./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.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_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:03:20,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:03:20,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:03:20,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:03:20,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:03:20,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:03:20,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:03:20,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:03:20,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:03:20,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:03:20,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:03:20,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:03:20,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:03:20,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:03:20,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:03:20,746 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:03:20,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:03:20,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:03:20,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:03:20,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:03:20,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:03:20,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:03:20,748 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_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2024-12-02 14:03:20,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:03:20,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:03:20,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:03:21,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:03:21,000 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:03:21,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2024-12-02 14:03:23,701 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/data/199b89f23/16a27b15e4a447c8afc8819301288f4e/FLAG222bfa3d2 [2024-12-02 14:03:23,931 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:03:23,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2024-12-02 14:03:23,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/data/199b89f23/16a27b15e4a447c8afc8819301288f4e/FLAG222bfa3d2 [2024-12-02 14:03:23,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/data/199b89f23/16a27b15e4a447c8afc8819301288f4e [2024-12-02 14:03:23,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:03:23,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:03:23,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:03:23,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:03:23,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:03:23,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:03:23" (1/1) ... [2024-12-02 14:03:23,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2e311c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:23, skipping insertion in model container [2024-12-02 14:03:23,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:03:23" (1/1) ... [2024-12-02 14:03:24,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:03:24,170 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_a5a52779-839b-4572-9083-bb444056e142/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2024-12-02 14:03:24,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:03:24,280 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:03:24,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-12-02 14:03:24,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-12-02 14:03:24,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] [2024-12-02 14:03:24,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [192] [2024-12-02 14:03:24,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [293] [2024-12-02 14:03:24,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [496] [2024-12-02 14:03:24,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [561] [2024-12-02 14:03:24,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [927] [2024-12-02 14:03:24,298 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_a5a52779-839b-4572-9083-bb444056e142/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2024-12-02 14:03:24,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:03:24,366 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:03:24,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24 WrapperNode [2024-12-02 14:03:24,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:03:24,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:03:24,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:03:24,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:03:24,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,405 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 194 [2024-12-02 14:03:24,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:03:24,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:03:24,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:03:24,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:03:24,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,431 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:03:24,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:03:24,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:03:24,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:03:24,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:03:24,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (1/1) ... [2024-12-02 14:03:24,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:03:24,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:03:24,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:03:24,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:03:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:03:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 14:03:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 14:03:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 14:03:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 14:03:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 14:03:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 14:03:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 14:03:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 14:03:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 14:03:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 14:03:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-12-02 14:03:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-12-02 14:03:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-12-02 14:03:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-12-02 14:03:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-02 14:03:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-02 14:03:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:03:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 14:03:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 14:03:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:03:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:03:24,567 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:03:24,569 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:03:24,798 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-02 14:03:24,798 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:03:24,809 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:03:24,809 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 14:03:24,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:24 BoogieIcfgContainer [2024-12-02 14:03:24,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:03:24,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:03:24,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:03:24,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:03:24,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:03:23" (1/3) ... [2024-12-02 14:03:24,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c26a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:03:24, skipping insertion in model container [2024-12-02 14:03:24,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:24" (2/3) ... [2024-12-02 14:03:24,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c26a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:03:24, skipping insertion in model container [2024-12-02 14:03:24,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:24" (3/3) ... [2024-12-02 14:03:24,817 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2024-12-02 14:03:24,827 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:03:24,829 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product29.cil.c that has 10 procedures, 94 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 14:03:24,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:03:24,881 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;@875f9fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:03:24,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:03:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 76 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 14:03:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 14:03:24,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:03:24,892 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:03:24,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:03:24,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:03:24,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1006287309, now seen corresponding path program 1 times [2024-12-02 14:03:24,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:03:24,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222594390] [2024-12-02 14:03:24,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:03:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:03:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:03:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 14:03:25,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:03:25,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222594390] [2024-12-02 14:03:25,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222594390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:03:25,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:03:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:03:25,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107844404] [2024-12-02 14:03:25,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:03:25,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:03:25,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:03:25,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:03:25,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:03:25,066 INFO L87 Difference]: Start difference. First operand has 94 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 76 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:03:25,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:03:25,090 INFO L93 Difference]: Finished difference Result 179 states and 240 transitions. [2024-12-02 14:03:25,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:03:25,092 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-12-02 14:03:25,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:03:25,098 INFO L225 Difference]: With dead ends: 179 [2024-12-02 14:03:25,098 INFO L226 Difference]: Without dead ends: 85 [2024-12-02 14:03:25,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:03:25,102 INFO L435 NwaCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:03:25,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:03:25,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-12-02 14:03:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-12-02 14:03:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 68 states have internal predecessors, (79), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:03:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 108 transitions. [2024-12-02 14:03:25,133 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 108 transitions. Word has length 32 [2024-12-02 14:03:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:03:25,134 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 108 transitions. [2024-12-02 14:03:25,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:03:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2024-12-02 14:03:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-02 14:03:25,136 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:03:25,136 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:03:25,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:03:25,137 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:03:25,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:03:25,137 INFO L85 PathProgramCache]: Analyzing trace with hash 657517889, now seen corresponding path program 1 times [2024-12-02 14:03:25,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:03:25,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793460424] [2024-12-02 14:03:25,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:03:25,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:03:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:03:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 14:03:25,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:03:25,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793460424] [2024-12-02 14:03:25,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793460424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:03:25,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:03:25,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:03:25,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538638593] [2024-12-02 14:03:25,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:03:25,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:03:25,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:03:25,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:03:25,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:03:25,323 INFO L87 Difference]: Start difference. First operand 85 states and 108 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:03:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:03:25,479 INFO L93 Difference]: Finished difference Result 162 states and 211 transitions. [2024-12-02 14:03:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:03:25,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-12-02 14:03:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:03:25,481 INFO L225 Difference]: With dead ends: 162 [2024-12-02 14:03:25,481 INFO L226 Difference]: Without dead ends: 85 [2024-12-02 14:03:25,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:03:25,483 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 165 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:03:25,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 250 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:03:25,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-12-02 14:03:25,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-12-02 14:03:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 61 states have (on average 1.278688524590164) internal successors, (78), 68 states have internal predecessors, (78), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:03:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 107 transitions. [2024-12-02 14:03:25,495 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 107 transitions. Word has length 36 [2024-12-02 14:03:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:03:25,496 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 107 transitions. [2024-12-02 14:03:25,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:03:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2024-12-02 14:03:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-02 14:03:25,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:03:25,498 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:03:25,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:03:25,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:03:25,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:03:25,499 INFO L85 PathProgramCache]: Analyzing trace with hash -196031591, now seen corresponding path program 1 times [2024-12-02 14:03:25,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:03:25,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199694041] [2024-12-02 14:03:25,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:03:25,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:03:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:03:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:03:25,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:03:25,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199694041] [2024-12-02 14:03:25,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199694041] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:03:25,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:03:25,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:03:25,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545658380] [2024-12-02 14:03:25,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:03:25,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:03:25,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:03:25,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:03:25,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:03:25,641 INFO L87 Difference]: Start difference. First operand 85 states and 107 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-02 14:03:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:03:25,809 INFO L93 Difference]: Finished difference Result 138 states and 179 transitions. [2024-12-02 14:03:25,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:03:25,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-12-02 14:03:25,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:03:25,810 INFO L225 Difference]: With dead ends: 138 [2024-12-02 14:03:25,810 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:03:25,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:03:25,812 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 78 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:03:25,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 201 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:03:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:03:25,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:03:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:03:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:03:25,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2024-12-02 14:03:25,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:03:25,814 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:03:25,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-02 14:03:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:03:25,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:03:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:03:25,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:03:25,819 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 14:03:25,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:03:26,188 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:03:26,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:03:26 BoogieIcfgContainer [2024-12-02 14:03:26,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:03:26,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:03:26,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:03:26,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:03:26,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:24" (3/4) ... [2024-12-02 14:03:26,205 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:03:26,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-12-02 14:03:26,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-12-02 14:03:26,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-12-02 14:03:26,208 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-12-02 14:03:26,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-12-02 14:03:26,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-12-02 14:03:26,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-12-02 14:03:26,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-12-02 14:03:26,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-12-02 14:03:26,214 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-02 14:03:26,214 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 14:03:26,214 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 14:03:26,214 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:03:26,215 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:03:26,234 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) [2024-12-02 14:03:26,254 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) [2024-12-02 14:03:26,293 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:03:26,293 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:03:26,293 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:03:26,294 INFO L158 Benchmark]: Toolchain (without parser) took 2327.80ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 97.0MB in the end (delta: 19.0MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-12-02 14:03:26,294 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:03:26,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.70ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 97.3MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:03:26,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.64ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:03:26,295 INFO L158 Benchmark]: Boogie Preprocessor took 37.34ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:03:26,295 INFO L158 Benchmark]: RCFGBuilder took 365.43ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 77.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:03:26,295 INFO L158 Benchmark]: TraceAbstraction took 1390.24ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 103.5MB in the end (delta: -27.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-12-02 14:03:26,296 INFO L158 Benchmark]: Witness Printer took 90.73ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 97.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:03:26,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.70ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 97.3MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.64ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.34ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 365.43ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 77.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1390.24ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 103.5MB in the end (delta: -27.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 90.73ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 97.0MB in the end (delta: 6.6MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [96] - GenericResultAtLocation [Line: 192]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [192] - GenericResultAtLocation [Line: 293]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [293] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [496] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [561] - GenericResultAtLocation [Line: 927]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [927] * 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: 92]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 568 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 298 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 270 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 205]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) - InvariantResult [Line: 506]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (1 == systemActive)) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (1 == systemActive)) RESULT: Ultimate proved your program to be correct! [2024-12-02 14:03:26,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5a52779-839b-4572-9083-bb444056e142/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE