./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product04.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_product04.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 b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:39:53,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:39:53,837 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:39:53,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:39:53,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:39:53,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:39:53,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:39:53,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:39:53,855 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:39:53,855 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:39:53,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:39:53,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:39:53,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:39:53,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:39:53,856 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:39:53,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:39:53,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:39:53,856 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:39:53,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:39:53,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:39:53,857 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:39:53,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:39:53,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:39:53,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:39:53,859 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 -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab [2025-03-08 05:39:54,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:39:54,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:39:54,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:39:54,063 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:39:54,063 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:39:54,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2025-03-08 05:39:55,181 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670c046d3/84cd7501327943baa795cee5ebee3f53/FLAG93c8da61b [2025-03-08 05:39:55,465 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:39:55,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2025-03-08 05:39:55,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670c046d3/84cd7501327943baa795cee5ebee3f53/FLAG93c8da61b [2025-03-08 05:39:55,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670c046d3/84cd7501327943baa795cee5ebee3f53 [2025-03-08 05:39:55,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:39:55,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:39:55,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:39:55,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:39:55,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:39:55,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:39:55" (1/1) ... [2025-03-08 05:39:55,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adfef1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:55, skipping insertion in model container [2025-03-08 05:39:55,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:39:55" (1/1) ... [2025-03-08 05:39:55,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:39:56,004 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_product04.cil.c[14184,14197] [2025-03-08 05:39:56,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:39:56,030 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:39:56,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-03-08 05:39:56,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] [2025-03-08 05:39:56,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] [2025-03-08 05:39:56,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] [2025-03-08 05:39:56,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [638] [2025-03-08 05:39:56,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [647] [2025-03-08 05:39:56,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [682] [2025-03-08 05:39:56,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [816] [2025-03-08 05:39:56,086 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_product04.cil.c[14184,14197] [2025-03-08 05:39:56,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:39:56,115 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:39:56,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56 WrapperNode [2025-03-08 05:39:56,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:39:56,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:39:56,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:39:56,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:39:56,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,149 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 146 [2025-03-08 05:39:56,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:39:56,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:39:56,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:39:56,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:39:56,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,171 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 05:39:56,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,174 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:39:56,177 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:39:56,177 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:39:56,177 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:39:56,178 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (1/1) ... [2025-03-08 05:39:56,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:39:56,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:39:56,205 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 05:39:56,208 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 05:39:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:39:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-08 05:39:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-08 05:39:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-08 05:39:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-08 05:39:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-08 05:39:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-08 05:39:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-08 05:39:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-08 05:39:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:39:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-08 05:39:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-08 05:39:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:39:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:39:56,297 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:39:56,299 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:39:56,394 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-03-08 05:39:56,395 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-03-08 05:39:56,422 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L100: #res := ~retValue_acc~0; [2025-03-08 05:39:56,511 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L635-1: main_#res#1 := main_~retValue_acc~7#1; [2025-03-08 05:39:56,512 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L536-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2025-03-08 05:39:56,526 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2025-03-08 05:39:56,526 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:39:56,537 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:39:56,538 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:39:56,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:56 BoogieIcfgContainer [2025-03-08 05:39:56,538 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:39:56,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:39:56,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:39:56,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:39:56,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:39:55" (1/3) ... [2025-03-08 05:39:56,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a9822fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:39:56, skipping insertion in model container [2025-03-08 05:39:56,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:56" (2/3) ... [2025-03-08 05:39:56,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a9822fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:39:56, skipping insertion in model container [2025-03-08 05:39:56,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:56" (3/3) ... [2025-03-08 05:39:56,546 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2025-03-08 05:39:56,558 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:39:56,560 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product04.cil.c that has 6 procedures, 66 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 05:39:56,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:39:56,615 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;@6990ce0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:39:56,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:39:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 56 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-08 05:39:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-08 05:39:56,626 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:56,626 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 05:39:56,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:56,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:56,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1573212248, now seen corresponding path program 1 times [2025-03-08 05:39:56,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:56,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638484347] [2025-03-08 05:39:56,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:56,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:56,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 05:39:56,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 05:39:56,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:56,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:56,819 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 05:39:56,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:56,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638484347] [2025-03-08 05:39:56,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638484347] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:56,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:56,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:39:56,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155497140] [2025-03-08 05:39:56,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:56,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:39:56,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:56,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:39:56,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:39:56,844 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 56 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 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 05:39:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:56,872 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2025-03-08 05:39:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:39:56,874 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 05:39:56,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:56,878 INFO L225 Difference]: With dead ends: 112 [2025-03-08 05:39:56,878 INFO L226 Difference]: Without dead ends: 49 [2025-03-08 05:39:56,882 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 05:39:56,885 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 17 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 108 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 05:39:56,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:56,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-03-08 05:39:56,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-03-08 05:39:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.325) internal successors, (53), 43 states have internal predecessors, (53), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-08 05:39:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2025-03-08 05:39:56,917 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 25 [2025-03-08 05:39:56,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:56,918 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2025-03-08 05:39:56,918 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 05:39:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2025-03-08 05:39:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-08 05:39:56,919 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:56,919 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 05:39:56,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 05:39:56,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:56,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:56,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1284904432, now seen corresponding path program 1 times [2025-03-08 05:39:56,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:56,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759890537] [2025-03-08 05:39:56,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:56,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:56,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-08 05:39:56,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-08 05:39:56,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:56,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:57,062 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 05:39:57,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:57,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759890537] [2025-03-08 05:39:57,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759890537] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:57,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:57,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:39:57,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258664210] [2025-03-08 05:39:57,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:57,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:39:57,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:57,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:39:57,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:39:57,066 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 05:39:57,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:57,117 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2025-03-08 05:39:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:39:57,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 05:39:57,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:57,121 INFO L225 Difference]: With dead ends: 130 [2025-03-08 05:39:57,122 INFO L226 Difference]: Without dead ends: 88 [2025-03-08 05:39:57,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:39:57,124 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 54 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:39:57,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 220 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:57,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-03-08 05:39:57,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2025-03-08 05:39:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 71 states have internal predecessors, (90), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-03-08 05:39:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2025-03-08 05:39:57,144 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 29 [2025-03-08 05:39:57,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:57,145 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2025-03-08 05:39:57,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 05:39:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2025-03-08 05:39:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-08 05:39:57,146 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:57,147 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] [2025-03-08 05:39:57,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 05:39:57,147 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:57,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1847151605, now seen corresponding path program 1 times [2025-03-08 05:39:57,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:57,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127723497] [2025-03-08 05:39:57,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:57,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:57,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-08 05:39:57,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-08 05:39:57,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:57,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:57,280 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 05:39:57,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:57,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127723497] [2025-03-08 05:39:57,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127723497] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:57,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:57,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:39:57,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370505493] [2025-03-08 05:39:57,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:57,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:39:57,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:57,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:39:57,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:39:57,282 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 05:39:57,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:57,344 INFO L93 Difference]: Finished difference Result 223 states and 304 transitions. [2025-03-08 05:39:57,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:39:57,347 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), 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 30 [2025-03-08 05:39:57,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:57,348 INFO L225 Difference]: With dead ends: 223 [2025-03-08 05:39:57,348 INFO L226 Difference]: Without dead ends: 147 [2025-03-08 05:39:57,352 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 05:39:57,352 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 28 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 214 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 05:39:57,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 214 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:57,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-03-08 05:39:57,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2025-03-08 05:39:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 116 states have (on average 1.3448275862068966) internal successors, (156), 123 states have internal predecessors, (156), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (21), 14 states have call predecessors, (21), 16 states have call successors, (21) [2025-03-08 05:39:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 193 transitions. [2025-03-08 05:39:57,383 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 193 transitions. Word has length 30 [2025-03-08 05:39:57,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:57,383 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 193 transitions. [2025-03-08 05:39:57,383 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), 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 05:39:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 193 transitions. [2025-03-08 05:39:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-08 05:39:57,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:57,387 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 05:39:57,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 05:39:57,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:57,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:57,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1916054770, now seen corresponding path program 1 times [2025-03-08 05:39:57,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:57,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415812989] [2025-03-08 05:39:57,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:57,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:57,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 05:39:57,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 05:39:57,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:57,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:57,449 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 05:39:57,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:57,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415812989] [2025-03-08 05:39:57,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415812989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:57,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:39:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042441607] [2025-03-08 05:39:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:57,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:39:57,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:57,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:39:57,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:39:57,451 INFO L87 Difference]: Start difference. First operand 147 states and 193 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (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 05:39:57,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:57,466 INFO L93 Difference]: Finished difference Result 279 states and 372 transitions. [2025-03-08 05:39:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:39:57,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (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 05:39:57,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:57,468 INFO L225 Difference]: With dead ends: 279 [2025-03-08 05:39:57,468 INFO L226 Difference]: Without dead ends: 139 [2025-03-08 05:39:57,468 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 05:39:57,469 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:39:57,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 52 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:57,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-03-08 05:39:57,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-03-08 05:39:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 115 states have internal predecessors, (140), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (18), 14 states have call predecessors, (18), 16 states have call successors, (18) [2025-03-08 05:39:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 174 transitions. [2025-03-08 05:39:57,489 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 174 transitions. Word has length 32 [2025-03-08 05:39:57,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:57,489 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 174 transitions. [2025-03-08 05:39:57,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (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 05:39:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 174 transitions. [2025-03-08 05:39:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-08 05:39:57,491 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:57,491 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 05:39:57,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 05:39:57,491 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:57,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:57,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1411564969, now seen corresponding path program 1 times [2025-03-08 05:39:57,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:57,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487082186] [2025-03-08 05:39:57,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:57,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:57,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-08 05:39:57,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 05:39:57,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:57,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 05:39:57,510 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 05:39:57,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-08 05:39:57,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-08 05:39:57,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:57,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 05:39:57,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 05:39:57,538 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 05:39:57,538 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:39:57,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:39:57,541 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-08 05:39:57,563 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:39:57,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:39:57 BoogieIcfgContainer [2025-03-08 05:39:57,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:39:57,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:39:57,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:39:57,569 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:39:57,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:56" (3/4) ... [2025-03-08 05:39:57,570 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-08 05:39:57,614 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 29. [2025-03-08 05:39:57,653 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:39:57,654 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:39:57,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:39:57,654 INFO L158 Benchmark]: Toolchain (without parser) took 1893.25ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 48.1MB in the end (delta: 55.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2025-03-08 05:39:57,654 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:39:57,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.41ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 86.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:39:57,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.68ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:39:57,655 INFO L158 Benchmark]: Boogie Preprocessor took 26.62ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:39:57,655 INFO L158 Benchmark]: IcfgBuilder took 361.16ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 67.2MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:39:57,655 INFO L158 Benchmark]: TraceAbstraction took 1027.70ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 55.1MB in the end (delta: 11.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2025-03-08 05:39:57,655 INFO L158 Benchmark]: Witness Printer took 84.67ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 48.1MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:39:57,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.41ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 86.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.68ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.62ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 361.16ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 67.2MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1027.70ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 55.1MB in the end (delta: 11.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 84.67ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 48.1MB in the end (delta: 7.0MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [638] - GenericResultAtLocation [Line: 647]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [647] - GenericResultAtLocation [Line: 682]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [682] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.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: 643]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L839] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L839] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L859] CALL startSystem() [L812] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] RET startSystem() [L874] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] COND FALSE !(\read(pumpRunning)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L701] COND TRUE \read(systemActive) [L703] FCALL processEnvironment() [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); VAL [\old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND TRUE tmp___0 == 2 [L666] CALL, EXPR isPumpRunning() [L749] int retValue_acc ; [L752] retValue_acc = pumpRunning [L753] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L666] RET, EXPR isPumpRunning() [L666] tmp___1 = isPumpRunning() [L668] COND FALSE !(\read(tmp___1)) [L672] CALL __automaton_fail() [L643] reach_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 66 locations, 92 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 594 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 364 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 230 mSDtfsCounter, 38 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=147occurred in iteration=3, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 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 05:39:57,667 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