./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:39:56,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:39:56,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:39:56,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:39:56,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:39:56,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:39:56,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:39:56,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:39:56,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:39:56,793 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:39:56,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:39:56,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:39:56,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:39:56,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:39:56,794 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:39:56,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:39:56,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:39:56,794 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:39:56,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:39:56,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:39:56,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:39:56,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:39:56,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:39:56,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:39:56,795 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:39:56,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:39:56,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:39:56,795 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:39:56,795 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:39:56,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:39:56,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:39:56,797 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/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 -> f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 [2025-03-08 05:39:57,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:39:57,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:39:57,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:39:57,066 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:39:57,067 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:39:57,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2025-03-08 05:39:58,228 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fecfe8be/dbfa1618fd394b44825e644434f106d1/FLAG71125adf4 [2025-03-08 05:39:58,541 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:39:58,542 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2025-03-08 05:39:58,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fecfe8be/dbfa1618fd394b44825e644434f106d1/FLAG71125adf4 [2025-03-08 05:39:58,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fecfe8be/dbfa1618fd394b44825e644434f106d1 [2025-03-08 05:39:58,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:39:58,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:39:58,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:39:58,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:39:58,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:39:58,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:39:58" (1/1) ... [2025-03-08 05:39:58,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38784a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:58, skipping insertion in model container [2025-03-08 05:39:58,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:39:58" (1/1) ... [2025-03-08 05:39:58,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:39:59,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2025-03-08 05:39:59,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:39:59,048 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:39:59,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2025-03-08 05:39:59,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2025-03-08 05:39:59,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2025-03-08 05:39:59,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [537] [2025-03-08 05:39:59,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [546] [2025-03-08 05:39:59,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [619] [2025-03-08 05:39:59,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [778] [2025-03-08 05:39:59,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [816] [2025-03-08 05:39:59,100 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2025-03-08 05:39:59,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:39:59,120 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:39:59,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59 WrapperNode [2025-03-08 05:39:59,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:39:59,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:39:59,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:39:59,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:39:59,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,145 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 163 [2025-03-08 05:39:59,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:39:59,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:39:59,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:39:59,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:39:59,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,165 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]. [2025-03-08 05:39:59,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:39:59,177 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:39:59,177 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:39:59,177 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:39:59,177 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (1/1) ... [2025-03-08 05:39:59,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:39:59,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:39:59,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 05:39:59,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-03-08 05:39:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-08 05:39:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-08 05:39:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-08 05:39:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-08 05:39:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-03-08 05:39:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-08 05:39:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-08 05:39:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:39:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:39:59,276 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:39:59,278 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:39:59,382 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-03-08 05:39:59,382 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L534-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2025-03-08 05:39:59,382 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L716-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-03-08 05:39:59,385 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L502: #res := ~retValue_acc~3; [2025-03-08 05:39:59,435 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L909-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-08 05:39:59,435 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L813-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2025-03-08 05:39:59,449 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2025-03-08 05:39:59,449 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:39:59,460 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:39:59,460 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:39:59,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:59 BoogieIcfgContainer [2025-03-08 05:39:59,461 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:39:59,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:39:59,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:39:59,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:39:59,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:39:58" (1/3) ... [2025-03-08 05:39:59,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525edecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:39:59, skipping insertion in model container [2025-03-08 05:39:59,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:59" (2/3) ... [2025-03-08 05:39:59,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525edecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:39:59, skipping insertion in model container [2025-03-08 05:39:59,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:59" (3/3) ... [2025-03-08 05:39:59,469 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2025-03-08 05:39:59,480 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:39:59,481 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product08.cil.c that has 8 procedures, 79 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 05:39:59,527 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:39:59,535 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;@255fd6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:39:59,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:39:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 65 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-08 05:39:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-08 05:39:59,546 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:59,547 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] [2025-03-08 05:39:59,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:59,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:59,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1851616715, now seen corresponding path program 1 times [2025-03-08 05:39:59,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:59,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727986735] [2025-03-08 05:39:59,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:59,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 05:39:59,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 05:39:59,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:59,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:39:59,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:59,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727986735] [2025-03-08 05:39:59,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727986735] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:59,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:59,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:39:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162283573] [2025-03-08 05:39:59,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:59,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:39:59,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:59,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:39:59,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:39:59,739 INFO L87 Difference]: Start difference. First operand has 79 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 65 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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) [2025-03-08 05:39:59,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:59,760 INFO L93 Difference]: Finished difference Result 138 states and 182 transitions. [2025-03-08 05:39:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:39:59,762 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 [2025-03-08 05:39:59,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:59,766 INFO L225 Difference]: With dead ends: 138 [2025-03-08 05:39:59,766 INFO L226 Difference]: Without dead ends: 62 [2025-03-08 05:39:59,768 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 [2025-03-08 05:39:59,770 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 16 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 144 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 [2025-03-08 05:39:59,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-03-08 05:39:59,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-03-08 05:39:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.326086956521739) internal successors, (61), 52 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-08 05:39:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2025-03-08 05:39:59,795 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 25 [2025-03-08 05:39:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:59,795 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2025-03-08 05:39:59,795 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) [2025-03-08 05:39:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2025-03-08 05:39:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-08 05:39:59,796 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:59,797 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] [2025-03-08 05:39:59,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 05:39:59,797 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:59,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:59,798 INFO L85 PathProgramCache]: Analyzing trace with hash 917185767, now seen corresponding path program 1 times [2025-03-08 05:39:59,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:59,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619711968] [2025-03-08 05:39:59,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:59,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:59,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-08 05:39:59,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-08 05:39:59,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:59,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:39:59,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:59,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619711968] [2025-03-08 05:39:59,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619711968] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:59,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:59,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:39:59,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074474107] [2025-03-08 05:39:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:59,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:39:59,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:59,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:39:59,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:39:59,900 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-08 05:39:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:59,959 INFO L93 Difference]: Finished difference Result 170 states and 222 transitions. [2025-03-08 05:39:59,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:39:59,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2025-03-08 05:39:59,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:59,961 INFO L225 Difference]: With dead ends: 170 [2025-03-08 05:39:59,961 INFO L226 Difference]: Without dead ends: 115 [2025-03-08 05:39:59,962 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 [2025-03-08 05:39:59,962 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 71 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:39:59,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 162 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:59,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-03-08 05:39:59,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2025-03-08 05:39:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 92 states have internal predecessors, (110), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-08 05:39:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 146 transitions. [2025-03-08 05:39:59,976 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 146 transitions. Word has length 29 [2025-03-08 05:39:59,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:59,976 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 146 transitions. [2025-03-08 05:39:59,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-08 05:39:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 146 transitions. [2025-03-08 05:39:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-08 05:39:59,977 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:59,977 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] [2025-03-08 05:39:59,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 05:39:59,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:59,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash -937829833, now seen corresponding path program 1 times [2025-03-08 05:39:59,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:59,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176433555] [2025-03-08 05:39:59,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:59,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 05:39:59,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 05:39:59,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:59,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:40:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:40:00,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:40:00,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176433555] [2025-03-08 05:40:00,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176433555] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:40:00,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:40:00,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:40:00,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062181559] [2025-03-08 05:40:00,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:40:00,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:40:00,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:40:00,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:40:00,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:40:00,101 INFO L87 Difference]: Start difference. First operand 112 states and 146 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2025-03-08 05:40:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:40:00,171 INFO L93 Difference]: Finished difference Result 310 states and 419 transitions. [2025-03-08 05:40:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:40:00,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2025-03-08 05:40:00,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:40:00,176 INFO L225 Difference]: With dead ends: 310 [2025-03-08 05:40:00,176 INFO L226 Difference]: Without dead ends: 205 [2025-03-08 05:40:00,179 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 [2025-03-08 05:40:00,179 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 44 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:40:00,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 286 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:40:00,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-03-08 05:40:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2025-03-08 05:40:00,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 165 states have internal predecessors, (196), 36 states have call successors, (36), 24 states have call predecessors, (36), 22 states have return successors, (38), 24 states have call predecessors, (38), 36 states have call successors, (38) [2025-03-08 05:40:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 270 transitions. [2025-03-08 05:40:00,206 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 270 transitions. Word has length 32 [2025-03-08 05:40:00,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:40:00,208 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 270 transitions. [2025-03-08 05:40:00,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2025-03-08 05:40:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 270 transitions. [2025-03-08 05:40:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-08 05:40:00,211 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:40:00,211 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] [2025-03-08 05:40:00,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 05:40:00,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:40:00,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:40:00,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1530733370, now seen corresponding path program 1 times [2025-03-08 05:40:00,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:40:00,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376793616] [2025-03-08 05:40:00,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:40:00,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:40:00,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-08 05:40:00,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 05:40:00,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:40:00,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:40:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:40:00,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:40:00,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376793616] [2025-03-08 05:40:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376793616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:40:00,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:40:00,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:40:00,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998785398] [2025-03-08 05:40:00,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:40:00,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:40:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:40:00,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:40:00,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:40:00,297 INFO L87 Difference]: Start difference. First operand 205 states and 270 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2025-03-08 05:40:00,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:40:00,320 INFO L93 Difference]: Finished difference Result 357 states and 473 transitions. [2025-03-08 05:40:00,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:40:00,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2025-03-08 05:40:00,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:40:00,322 INFO L225 Difference]: With dead ends: 357 [2025-03-08 05:40:00,323 INFO L226 Difference]: Without dead ends: 159 [2025-03-08 05:40:00,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:40:00,325 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:40:00,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 55 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:40:00,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-08 05:40:00,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2025-03-08 05:40:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 118 states have (on average 1.271186440677966) internal successors, (150), 125 states have internal predecessors, (150), 20 states have call successors, (20), 20 states have call predecessors, (20), 18 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-08 05:40:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 190 transitions. [2025-03-08 05:40:00,349 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 190 transitions. Word has length 34 [2025-03-08 05:40:00,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:40:00,349 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 190 transitions. [2025-03-08 05:40:00,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2025-03-08 05:40:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 190 transitions. [2025-03-08 05:40:00,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-08 05:40:00,350 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:40:00,350 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] [2025-03-08 05:40:00,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 05:40:00,351 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:40:00,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:40:00,351 INFO L85 PathProgramCache]: Analyzing trace with hash -2067922919, now seen corresponding path program 1 times [2025-03-08 05:40:00,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:40:00,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956002781] [2025-03-08 05:40:00,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:40:00,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:40:00,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-08 05:40:00,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-08 05:40:00,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:40:00,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 05:40:00,372 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 05:40:00,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-08 05:40:00,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-08 05:40:00,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:40:00,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 05:40:00,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 05:40:00,408 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 05:40:00,408 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:40:00,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:40:00,412 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-08 05:40:00,446 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:40:00,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:40:00 BoogieIcfgContainer [2025-03-08 05:40:00,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:40:00,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:40:00,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:40:00,452 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:40:00,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:59" (3/4) ... [2025-03-08 05:40:00,453 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-08 05:40:00,504 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 31. [2025-03-08 05:40:00,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:40:00,559 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:40:00,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:40:00,559 INFO L158 Benchmark]: Toolchain (without parser) took 1764.82ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 43.7MB in the end (delta: 61.7MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2025-03-08 05:40:00,559 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:40:00,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.08ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 87.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:40:00,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.93ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:40:00,560 INFO L158 Benchmark]: Boogie Preprocessor took 29.93ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 84.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:40:00,560 INFO L158 Benchmark]: IcfgBuilder took 284.02ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 67.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:40:00,560 INFO L158 Benchmark]: TraceAbstraction took 988.31ms. Allocated memory is still 142.6MB. Free memory was 66.3MB in the beginning and 51.4MB in the end (delta: 14.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2025-03-08 05:40:00,561 INFO L158 Benchmark]: Witness Printer took 107.46ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 43.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:40:00,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.08ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 87.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.93ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.93ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 84.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 284.02ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 67.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 988.31ms. Allocated memory is still 142.6MB. Free memory was 66.3MB in the beginning and 51.4MB in the end (delta: 14.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 107.46ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 43.7MB in the end (delta: 7.7MB). 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [537] - GenericResultAtLocation [Line: 546]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [546] - GenericResultAtLocation [Line: 619]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [619] - GenericResultAtLocation [Line: 778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [778] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [816] * 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: 542]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] int retValue_acc ; [L891] int tmp ; [L895] FCALL select_helpers() [L896] FCALL select_features() [L897] CALL, EXPR valid_product() [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L897] RET, EXPR valid_product() [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L901] FCALL setup() [L902] CALL runTest() [L884] CALL test() [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L563] COND TRUE splverifierCounter < 4 [L569] tmp = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L573] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] COND TRUE waterLevel < 2 [L477] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND FALSE !(\read(tmp___2)) [L597] tmp___1 = __VERIFIER_nondet_int() [L599] COND TRUE \read(tmp___1) [L601] CALL stopSystem() [L759] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L601] RET stopSystem() [L608] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L630] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L637] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L645] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L61] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L71] CALL, EXPR isPumpRunning() [L711] int retValue_acc ; [L714] retValue_acc = pumpRunning [L715] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L71] RET, EXPR isPumpRunning() [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) [L77] CALL __automaton_fail() [L542] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 79 locations, 115 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 647 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 306 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 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! [2025-03-08 05:40:00,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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