./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.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_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/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_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/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_6f8ea686-7121-4c72-bf03-2d93bc37a10f/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 af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:59:58,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:59:58,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:59:58,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:59:58,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:59:58,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:59:58,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:59:58,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:59:58,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:59:58,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:59:58,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:59:58,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:59:58,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:59:58,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:59:58,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:59:58,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:59:58,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:59:58,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:59:58,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:59:58,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:59:58,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:59:58,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:59:58,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:59:58,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:59:58,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:59:58,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:59:58,913 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_6f8ea686-7121-4c72-bf03-2d93bc37a10f/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 -> af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 [2024-12-02 10:59:59,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:59:59,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:59:59,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:59:59,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:59:59,136 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:59:59,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2024-12-02 11:00:01,754 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/data/b7fc90947/15ca30929c684e3fb7edea9e4268dcf2/FLAGa04a39445 [2024-12-02 11:00:01,998 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:00:01,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2024-12-02 11:00:02,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/data/b7fc90947/15ca30929c684e3fb7edea9e4268dcf2/FLAGa04a39445 [2024-12-02 11:00:02,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/data/b7fc90947/15ca30929c684e3fb7edea9e4268dcf2 [2024-12-02 11:00:02,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:00:02,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:00:02,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:00:02,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:00:02,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:00:02,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75174171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02, skipping insertion in model container [2024-12-02 11:00:02,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:00:02,470 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_6f8ea686-7121-4c72-bf03-2d93bc37a10f/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2024-12-02 11:00:02,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:00:02,568 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:00:02,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-12-02 11:00:02,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2024-12-02 11:00:02,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2024-12-02 11:00:02,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [247] [2024-12-02 11:00:02,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [317] [2024-12-02 11:00:02,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [398] [2024-12-02 11:00:02,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [494] [2024-12-02 11:00:02,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [860] [2024-12-02 11:00:02,579 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_6f8ea686-7121-4c72-bf03-2d93bc37a10f/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2024-12-02 11:00:02,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:00:02,639 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:00:02,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02 WrapperNode [2024-12-02 11:00:02,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:00:02,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:00:02,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:00:02,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:00:02,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,671 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 162 [2024-12-02 11:00:02,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:00:02,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:00:02,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:00:02,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:00:02,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,693 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 11:00:02,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:00:02,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:00:02,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:00:02,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:00:02,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (1/1) ... [2024-12-02 11:00:02,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:00:02,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:00:02,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:00:02,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:00:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:00:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 11:00:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 11:00:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 11:00:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 11:00:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-12-02 11:00:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-12-02 11:00:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 11:00:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 11:00:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 11:00:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 11:00:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:00:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 11:00:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 11:00:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:00:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:00:02,811 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:00:02,813 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:00:02,986 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-02 11:00:02,986 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:00:02,995 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:00:02,995 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 11:00:02,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:00:02 BoogieIcfgContainer [2024-12-02 11:00:02,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:00:02,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:00:02,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:00:03,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:00:03,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:00:02" (1/3) ... [2024-12-02 11:00:03,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e255412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:00:03, skipping insertion in model container [2024-12-02 11:00:03,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:02" (2/3) ... [2024-12-02 11:00:03,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e255412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:00:03, skipping insertion in model container [2024-12-02 11:00:03,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:00:02" (3/3) ... [2024-12-02 11:00:03,002 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2024-12-02 11:00:03,013 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:00:03,014 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product06.cil.c that has 7 procedures, 73 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 11:00:03,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:00:03,064 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;@213220a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:00:03,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:00:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 55 states have (on average 1.4) internal successors, (77), 61 states have internal predecessors, (77), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 11:00:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 11:00:03,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:00:03,073 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:00:03,073 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:00:03,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:00:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash -170359399, now seen corresponding path program 1 times [2024-12-02 11:00:03,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:00:03,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132675872] [2024-12-02 11:00:03,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:00:03,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:00:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:00:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:00:03,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:00:03,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132675872] [2024-12-02 11:00:03,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132675872] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:00:03,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:00:03,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:00:03,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388183111] [2024-12-02 11:00:03,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:00:03,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:00:03,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:00:03,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:00:03,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:00:03,237 INFO L87 Difference]: Start difference. First operand has 73 states, 55 states have (on average 1.4) internal successors, (77), 61 states have internal predecessors, (77), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 11:00:03,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:00:03,258 INFO L93 Difference]: Finished difference Result 138 states and 189 transitions. [2024-12-02 11:00:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:00:03,259 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-12-02 11:00:03,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:00:03,266 INFO L225 Difference]: With dead ends: 138 [2024-12-02 11:00:03,266 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 11:00:03,269 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 11:00:03,271 INFO L435 NwaCegarLoop]: 91 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, 91 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 11:00:03,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:00:03,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 11:00:03,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-12-02 11:00:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 11:00:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2024-12-02 11:00:03,302 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 25 [2024-12-02 11:00:03,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:00:03,302 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2024-12-02 11:00:03,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 11:00:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2024-12-02 11:00:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 11:00:03,304 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:00:03,304 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:00:03,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:00:03,305 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:00:03,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:00:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1857826221, now seen corresponding path program 1 times [2024-12-02 11:00:03,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:00:03,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582449990] [2024-12-02 11:00:03,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:00:03,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:00:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:00:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:00:03,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:00:03,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582449990] [2024-12-02 11:00:03,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582449990] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:00:03,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:00:03,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:00:03,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79213311] [2024-12-02 11:00:03,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:00:03,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:00:03,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:00:03,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:00:03,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:00:03,416 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 11:00:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:00:03,429 INFO L93 Difference]: Finished difference Result 95 states and 121 transitions. [2024-12-02 11:00:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:00:03,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-12-02 11:00:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:00:03,431 INFO L225 Difference]: With dead ends: 95 [2024-12-02 11:00:03,431 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 11:00:03,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:00:03,432 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:00:03,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:00:03,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 11:00:03,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 11:00:03,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 11:00:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2024-12-02 11:00:03,439 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 25 [2024-12-02 11:00:03,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:00:03,440 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2024-12-02 11:00:03,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 11:00:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2024-12-02 11:00:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-02 11:00:03,441 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:00:03,441 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:00:03,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:00:03,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:00:03,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:00:03,441 INFO L85 PathProgramCache]: Analyzing trace with hash -854969610, now seen corresponding path program 1 times [2024-12-02 11:00:03,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:00:03,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722931161] [2024-12-02 11:00:03,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:00:03,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:00:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:00:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:00:03,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:00:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722931161] [2024-12-02 11:00:03,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722931161] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:00:03,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:00:03,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:00:03,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36750389] [2024-12-02 11:00:03,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:00:03,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:00:03,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:00:03,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:00:03,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:00:03,556 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 11:00:03,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:00:03,602 INFO L93 Difference]: Finished difference Result 105 states and 136 transitions. [2024-12-02 11:00:03,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:00:03,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-12-02 11:00:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:00:03,604 INFO L225 Difference]: With dead ends: 105 [2024-12-02 11:00:03,604 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 11:00:03,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:00:03,605 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 65 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:00:03,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 199 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:00:03,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 11:00:03,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 11:00:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 11:00:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2024-12-02 11:00:03,613 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 30 [2024-12-02 11:00:03,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:00:03,613 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2024-12-02 11:00:03,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 11:00:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-12-02 11:00:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 11:00:03,614 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:00:03,615 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:00:03,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:00:03,615 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:00:03,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:00:03,615 INFO L85 PathProgramCache]: Analyzing trace with hash 653254419, now seen corresponding path program 1 times [2024-12-02 11:00:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:00:03,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532421291] [2024-12-02 11:00:03,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:00:03,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:00:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:00:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:00:03,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:00:03,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532421291] [2024-12-02 11:00:03,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532421291] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:00:03,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:00:03,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:00:03,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256392415] [2024-12-02 11:00:03,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:00:03,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:00:03,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:00:03,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:00:03,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:00:03,722 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 11:00:03,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:00:03,785 INFO L93 Difference]: Finished difference Result 147 states and 193 transitions. [2024-12-02 11:00:03,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:00:03,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-12-02 11:00:03,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:00:03,787 INFO L225 Difference]: With dead ends: 147 [2024-12-02 11:00:03,787 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 11:00:03,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:00:03,788 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 34 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:00:03,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 250 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:00:03,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 11:00:03,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 11:00:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 74 states have (on average 1.2972972972972974) internal successors, (96), 82 states have internal predecessors, (96), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (15), 11 states have call predecessors, (15), 14 states have call successors, (15) [2024-12-02 11:00:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2024-12-02 11:00:03,804 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 35 [2024-12-02 11:00:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:00:03,805 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2024-12-02 11:00:03,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 11:00:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2024-12-02 11:00:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-02 11:00:03,806 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:00:03,806 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:00:03,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:00:03,807 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:00:03,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:00:03,807 INFO L85 PathProgramCache]: Analyzing trace with hash -123164039, now seen corresponding path program 1 times [2024-12-02 11:00:03,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:00:03,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814406272] [2024-12-02 11:00:03,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:00:03,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:00:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:00:03,825 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:00:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:00:03,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:00:03,857 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:00:03,858 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:00:03,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:00:03,861 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 11:00:03,891 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:00:03,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:00:03 BoogieIcfgContainer [2024-12-02 11:00:03,894 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:00:03,894 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:00:03,894 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:00:03,895 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:00:03,895 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:00:02" (3/4) ... [2024-12-02 11:00:03,896 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 11:00:03,940 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 32. [2024-12-02 11:00:03,992 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:00:03,992 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:00:03,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:00:03,993 INFO L158 Benchmark]: Toolchain (without parser) took 1660.95ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 60.4MB in the end (delta: 56.0MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-12-02 11:00:03,993 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:00:03,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.80ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 98.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:00:03,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.54ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:00:03,994 INFO L158 Benchmark]: Boogie Preprocessor took 33.94ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:00:03,994 INFO L158 Benchmark]: RCFGBuilder took 288.65ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 79.6MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:00:03,995 INFO L158 Benchmark]: TraceAbstraction took 896.75ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 67.3MB in the end (delta: 11.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-12-02 11:00:03,995 INFO L158 Benchmark]: Witness Printer took 98.18ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 60.4MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:00:03,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.80ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 98.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.54ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.94ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.65ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 79.6MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 896.75ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 67.3MB in the end (delta: 11.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 98.18ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 60.4MB in the end (delta: 6.9MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 247]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [247] - GenericResultAtLocation [Line: 317]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [317] - GenericResultAtLocation [Line: 398]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [398] - GenericResultAtLocation [Line: 494]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [494] - GenericResultAtLocation [Line: 860]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [860] * 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L319] int waterLevel = 1; [L320] int methaneLevelCritical = 0; [L399] int cleanupTimeShifts = 4; [L664] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] int retValue_acc ; [L473] int tmp ; [L477] FCALL select_helpers() [L478] FCALL select_features() [L479] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L479] RET, EXPR valid_product() [L479] tmp = valid_product() [L481] COND TRUE \read(tmp) [L483] FCALL setup() [L484] CALL runTest() [L466] CALL test() [L252] int splverifierCounter ; [L253] int tmp ; [L254] int tmp___0 ; [L255] int tmp___1 ; [L256] int tmp___2 ; [L259] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L263] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L269] tmp = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L273] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L337] COND TRUE waterLevel < 2 [L338] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L273] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L279] tmp___0 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L289] tmp___2 = __VERIFIER_nondet_int() [L291] COND TRUE \read(tmp___2) [L293] CALL startSystem() [L243] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L293] RET startSystem() [L306] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L121] COND TRUE \read(systemActive) [L123] CALL processEnvironment() [L143] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L146] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L161] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L123] RET processEnvironment() [L129] CALL __utac_acc__Specification3_spec__1() [L862] int tmp ; [L863] int tmp___0 ; [L864] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] int retValue_acc ; [L361] retValue_acc = methaneLevelCritical [L362] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] tmp = isMethaneLevelCritical() [L870] COND FALSE !(\read(tmp)) [L874] CALL, EXPR getWaterLevel() [L390] int retValue_acc ; [L393] retValue_acc = waterLevel [L394] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L874] RET, EXPR getWaterLevel() [L874] tmp___0 = getWaterLevel() [L876] COND TRUE tmp___0 == 2 [L878] CALL, EXPR isPumpRunning() [L195] int retValue_acc ; [L198] retValue_acc = pumpRunning [L199] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L878] RET, EXPR isPumpRunning() [L878] tmp___1 = isPumpRunning() [L880] COND FALSE !(\read(tmp___1)) [L884] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 664 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 371 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 293 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, 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, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-12-02 11:00:04,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8ea686-7121-4c72-bf03-2d93bc37a10f/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE