./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product22.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_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/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_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/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_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/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 1f2870beb38cc74f17a96c393839e7d6d2f1f4f9c95ce97be38a991d6b510bc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:13:01,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:13:01,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:13:01,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:13:01,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:13:01,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:13:01,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:13:01,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:13:01,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:13:01,114 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:13:01,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:13:01,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:13:01,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:13:01,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:13:01,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:13:01,116 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:01,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:13:01,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:01,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:13:01,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:13:01,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:13:01,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:13:01,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:13:01,118 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_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/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 -> 1f2870beb38cc74f17a96c393839e7d6d2f1f4f9c95ce97be38a991d6b510bc3 [2024-12-01 23:13:01,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:13:01,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:13:01,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:13:01,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:13:01,359 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:13:01,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c [2024-12-01 23:13:04,144 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/data/b23aaba2d/d49f2633b57d4452bb96306580195922/FLAG2d021f94b [2024-12-01 23:13:04,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:13:04,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c [2024-12-01 23:13:04,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/data/b23aaba2d/d49f2633b57d4452bb96306580195922/FLAG2d021f94b [2024-12-01 23:13:04,725 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/data/b23aaba2d/d49f2633b57d4452bb96306580195922 [2024-12-01 23:13:04,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:13:04,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:13:04,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:04,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:13:04,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:13:04,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:04" (1/1) ... [2024-12-01 23:13:04,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a0fc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:04, skipping insertion in model container [2024-12-01 23:13:04,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:04" (1/1) ... [2024-12-01 23:13:04,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:13:04,995 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_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c[18514,18527] [2024-12-01 23:13:04,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:05,007 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:13:05,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-12-01 23:13:05,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2024-12-01 23:13:05,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [288] [2024-12-01 23:13:05,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [339] [2024-12-01 23:13:05,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [409] [2024-12-01 23:13:05,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2024-12-01 23:13:05,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [872] [2024-12-01 23:13:05,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [961] [2024-12-01 23:13:05,062 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_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c[18514,18527] [2024-12-01 23:13:05,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:05,079 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:13:05,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05 WrapperNode [2024-12-01 23:13:05,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:05,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:05,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:13:05,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:13:05,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,117 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 197 [2024-12-01 23:13:05,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:05,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:13:05,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:13:05,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:13:05,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,140 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]. [2024-12-01 23:13:05,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:13:05,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:13:05,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:13:05,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:13:05,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (1/1) ... [2024-12-01 23:13:05,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:05,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:05,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:13:05,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:13:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:13:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-01 23:13:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-01 23:13:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-01 23:13:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-01 23:13:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-01 23:13:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-01 23:13:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-01 23:13:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-01 23:13:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-12-01 23:13:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-12-01 23:13:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-12-01 23:13:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-12-01 23:13:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-01 23:13:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-01 23:13:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:13:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-01 23:13:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-01 23:13:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:13:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:13:05,269 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:13:05,270 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:13:05,477 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-12-01 23:13:05,477 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:13:05,486 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:13:05,486 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-01 23:13:05,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:05 BoogieIcfgContainer [2024-12-01 23:13:05,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:13:05,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:13:05,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:13:05,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:13:05,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:04" (1/3) ... [2024-12-01 23:13:05,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118facaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:05, skipping insertion in model container [2024-12-01 23:13:05,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:05" (2/3) ... [2024-12-01 23:13:05,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118facaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:05, skipping insertion in model container [2024-12-01 23:13:05,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:05" (3/3) ... [2024-12-01 23:13:05,496 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product22.cil.c [2024-12-01 23:13:05,511 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:13:05,512 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product22.cil.c that has 9 procedures, 91 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-01 23:13:05,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:13:05,570 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;@4f6d601b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:13:05,570 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:13:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 67 states have (on average 1.373134328358209) internal successors, (92), 75 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-01 23:13:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-01 23:13:05,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:05,582 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] [2024-12-01 23:13:05,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:05,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1132827224, now seen corresponding path program 1 times [2024-12-01 23:13:05,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:05,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861406651] [2024-12-01 23:13:05,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:05,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-01 23:13:05,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:05,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861406651] [2024-12-01 23:13:05,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861406651] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:05,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:05,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:13:05,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125960797] [2024-12-01 23:13:05,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:05,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:13:05,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:05,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:13:05,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:13:05,778 INFO L87 Difference]: Start difference. First operand has 91 states, 67 states have (on average 1.373134328358209) internal successors, (92), 75 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) 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) [2024-12-01 23:13:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:05,803 INFO L93 Difference]: Finished difference Result 173 states and 234 transitions. [2024-12-01 23:13:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:13:05,804 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 [2024-12-01 23:13:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:05,811 INFO L225 Difference]: With dead ends: 173 [2024-12-01 23:13:05,811 INFO L226 Difference]: Without dead ends: 82 [2024-12-01 23:13:05,814 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 [2024-12-01 23:13:05,816 INFO L435 NwaCegarLoop]: 114 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, 114 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 [2024-12-01 23:13:05,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:13:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-01 23:13:05,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-12-01 23:13:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.3) internal successors, (78), 67 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-01 23:13:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2024-12-01 23:13:05,846 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 32 [2024-12-01 23:13:05,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:05,846 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2024-12-01 23:13:05,846 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) [2024-12-01 23:13:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2024-12-01 23:13:05,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-01 23:13:05,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:05,849 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] [2024-12-01 23:13:05,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 23:13:05,849 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:05,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:05,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1534867742, now seen corresponding path program 1 times [2024-12-01 23:13:05,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:05,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008051285] [2024-12-01 23:13:05,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-01 23:13:05,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:05,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008051285] [2024-12-01 23:13:05,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008051285] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:05,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:05,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:05,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377258903] [2024-12-01 23:13:05,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:05,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:05,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:05,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:05,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:05,956 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2024-12-01 23:13:05,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:05,972 INFO L93 Difference]: Finished difference Result 130 states and 166 transitions. [2024-12-01 23:13:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:05,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 [2024-12-01 23:13:05,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:05,973 INFO L225 Difference]: With dead ends: 130 [2024-12-01 23:13:05,974 INFO L226 Difference]: Without dead ends: 74 [2024-12-01 23:13:05,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:05,975 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 13 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:05,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:13:05,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-01 23:13:05,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-12-01 23:13:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-01 23:13:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2024-12-01 23:13:05,982 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 32 [2024-12-01 23:13:05,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:05,982 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2024-12-01 23:13:05,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2024-12-01 23:13:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2024-12-01 23:13:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-01 23:13:05,984 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:05,984 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] [2024-12-01 23:13:05,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:13:05,984 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:05,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:05,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1776030729, now seen corresponding path program 1 times [2024-12-01 23:13:05,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:05,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281186744] [2024-12-01 23:13:05,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:05,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:06,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-01 23:13:06,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:06,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281186744] [2024-12-01 23:13:06,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281186744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:06,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:06,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:06,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145703429] [2024-12-01 23:13:06,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:06,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:06,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:06,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:06,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:06,070 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-12-01 23:13:06,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:06,089 INFO L93 Difference]: Finished difference Result 140 states and 181 transitions. [2024-12-01 23:13:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:06,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2024-12-01 23:13:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:06,091 INFO L225 Difference]: With dead ends: 140 [2024-12-01 23:13:06,091 INFO L226 Difference]: Without dead ends: 74 [2024-12-01 23:13:06,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:06,092 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 84 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:06,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 92 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:13:06,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-01 23:13:06,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-12-01 23:13:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.290909090909091) internal successors, (71), 62 states have internal predecessors, (71), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-01 23:13:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2024-12-01 23:13:06,101 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 37 [2024-12-01 23:13:06,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:06,102 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2024-12-01 23:13:06,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-12-01 23:13:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2024-12-01 23:13:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-01 23:13:06,104 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:06,104 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, 1] [2024-12-01 23:13:06,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:13:06,104 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:06,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1430995959, now seen corresponding path program 1 times [2024-12-01 23:13:06,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:06,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661726988] [2024-12-01 23:13:06,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-01 23:13:06,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:06,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661726988] [2024-12-01 23:13:06,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661726988] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:06,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:06,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-01 23:13:06,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197675147] [2024-12-01 23:13:06,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:06,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:13:06,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:06,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:13:06,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:13:06,250 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-12-01 23:13:06,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:06,422 INFO L93 Difference]: Finished difference Result 120 states and 153 transitions. [2024-12-01 23:13:06,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:13:06,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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 47 [2024-12-01 23:13:06,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:06,423 INFO L225 Difference]: With dead ends: 120 [2024-12-01 23:13:06,423 INFO L226 Difference]: Without dead ends: 0 [2024-12-01 23:13:06,424 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 [2024-12-01 23:13:06,425 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 67 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:06,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 172 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:06,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-01 23:13:06,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-01 23:13:06,426 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) [2024-12-01 23:13:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-01 23:13:06,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2024-12-01 23:13:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:06,426 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:13:06,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-12-01 23:13:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-01 23:13:06,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-01 23:13:06,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-01 23:13:06,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 23:13:06,431 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-01 23:13:06,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-01 23:13:06,732 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:13:06,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:06 BoogieIcfgContainer [2024-12-01 23:13:06,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:13:06,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:13:06,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:13:06,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:13:06,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:05" (3/4) ... [2024-12-01 23:13:06,746 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-12-01 23:13:06,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-12-01 23:13:06,754 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-12-01 23:13:06,754 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-01 23:13:06,755 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-01 23:13:06,755 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-01 23:13:06,755 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-01 23:13:06,831 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-01 23:13:06,831 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-01 23:13:06,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:13:06,832 INFO L158 Benchmark]: Toolchain (without parser) took 2104.53ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 68.9MB in the end (delta: 22.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-12-01 23:13:06,832 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:13:06,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.18ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 72.8MB in the end (delta: 18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:13:06,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.48ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:13:06,833 INFO L158 Benchmark]: Boogie Preprocessor took 34.89ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:13:06,834 INFO L158 Benchmark]: RCFGBuilder took 333.72ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 53.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:13:06,834 INFO L158 Benchmark]: TraceAbstraction took 1254.08ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 76.2MB in the end (delta: -23.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-12-01 23:13:06,834 INFO L158 Benchmark]: Witness Printer took 88.10ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 68.9MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:13:06,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.18ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 72.8MB in the end (delta: 18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.48ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.89ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.72ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 53.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1254.08ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 76.2MB in the end (delta: -23.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Witness Printer took 88.10ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 68.9MB 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,"MinePump.i","") [87] - GenericResultAtLocation [Line: 288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [288] - GenericResultAtLocation [Line: 339]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [339] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [409] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [872] - GenericResultAtLocation [Line: 961]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [961] * 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: 966]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 548 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 340 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2024-12-01 23:13:06,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8a4761-10f5-46f8-a67a-de0f6bd763ac/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