./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product26.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_spec3_product26.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 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:01:15,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:01:15,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:01:15,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:01:15,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:01:15,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:01:15,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:01:15,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:01:15,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:01:15,121 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:01:15,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:01:15,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:01:15,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:01:15,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:01:15,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:01:15,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:01:15,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:01:15,125 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:01:15,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:01:15,125 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:01:15,125 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:01:15,125 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:01:15,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:15,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:15,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:15,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:15,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:01:15,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:15,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:15,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:15,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:15,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:01:15,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:01:15,127 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:01:15,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:01:15,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:01:15,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:01:15,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:01:15,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:01:15,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:01:15,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:01:15,128 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 -> 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d [2025-01-09 04:01:15,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:01:15,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:01:15,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:01:15,407 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:01:15,407 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:01:15,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2025-01-09 04:01:16,654 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/97ab71190/44ed31aeacdc4c2cbe59f1ca0e17b200/FLAGde9f6cbdd [2025-01-09 04:01:17,000 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:01:17,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2025-01-09 04:01:17,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/97ab71190/44ed31aeacdc4c2cbe59f1ca0e17b200/FLAGde9f6cbdd [2025-01-09 04:01:17,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/97ab71190/44ed31aeacdc4c2cbe59f1ca0e17b200 [2025-01-09 04:01:17,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:01:17,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:01:17,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:17,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:01:17,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:01:17,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1998856b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17, skipping insertion in model container [2025-01-09 04:01:17,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:01:17,339 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_spec3_product26.cil.c[14361,14374] [2025-01-09 04:01:17,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:17,364 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:01:17,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-01-09 04:01:17,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2025-01-09 04:01:17,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [188] [2025-01-09 04:01:17,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] [2025-01-09 04:01:17,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] [2025-01-09 04:01:17,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] [2025-01-09 04:01:17,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [840] [2025-01-09 04:01:17,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [907] [2025-01-09 04:01:17,439 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_spec3_product26.cil.c[14361,14374] [2025-01-09 04:01:17,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:17,471 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:01:17,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17 WrapperNode [2025-01-09 04:01:17,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:17,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:17,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:01:17,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:01:17,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,509 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 172 [2025-01-09 04:01:17,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:17,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:01:17,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:01:17,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:01:17,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,547 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 04:01:17,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,556 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:01:17,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:01:17,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:01:17,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:01:17,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (1/1) ... [2025-01-09 04:01:17,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:17,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:01:17,611 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 04:01:17,616 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 04:01:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:01:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:01:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:01:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-01-09 04:01:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-01-09 04:01:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:01:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:01:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:01:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:01:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:01:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:01:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:01:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:01:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:01:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:01:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:01:17,708 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:01:17,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:01:17,906 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-01-09 04:01:17,907 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:01:17,917 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:01:17,917 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:01:17,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:17 BoogieIcfgContainer [2025-01-09 04:01:17,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:01:17,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:01:17,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:01:17,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:01:17,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:01:17" (1/3) ... [2025-01-09 04:01:17,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b2c5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:17, skipping insertion in model container [2025-01-09 04:01:17,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:17" (2/3) ... [2025-01-09 04:01:17,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b2c5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:17, skipping insertion in model container [2025-01-09 04:01:17,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:17" (3/3) ... [2025-01-09 04:01:17,929 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c [2025-01-09 04:01:17,941 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:01:17,943 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product26.cil.c that has 7 procedures, 74 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:01:18,006 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:01:18,025 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;@16fede45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:01:18,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:01:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-09 04:01:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 04:01:18,039 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:18,040 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] [2025-01-09 04:01:18,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:18,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash 409936397, now seen corresponding path program 1 times [2025-01-09 04:01:18,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:18,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473497354] [2025-01-09 04:01:18,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:18,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:18,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 04:01:18,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 04:01:18,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:18,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:18,333 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 04:01:18,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:18,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473497354] [2025-01-09 04:01:18,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473497354] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:18,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:18,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:01:18,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642642886] [2025-01-09 04:01:18,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:18,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:01:18,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:18,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:01:18,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:18,363 INFO L87 Difference]: Start difference. First operand has 74 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:18,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:18,398 INFO L93 Difference]: Finished difference Result 128 states and 168 transitions. [2025-01-09 04:01:18,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:01:18,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2025-01-09 04:01:18,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:18,411 INFO L225 Difference]: With dead ends: 128 [2025-01-09 04:01:18,412 INFO L226 Difference]: Without dead ends: 57 [2025-01-09 04:01:18,415 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 04:01:18,420 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 13 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 134 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 04:01:18,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:18,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-01-09 04:01:18,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2025-01-09 04:01:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-09 04:01:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2025-01-09 04:01:18,464 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 25 [2025-01-09 04:01:18,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:18,464 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2025-01-09 04:01:18,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2025-01-09 04:01:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-09 04:01:18,467 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:18,468 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] [2025-01-09 04:01:18,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:01:18,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:18,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:18,469 INFO L85 PathProgramCache]: Analyzing trace with hash -632878185, now seen corresponding path program 1 times [2025-01-09 04:01:18,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:18,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652738126] [2025-01-09 04:01:18,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:18,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:18,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 04:01:18,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 04:01:18,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:18,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:18,596 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 04:01:18,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:18,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652738126] [2025-01-09 04:01:18,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652738126] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:18,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:18,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:01:18,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633990260] [2025-01-09 04:01:18,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:18,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:01:18,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:18,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:01:18,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:01:18,598 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:18,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:18,639 INFO L93 Difference]: Finished difference Result 107 states and 138 transitions. [2025-01-09 04:01:18,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:01:18,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-09 04:01:18,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:18,640 INFO L225 Difference]: With dead ends: 107 [2025-01-09 04:01:18,640 INFO L226 Difference]: Without dead ends: 57 [2025-01-09 04:01:18,641 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 04:01:18,641 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 66 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:01:18,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 202 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-01-09 04:01:18,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2025-01-09 04:01:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-09 04:01:18,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2025-01-09 04:01:18,648 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 30 [2025-01-09 04:01:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:18,649 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2025-01-09 04:01:18,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2025-01-09 04:01:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-09 04:01:18,650 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:18,650 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:01:18,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:01:18,650 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:18,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2033632155, now seen corresponding path program 1 times [2025-01-09 04:01:18,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:18,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783432120] [2025-01-09 04:01:18,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:18,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:18,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-09 04:01:18,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-09 04:01:18,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:18,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:18,876 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 04:01:18,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:18,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783432120] [2025-01-09 04:01:18,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783432120] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:18,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:18,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:01:18,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264901761] [2025-01-09 04:01:18,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:18,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:01:18,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:18,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:01:18,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:01:18,881 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:01:18,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:18,951 INFO L93 Difference]: Finished difference Result 150 states and 196 transitions. [2025-01-09 04:01:18,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:01:18,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2025-01-09 04:01:18,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:18,952 INFO L225 Difference]: With dead ends: 150 [2025-01-09 04:01:18,953 INFO L226 Difference]: Without dead ends: 100 [2025-01-09 04:01:18,953 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 04:01:18,954 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 35 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:01:18,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 250 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:18,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-01-09 04:01:18,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2025-01-09 04:01:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 86 states have internal predecessors, (102), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2025-01-09 04:01:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 127 transitions. [2025-01-09 04:01:18,969 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 127 transitions. Word has length 35 [2025-01-09 04:01:18,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:18,970 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 127 transitions. [2025-01-09 04:01:18,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 04:01:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2025-01-09 04:01:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-09 04:01:18,971 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:18,971 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:01:18,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:01:18,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:18,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:18,972 INFO L85 PathProgramCache]: Analyzing trace with hash -985375360, now seen corresponding path program 1 times [2025-01-09 04:01:18,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:18,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591790823] [2025-01-09 04:01:18,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:18,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:18,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 04:01:18,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 04:01:18,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:18,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:19,004 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 04:01:19,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:19,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591790823] [2025-01-09 04:01:19,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591790823] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:19,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:19,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:01:19,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209086985] [2025-01-09 04:01:19,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:19,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:01:19,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:19,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:01:19,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:19,005 INFO L87 Difference]: Start difference. First operand 100 states and 127 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 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 04:01:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:19,072 INFO L93 Difference]: Finished difference Result 265 states and 345 transitions. [2025-01-09 04:01:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:01:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 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 37 [2025-01-09 04:01:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:19,078 INFO L225 Difference]: With dead ends: 265 [2025-01-09 04:01:19,078 INFO L226 Difference]: Without dead ends: 172 [2025-01-09 04:01:19,079 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 04:01:19,079 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 53 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:01:19,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 171 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:19,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-01-09 04:01:19,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2025-01-09 04:01:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 131 states have (on average 1.297709923664122) internal successors, (170), 140 states have internal predecessors, (170), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-09 04:01:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 216 transitions. [2025-01-09 04:01:19,099 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 216 transitions. Word has length 37 [2025-01-09 04:01:19,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:19,099 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 216 transitions. [2025-01-09 04:01:19,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 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 04:01:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 216 transitions. [2025-01-09 04:01:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-09 04:01:19,100 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:19,100 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:01:19,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:01:19,100 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:19,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:19,101 INFO L85 PathProgramCache]: Analyzing trace with hash -58124597, now seen corresponding path program 1 times [2025-01-09 04:01:19,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:19,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307157604] [2025-01-09 04:01:19,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:19,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:19,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-09 04:01:19,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-09 04:01:19,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:19,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 04:01:19,116 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 04:01:19,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-09 04:01:19,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-09 04:01:19,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:19,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 04:01:19,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 04:01:19,153 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 04:01:19,154 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:01:19,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:01:19,160 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 04:01:19,205 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:01:19,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:01:19 BoogieIcfgContainer [2025-01-09 04:01:19,211 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:01:19,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:01:19,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:01:19,212 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:01:19,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:17" (3/4) ... [2025-01-09 04:01:19,215 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-09 04:01:19,287 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 32. [2025-01-09 04:01:19,357 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:01:19,357 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:01:19,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:01:19,358 INFO L158 Benchmark]: Toolchain (without parser) took 2313.54ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 81.5MB in the end (delta: 42.3MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2025-01-09 04:01:19,358 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:19,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.30ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 105.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:01:19,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.29ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:19,358 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 101.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:01:19,359 INFO L158 Benchmark]: RCFGBuilder took 343.89ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 86.3MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:01:19,359 INFO L158 Benchmark]: TraceAbstraction took 1290.77ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 89.4MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:19,359 INFO L158 Benchmark]: Witness Printer took 145.57ms. Allocated memory is still 167.8MB. Free memory was 89.4MB in the beginning and 81.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:01:19,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.30ms. Allocated memory is still 167.8MB. Free memory was 123.8MB in the beginning and 105.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.29ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.04ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 101.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 343.89ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 86.3MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1290.77ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 89.4MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 145.57ms. Allocated memory is still 167.8MB. Free memory was 89.4MB in the beginning and 81.5MB in the end (delta: 7.8MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [188] - GenericResultAtLocation [Line: 282]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [282] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] - GenericResultAtLocation [Line: 657]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] - GenericResultAtLocation [Line: 840]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [840] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [907] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 653]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L194] int waterLevel = 1; [L195] int methaneLevelCritical = 0; [L452] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L842] int splverifierCounter ; [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L846] int tmp___2 ; [L849] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L853] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L859] tmp = __VERIFIER_nondet_int() [L861] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L863] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L212] COND TRUE waterLevel < 2 [L213] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L863] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L869] tmp___0 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L879] tmp___2 = __VERIFIER_nondet_int() [L881] COND TRUE \read(tmp___2) [L883] CALL startSystem() [L836] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] RET startSystem() [L896] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L670] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L699] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L717] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification3_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L233] int retValue_acc ; [L236] retValue_acc = methaneLevelCritical [L237] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] tmp = isMethaneLevelCritical() [L917] COND FALSE !(\read(tmp)) [L921] CALL, EXPR getWaterLevel() [L265] int retValue_acc ; [L268] retValue_acc = waterLevel [L269] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] RET, EXPR getWaterLevel() [L921] tmp___0 = getWaterLevel() [L923] COND TRUE tmp___0 == 2 [L925] CALL, EXPR isPumpRunning() [L769] int retValue_acc ; [L772] retValue_acc = pumpRunning [L773] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L925] RET, EXPR isPumpRunning() [L925] tmp___1 = isPumpRunning() [L927] COND FALSE !(\read(tmp___1)) [L931] CALL __automaton_fail() [L653] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 757 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 432 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 325 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-01-09 04:01:19,382 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE