./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product12.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_spec1_product12.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 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:59:13,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:59:13,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:59:13,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:59:13,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:59:13,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:59:13,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:59:13,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:59:13,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:59:13,867 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:59:13,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:59:13,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:59:13,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:59:13,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:59:13,868 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:59:13,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:59:13,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:59:13,868 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:59:13,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:59:13,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:59:13,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:59:13,869 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:59:13,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:59:13,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:59:13,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:59:13,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:59:13,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:59:13,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:59:13,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:59:13,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:59:13,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:59:13,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:59:13,871 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 -> 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 [2025-01-09 03:59:14,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:59:14,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:59:14,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:59:14,091 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:59:14,091 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:59:14,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2025-01-09 03:59:15,372 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/367d9ec01/e94cb59b3e324b99ba95df0f3bf3cb15/FLAG197fb7373 [2025-01-09 03:59:15,698 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:59:15,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2025-01-09 03:59:15,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/367d9ec01/e94cb59b3e324b99ba95df0f3bf3cb15/FLAG197fb7373 [2025-01-09 03:59:15,972 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/367d9ec01/e94cb59b3e324b99ba95df0f3bf3cb15 [2025-01-09 03:59:15,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:59:15,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:59:15,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:59:15,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:59:15,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:59:15,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:59:15" (1/1) ... [2025-01-09 03:59:15,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd58d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:15, skipping insertion in model container [2025-01-09 03:59:15,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:59:15" (1/1) ... [2025-01-09 03:59:16,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:59:16,147 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_spec1_product12.cil.c[4542,4555] [2025-01-09 03:59:16,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:59:16,272 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:59:16,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2025-01-09 03:59:16,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2025-01-09 03:59:16,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [280] [2025-01-09 03:59:16,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] [2025-01-09 03:59:16,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] [2025-01-09 03:59:16,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [408] [2025-01-09 03:59:16,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434] [2025-01-09 03:59:16,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [800] [2025-01-09 03:59:16,303 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_spec1_product12.cil.c[4542,4555] [2025-01-09 03:59:16,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:59:16,401 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:59:16,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16 WrapperNode [2025-01-09 03:59:16,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:59:16,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:59:16,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:59:16,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:59:16,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,473 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 134 [2025-01-09 03:59:16,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:59:16,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:59:16,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:59:16,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:59:16,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,499 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 03:59:16,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,505 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:59:16,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:59:16,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:59:16,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:59:16,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (1/1) ... [2025-01-09 03:59:16,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:59:16,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:59:16,554 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 03:59:16,561 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 03:59:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:59:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-01-09 03:59:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-01-09 03:59:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 03:59:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 03:59:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 03:59:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 03:59:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 03:59:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 03:59:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:59:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 03:59:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 03:59:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:59:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:59:16,632 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:59:16,634 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:59:16,795 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-01-09 03:59:16,796 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:59:16,806 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:59:16,806 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 03:59:16,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:59:16 BoogieIcfgContainer [2025-01-09 03:59:16,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:59:16,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:59:16,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:59:16,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:59:16,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:59:15" (1/3) ... [2025-01-09 03:59:16,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424112d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:59:16, skipping insertion in model container [2025-01-09 03:59:16,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:59:16" (2/3) ... [2025-01-09 03:59:16,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@424112d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:59:16, skipping insertion in model container [2025-01-09 03:59:16,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:59:16" (3/3) ... [2025-01-09 03:59:16,814 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2025-01-09 03:59:16,824 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:59:16,825 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product12.cil.c that has 6 procedures, 65 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 03:59:16,858 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:59:16,865 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;@25f49656, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:59:16,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:59:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 55 states have internal predecessors, (69), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-09 03:59:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-09 03:59:16,873 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:16,873 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] [2025-01-09 03:59:16,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:16,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1483078968, now seen corresponding path program 1 times [2025-01-09 03:59:16,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:16,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487727577] [2025-01-09 03:59:16,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:16,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:16,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-09 03:59:16,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-09 03:59:16,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:16,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:17,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:17,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487727577] [2025-01-09 03:59:17,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487727577] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:17,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:17,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:59:17,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713657488] [2025-01-09 03:59:17,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:17,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:59:17,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:17,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:59:17,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:59:17,063 INFO L87 Difference]: Start difference. First operand has 65 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 55 states have internal predecessors, (69), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:17,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:17,087 INFO L93 Difference]: Finished difference Result 110 states and 142 transitions. [2025-01-09 03:59:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:59:17,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2025-01-09 03:59:17,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:17,098 INFO L225 Difference]: With dead ends: 110 [2025-01-09 03:59:17,098 INFO L226 Difference]: Without dead ends: 48 [2025-01-09 03:59:17,101 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 03:59:17,107 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 18 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 103 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 03:59:17,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 103 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:59:17,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-01-09 03:59:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2025-01-09 03:59:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-09 03:59:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2025-01-09 03:59:17,137 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 23 [2025-01-09 03:59:17,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:17,137 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2025-01-09 03:59:17,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2025-01-09 03:59:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-09 03:59:17,139 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:17,139 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] [2025-01-09 03:59:17,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 03:59:17,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:17,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:17,141 INFO L85 PathProgramCache]: Analyzing trace with hash 438318849, now seen corresponding path program 1 times [2025-01-09 03:59:17,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:17,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728511659] [2025-01-09 03:59:17,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:17,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-09 03:59:17,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-09 03:59:17,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:17,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:17,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:17,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728511659] [2025-01-09 03:59:17,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728511659] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:17,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:17,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:59:17,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472844230] [2025-01-09 03:59:17,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:17,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:59:17,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:17,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:59:17,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:59:17,326 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:17,384 INFO L93 Difference]: Finished difference Result 127 states and 162 transitions. [2025-01-09 03:59:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:59:17,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-01-09 03:59:17,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:17,389 INFO L225 Difference]: With dead ends: 127 [2025-01-09 03:59:17,389 INFO L226 Difference]: Without dead ends: 86 [2025-01-09 03:59:17,391 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 [2025-01-09 03:59:17,391 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 52 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:17,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 212 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:59:17,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2025-01-09 03:59:17,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 81. [2025-01-09 03:59:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 64 states have (on average 1.34375) internal successors, (86), 69 states have internal predecessors, (86), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-01-09 03:59:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2025-01-09 03:59:17,410 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 28 [2025-01-09 03:59:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:17,410 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2025-01-09 03:59:17,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2025-01-09 03:59:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-09 03:59:17,411 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:17,411 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] [2025-01-09 03:59:17,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 03:59:17,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:17,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:17,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1780539870, now seen corresponding path program 1 times [2025-01-09 03:59:17,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:17,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724064975] [2025-01-09 03:59:17,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:17,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:17,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-09 03:59:17,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-09 03:59:17,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:17,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:17,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:17,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724064975] [2025-01-09 03:59:17,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724064975] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:17,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:17,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 03:59:17,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856662572] [2025-01-09 03:59:17,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:17,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 03:59:17,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:17,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 03:59:17,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:59:17,540 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:17,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:17,653 INFO L93 Difference]: Finished difference Result 223 states and 295 transitions. [2025-01-09 03:59:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 03:59:17,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-01-09 03:59:17,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:17,654 INFO L225 Difference]: With dead ends: 223 [2025-01-09 03:59:17,655 INFO L226 Difference]: Without dead ends: 149 [2025-01-09 03:59:17,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 03:59:17,655 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 31 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:17,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 259 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:59:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-01-09 03:59:17,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-01-09 03:59:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 125 states have internal predecessors, (154), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2025-01-09 03:59:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 190 transitions. [2025-01-09 03:59:17,670 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 190 transitions. Word has length 29 [2025-01-09 03:59:17,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:17,670 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 190 transitions. [2025-01-09 03:59:17,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 03:59:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 190 transitions. [2025-01-09 03:59:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-09 03:59:17,671 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:59:17,671 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] [2025-01-09 03:59:17,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 03:59:17,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:59:17,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:59:17,672 INFO L85 PathProgramCache]: Analyzing trace with hash 400678178, now seen corresponding path program 1 times [2025-01-09 03:59:17,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:59:17,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280930980] [2025-01-09 03:59:17,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:59:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:59:17,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-09 03:59:17,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-09 03:59:17,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:59:17,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:59:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 03:59:17,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:59:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280930980] [2025-01-09 03:59:17,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280930980] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:59:17,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:59:17,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:59:17,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863707310] [2025-01-09 03:59:17,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:59:17,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:59:17,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:59:17,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:59:17,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:59:17,773 INFO L87 Difference]: Start difference. First operand 149 states and 190 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (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) [2025-01-09 03:59:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:59:17,822 INFO L93 Difference]: Finished difference Result 279 states and 364 transitions. [2025-01-09 03:59:17,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:59:17,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (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 33 [2025-01-09 03:59:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:59:17,824 INFO L225 Difference]: With dead ends: 279 [2025-01-09 03:59:17,824 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 03:59:17,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:59:17,826 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 28 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:59:17,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 136 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:59:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 03:59:17,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 03:59:17,826 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 03:59:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 03:59:17,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2025-01-09 03:59:17,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:59:17,826 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 03:59:17,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (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) [2025-01-09 03:59:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 03:59:17,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 03:59:17,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 03:59:17,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 03:59:17,833 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-09 03:59:17,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 03:59:18,116 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 03:59:18,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:59:18 BoogieIcfgContainer [2025-01-09 03:59:18,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 03:59:18,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 03:59:18,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 03:59:18,131 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 03:59:18,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:59:16" (3/4) ... [2025-01-09 03:59:18,133 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 03:59:18,140 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-01-09 03:59:18,141 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-01-09 03:59:18,141 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-01-09 03:59:18,141 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-01-09 03:59:18,141 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-01-09 03:59:18,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-01-09 03:59:18,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 03:59:18,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 03:59:18,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:59:18,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:59:18,198 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 03:59:18,199 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 03:59:18,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 03:59:18,200 INFO L158 Benchmark]: Toolchain (without parser) took 2225.34ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 67.7MB in the end (delta: 55.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2025-01-09 03:59:18,200 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:59:18,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.52ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 104.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 03:59:18,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.93ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 103.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:59:18,200 INFO L158 Benchmark]: Boogie Preprocessor took 45.76ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:59:18,200 INFO L158 Benchmark]: RCFGBuilder took 286.53ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 87.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 03:59:18,201 INFO L158 Benchmark]: TraceAbstraction took 1322.52ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 75.0MB in the end (delta: 11.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2025-01-09 03:59:18,201 INFO L158 Benchmark]: Witness Printer took 67.97ms. Allocated memory is still 167.8MB. Free memory was 75.0MB in the beginning and 67.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 03:59:18,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.52ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 104.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.93ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 103.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.76ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.53ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 87.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1322.52ms. Allocated memory is still 167.8MB. Free memory was 86.9MB in the beginning and 75.0MB in the end (delta: 11.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 67.97ms. Allocated memory is still 167.8MB. Free memory was 75.0MB in the beginning and 67.7MB in the end (delta: 7.3MB). 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 280]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [280] - GenericResultAtLocation [Line: 289]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [370] - GenericResultAtLocation [Line: 408]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [408] - GenericResultAtLocation [Line: 434]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434] - GenericResultAtLocation [Line: 800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [800] * 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: 285]: 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 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 710 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 489 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 221 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=3, InterpolantAutomatonStates: 20, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 116]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 03:59:18,216 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