./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:02:42,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:02:42,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:02:42,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:02:42,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:02:42,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:02:42,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:02:42,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:02:42,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:02:42,729 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:02:42,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:02:42,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:02:42,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:02:42,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:02:42,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:02:42,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:42,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:42,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:02:42,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:02:42,731 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 [2025-01-09 04:02:42,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:02:42,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:02:42,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:02:42,969 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:02:42,969 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:02:42,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2025-01-09 04:02:44,029 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df78fbc22/e6adf1d8d7cc410c9b7333586d91336e/FLAG6e1d202cb [2025-01-09 04:02:44,301 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:02:44,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2025-01-09 04:02:44,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df78fbc22/e6adf1d8d7cc410c9b7333586d91336e/FLAG6e1d202cb [2025-01-09 04:02:44,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df78fbc22/e6adf1d8d7cc410c9b7333586d91336e [2025-01-09 04:02:44,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:02:44,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:02:44,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:02:44,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:02:44,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:02:44,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7734c6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44, skipping insertion in model container [2025-01-09 04:02:44,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:02:44,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2025-01-09 04:02:44,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:02:44,838 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:02:44,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-01-09 04:02:44,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2025-01-09 04:02:44,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [453] [2025-01-09 04:02:44,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2025-01-09 04:02:44,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] [2025-01-09 04:02:44,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [599] [2025-01-09 04:02:44,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] [2025-01-09 04:02:44,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [854] [2025-01-09 04:02:44,887 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2025-01-09 04:02:44,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:02:44,913 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:02:44,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44 WrapperNode [2025-01-09 04:02:44,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:02:44,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:02:44,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:02:44,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:02:44,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,938 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 162 [2025-01-09 04:02:44,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:02:44,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:02:44,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:02:44,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:02:44,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,963 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]. [2025-01-09 04:02:44,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,967 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:02:44,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:02:44,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:02:44,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:02:44,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (1/1) ... [2025-01-09 04:02:44,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:02:44,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:02:45,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:02:45,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:02:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:02:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:02:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:02:45,086 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:02:45,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:02:45,232 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2025-01-09 04:02:45,232 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:02:45,240 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:02:45,240 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:02:45,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:45 BoogieIcfgContainer [2025-01-09 04:02:45,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:02:45,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:02:45,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:02:45,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:02:45,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:02:44" (1/3) ... [2025-01-09 04:02:45,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276cfb6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:02:45, skipping insertion in model container [2025-01-09 04:02:45,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:02:44" (2/3) ... [2025-01-09 04:02:45,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276cfb6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:02:45, skipping insertion in model container [2025-01-09 04:02:45,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:45" (3/3) ... [2025-01-09 04:02:45,247 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2025-01-09 04:02:45,258 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:02:45,259 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product13.cil.c that has 8 procedures, 79 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:02:45,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:02:45,307 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;@2f22d980, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:02:45,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:02:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 65 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-09 04:02:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-09 04:02:45,318 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:45,319 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] [2025-01-09 04:02:45,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:45,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:45,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1687383419, now seen corresponding path program 1 times [2025-01-09 04:02:45,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:45,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829423118] [2025-01-09 04:02:45,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:45,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 04:02:45,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 04:02:45,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:45,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:02:45,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:45,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829423118] [2025-01-09 04:02:45,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829423118] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:45,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:45,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:02:45,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574043047] [2025-01-09 04:02:45,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:45,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:02:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:45,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:02:45,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:02:45,540 INFO L87 Difference]: Start difference. First operand has 79 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 65 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) 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) [2025-01-09 04:02:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:45,565 INFO L93 Difference]: Finished difference Result 137 states and 177 transitions. [2025-01-09 04:02:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:02:45,567 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 [2025-01-09 04:02:45,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:45,572 INFO L225 Difference]: With dead ends: 137 [2025-01-09 04:02:45,572 INFO L226 Difference]: Without dead ends: 62 [2025-01-09 04:02:45,574 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 [2025-01-09 04:02:45,576 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 145 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 [2025-01-09 04:02:45,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:45,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-01-09 04:02:45,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-01-09 04:02:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-09 04:02:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2025-01-09 04:02:45,608 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 32 [2025-01-09 04:02:45,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:45,608 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2025-01-09 04:02:45,609 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) [2025-01-09 04:02:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2025-01-09 04:02:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-09 04:02:45,611 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:45,611 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] [2025-01-09 04:02:45,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:02:45,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:45,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:45,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1929494108, now seen corresponding path program 1 times [2025-01-09 04:02:45,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:45,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183937176] [2025-01-09 04:02:45,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:45,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:45,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-09 04:02:45,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-09 04:02:45,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:45,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 04:02:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:45,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183937176] [2025-01-09 04:02:45,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183937176] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:45,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:45,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:02:45,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177638463] [2025-01-09 04:02:45,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:45,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:02:45,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:45,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:02:45,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:02:45,744 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:45,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:45,777 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2025-01-09 04:02:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:02:45,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-01-09 04:02:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:45,781 INFO L225 Difference]: With dead ends: 116 [2025-01-09 04:02:45,781 INFO L226 Difference]: Without dead ends: 62 [2025-01-09 04:02:45,781 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 [2025-01-09 04:02:45,782 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 75 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 [2025-01-09 04:02:45,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:45,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-01-09 04:02:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-01-09 04:02:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 52 states have internal predecessors, (60), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-09 04:02:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2025-01-09 04:02:45,794 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 36 [2025-01-09 04:02:45,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:45,795 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2025-01-09 04:02:45,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 04:02:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2025-01-09 04:02:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-09 04:02:45,797 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:02:45,797 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] [2025-01-09 04:02:45,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:02:45,797 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:02:45,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:02:45,798 INFO L85 PathProgramCache]: Analyzing trace with hash -983328591, now seen corresponding path program 1 times [2025-01-09 04:02:45,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:02:45,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758603601] [2025-01-09 04:02:45,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:02:45,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:02:45,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 04:02:45,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 04:02:45,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:02:45,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:02:45,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 04:02:45,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:02:45,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758603601] [2025-01-09 04:02:45,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758603601] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:02:45,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:02:45,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:02:45,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193830006] [2025-01-09 04:02:45,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:02:45,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:02:45,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:02:45,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:02:45,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:02:45,949 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 04:02:46,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:02:46,029 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2025-01-09 04:02:46,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:02:46,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2025-01-09 04:02:46,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:02:46,030 INFO L225 Difference]: With dead ends: 102 [2025-01-09 04:02:46,030 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 04:02:46,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:02:46,031 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 27 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:02:46,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 185 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:02:46,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 04:02:46,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 04:02:46,032 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) [2025-01-09 04:02:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 04:02:46,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2025-01-09 04:02:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:02:46,032 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 04:02:46,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 04:02:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 04:02:46,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 04:02:46,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:02:46,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:02:46,040 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 04:02:46,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 04:02:46,224 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:02:46,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:02:46 BoogieIcfgContainer [2025-01-09 04:02:46,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:02:46,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:02:46,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:02:46,236 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:02:46,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:02:45" (3/4) ... [2025-01-09 04:02:46,238 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 04:02:46,242 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 04:02:46,242 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 04:02:46,242 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 04:02:46,242 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 04:02:46,242 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2025-01-09 04:02:46,242 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-01-09 04:02:46,242 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2025-01-09 04:02:46,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 04:02:46,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 04:02:46,247 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 04:02:46,247 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:46,247 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 04:02:46,313 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:02:46,313 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:02:46,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:02:46,314 INFO L158 Benchmark]: Toolchain (without parser) took 1713.60ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 59.7MB in the end (delta: 46.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2025-01-09 04:02:46,314 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:46,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.55ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 87.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:02:46,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.36ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 85.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:02:46,315 INFO L158 Benchmark]: Boogie Preprocessor took 33.32ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:46,315 INFO L158 Benchmark]: RCFGBuilder took 267.39ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 68.8MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:46,315 INFO L158 Benchmark]: TraceAbstraction took 993.73ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 67.2MB in the end (delta: 1.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2025-01-09 04:02:46,315 INFO L158 Benchmark]: Witness Printer took 77.13ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 59.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:02:46,316 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 201.3MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.55ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 87.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.36ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 85.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.32ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 83.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 267.39ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 68.8MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 993.73ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 67.2MB in the end (delta: 1.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 77.13ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 59.7MB in the end (delta: 7.5MB). 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,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [453] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [599] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [854] * 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: 595]: 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 8 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 405 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 206 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 911]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 04:02:46,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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