipping insertion in model container [2024-11-27 19:50:51,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:51" (3/3) ... [2024-11-27 19:50:51,234 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2024-11-27 19:50:51,251 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:51,255 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product24.cil.c that has 9 procedures, 90 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-27 19:50:51,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:51,349 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;@72df8284, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:51,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:50:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 74 states have internal predecessors, (90), 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) [2024-11-27 19:50:51,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-27 19:50:51,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:51,365 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] [2024-11-27 19:50:51,366 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:51,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:51,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1325085230, now seen corresponding path program 1 times [2024-11-27 19:50:51,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:51,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039054508] [2024-11-27 19:50:51,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:51,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:51,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:51,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:51,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039054508] [2024-11-27 19:50:51,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039054508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:51,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:51,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:50:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185235089] [2024-11-27 19:50:51,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:51,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:51,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:51,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:51,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:51,743 INFO L87 Difference]: Start difference. First operand has 90 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 74 states have internal predecessors, (90), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-27 19:50:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:51,787 INFO L93 Difference]: Finished difference Result 160 states and 215 transitions. [2024-11-27 19:50:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:51,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23 [2024-11-27 19:50:51,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:51,797 INFO L225 Difference]: With dead ends: 160 [2024-11-27 19:50:51,797 INFO L226 Difference]: Without dead ends: 73 [2024-11-27 19:50:51,800 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 [2024-11-27 19:50:51,804 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 173 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 [2024-11-27 19:50:51,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:50:51,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-27 19:50:51,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-27 19:50:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 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) [2024-11-27 19:50:51,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2024-11-27 19:50:51,859 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 23 [2024-11-27 19:50:51,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:51,859 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2024-11-27 19:50:51,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-27 19:50:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2024-11-27 19:50:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-27 19:50:51,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:51,864 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] [2024-11-27 19:50:51,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:50:51,864 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:51,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:51,865 INFO L85 PathProgramCache]: Analyzing trace with hash -416305443, now seen corresponding path program 1 times [2024-11-27 19:50:51,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:51,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361451068] [2024-11-27 19:50:51,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:51,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:52,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:52,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361451068] [2024-11-27 19:50:52,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361451068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:52,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:52,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:50:52,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963466365] [2024-11-27 19:50:52,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:52,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:50:52,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:52,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:50:52,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:50:52,086 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-27 19:50:52,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:52,203 INFO L93 Difference]: Finished difference Result 180 states and 235 transitions. [2024-11-27 19:50:52,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:50:52,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 28 [2024-11-27 19:50:52,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:52,207 INFO L225 Difference]: With dead ends: 180 [2024-11-27 19:50:52,207 INFO L226 Difference]: Without dead ends: 114 [2024-11-27 19:50:52,208 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 [2024-11-27 19:50:52,212 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 87 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:52,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 359 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:50:52,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-27 19:50:52,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2024-11-27 19:50:52,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 81 states have (on average 1.345679012345679) internal successors, (109), 92 states have internal predecessors, (109), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 12 states have call predecessors, (18), 17 states have call successors, (18) [2024-11-27 19:50:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 144 transitions. [2024-11-27 19:50:52,239 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 144 transitions. Word has length 28 [2024-11-27 19:50:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:52,241 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 144 transitions. [2024-11-27 19:50:52,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-27 19:50:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 144 transitions. [2024-11-27 19:50:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 19:50:52,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:52,243 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] [2024-11-27 19:50:52,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:50:52,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:52,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:52,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1986125116, now seen corresponding path program 1 times [2024-11-27 19:50:52,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:52,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766537231] [2024-11-27 19:50:52,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:52,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:52,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:52,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766537231] [2024-11-27 19:50:52,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766537231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:52,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:52,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:50:52,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060143759] [2024-11-27 19:50:52,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:52,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:50:52,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:52,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:50:52,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:50:52,449 INFO L87 Difference]: Start difference. First operand 111 states and 144 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-27 19:50:52,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:52,512 INFO L93 Difference]: Finished difference Result 188 states and 249 transitions. [2024-11-27 19:50:52,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:50:52,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2024-11-27 19:50:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:52,514 INFO L225 Difference]: With dead ends: 188 [2024-11-27 19:50:52,514 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 19:50:52,515 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 [2024-11-27 19:50:52,520 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 36 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 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 [2024-11-27 19:50:52,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 157 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:50:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 19:50:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 19:50:52,521 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) [2024-11-27 19:50:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 19:50:52,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-11-27 19:50:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:52,522 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:50:52,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-27 19:50:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 19:50:52,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 19:50:52,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 19:50:52,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:50:52,530 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 19:50:52,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 19:50:53,062 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:50:53,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:50:53 BoogieIcfgContainer [2024-11-27 19:50:53,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:50:53,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:50:53,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:50:53,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:50:53,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:51" (3/4) ... [2024-11-27 19:50:53,087 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 19:50:53,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-27 19:50:53,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-27 19:50:53,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-27 19:50:53,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-27 19:50:53,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-27 19:50:53,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-27 19:50:53,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-27 19:50:53,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-27 19:50:53,099 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-27 19:50:53,099 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 19:50:53,099 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 19:50:53,100 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 19:50:53,100 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 19:50:53,187 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:50:53,187 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:50:53,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:50:53,188 INFO L158 Benchmark]: Toolchain (without parser) took 3176.62ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.5MB in the end (delta: 10.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-27 19:50:53,189 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:53,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.58ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.3MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:50:53,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.09ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:53,190 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:53,190 INFO L158 Benchmark]: RCFGBuilder took 540.71ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 53.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:50:53,191 INFO L158 Benchmark]: TraceAbstraction took 1857.04ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 87.6MB in the end (delta: -34.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-27 19:50:53,191 INFO L158 Benchmark]: Witness Printer took 104.47ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 81.5MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:53,193 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.58ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.3MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.09ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 540.71ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 53.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1857.04ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 87.6MB in the end (delta: -34.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 104.47ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 81.5MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [511] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] - GenericResultAtLocation [Line: 621]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [621] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [721] - GenericResultAtLocation [Line: 924]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [924] * 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: 544]: 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, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 689 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 435 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 254 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 563]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 562]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-27 19:50:53,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c8ef89-a68e-46bf-8cdf-1eee6031da95/bin/uautomizer-verify-aQ6SnzHsRB/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