./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:53:05,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:53:05,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:53:05,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:53:05,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:53:05,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:53:05,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:53:05,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:53:05,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:53:05,922 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:53:05,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:53:05,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:53:05,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:53:05,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:53:05,922 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:53:05,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:53:05,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:53:05,922 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:53:05,923 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:53:05,923 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:53:05,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:53:05,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:53:05,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:53:05,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:53:05,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:53:05,925 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2025-02-05 15:53:06,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:53:06,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:53:06,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:53:06,188 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:53:06,188 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:53:06,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2025-02-05 15:53:07,490 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6d27158a/5ead138b78be4f50ab1b001bf2afbcb9/FLAGff53a0aee [2025-02-05 15:53:07,759 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:53:07,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2025-02-05 15:53:07,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6d27158a/5ead138b78be4f50ab1b001bf2afbcb9/FLAGff53a0aee [2025-02-05 15:53:08,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b6d27158a/5ead138b78be4f50ab1b001bf2afbcb9 [2025-02-05 15:53:08,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:53:08,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:53:08,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:53:08,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:53:08,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:53:08,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4202aa30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08, skipping insertion in model container [2025-02-05 15:53:08,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:53:08,305 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2025-02-05 15:53:08,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:53:08,325 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:53:08,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-02-05 15:53:08,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-02-05 15:53:08,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] [2025-02-05 15:53:08,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] [2025-02-05 15:53:08,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2025-02-05 15:53:08,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] [2025-02-05 15:53:08,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] [2025-02-05 15:53:08,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] [2025-02-05 15:53:08,382 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2025-02-05 15:53:08,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:53:08,409 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:53:08,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08 WrapperNode [2025-02-05 15:53:08,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:53:08,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:53:08,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:53:08,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:53:08,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,445 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 160 [2025-02-05 15:53:08,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:53:08,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:53:08,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:53:08,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:53:08,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,476 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]. [2025-02-05 15:53:08,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:53:08,483 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:53:08,483 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:53:08,483 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:53:08,484 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (1/1) ... [2025-02-05 15:53:08,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:53:08,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:53:08,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:53:08,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-02-05 15:53:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-02-05 15:53:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-02-05 15:53:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-02-05 15:53:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-02-05 15:53:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:53:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-02-05 15:53:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-02-05 15:53:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:53:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:53:08,580 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:53:08,581 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:53:08,632 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint cleanupFINAL: assume true; [2025-02-05 15:53:08,689 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-05 15:53:08,689 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-02-05 15:53:08,749 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-1: main_#res#1 := main_~retValue_acc~9#1; [2025-02-05 15:53:08,750 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-02-05 15:53:08,767 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L716: #res#1 := ~retValue_acc~7#1; [2025-02-05 15:53:08,767 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L138-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-05 15:53:08,782 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2025-02-05 15:53:08,783 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:53:08,792 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:53:08,793 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:53:08,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:53:08 BoogieIcfgContainer [2025-02-05 15:53:08,793 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:53:08,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:53:08,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:53:08,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:53:08,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:53:08" (1/3) ... [2025-02-05 15:53:08,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a16b2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:53:08, skipping insertion in model container [2025-02-05 15:53:08,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:53:08" (2/3) ... [2025-02-05 15:53:08,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a16b2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:53:08, skipping insertion in model container [2025-02-05 15:53:08,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:53:08" (3/3) ... [2025-02-05 15:53:08,803 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2025-02-05 15:53:08,821 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:53:08,823 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product14.cil.c that has 7 procedures, 71 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-05 15:53:08,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:53:08,883 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;@6b23432b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:53:08,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:53:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 59 states have internal predecessors, (72), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-05 15:53:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-05 15:53:08,894 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:53:08,894 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:53:08,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:53:08,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:53:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1583715337, now seen corresponding path program 1 times [2025-02-05 15:53:08,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:53:08,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331814866] [2025-02-05 15:53:08,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:53:08,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:53:08,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-05 15:53:09,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-05 15:53:09,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:53:09,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:53:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:53:09,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:53:09,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331814866] [2025-02-05 15:53:09,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331814866] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:53:09,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:53:09,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 15:53:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238081156] [2025-02-05 15:53:09,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:53:09,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:53:09,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:53:09,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:53:09,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 15:53:09,104 INFO L87 Difference]: Start difference. First operand has 70 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 59 states have internal predecessors, (72), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:53:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:53:09,120 INFO L93 Difference]: Finished difference Result 124 states and 165 transitions. [2025-02-05 15:53:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:53:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-02-05 15:53:09,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:53:09,126 INFO L225 Difference]: With dead ends: 124 [2025-02-05 15:53:09,127 INFO L226 Difference]: Without dead ends: 62 [2025-02-05 15:53:09,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 15:53:09,131 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:53:09,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:53:09,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-05 15:53:09,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-02-05 15:53:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-05 15:53:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2025-02-05 15:53:09,161 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 19 [2025-02-05 15:53:09,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:53:09,163 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2025-02-05 15:53:09,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:53:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2025-02-05 15:53:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-05 15:53:09,164 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:53:09,165 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] [2025-02-05 15:53:09,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 15:53:09,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:53:09,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:53:09,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1473415641, now seen corresponding path program 1 times [2025-02-05 15:53:09,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:53:09,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143948785] [2025-02-05 15:53:09,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:53:09,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:53:09,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-05 15:53:09,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-05 15:53:09,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:53:09,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:53:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:53:09,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:53:09,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143948785] [2025-02-05 15:53:09,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143948785] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:53:09,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:53:09,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:53:09,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085816328] [2025-02-05 15:53:09,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:53:09,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:53:09,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:53:09,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:53:09,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:53:09,254 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:53:09,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:53:09,267 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2025-02-05 15:53:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:53:09,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-02-05 15:53:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:53:09,272 INFO L225 Difference]: With dead ends: 90 [2025-02-05 15:53:09,272 INFO L226 Difference]: Without dead ends: 53 [2025-02-05 15:53:09,272 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 [2025-02-05 15:53:09,273 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 12 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 114 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 [2025-02-05 15:53:09,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:53:09,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-02-05 15:53:09,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-02-05 15:53:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-05 15:53:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2025-02-05 15:53:09,286 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 20 [2025-02-05 15:53:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:53:09,286 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2025-02-05 15:53:09,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:53:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2025-02-05 15:53:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-05 15:53:09,287 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:53:09,287 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] [2025-02-05 15:53:09,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 15:53:09,287 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:53:09,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:53:09,288 INFO L85 PathProgramCache]: Analyzing trace with hash -304347652, now seen corresponding path program 1 times [2025-02-05 15:53:09,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:53:09,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238450281] [2025-02-05 15:53:09,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:53:09,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:53:09,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-05 15:53:09,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-05 15:53:09,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:53:09,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:53:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:53:09,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:53:09,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238450281] [2025-02-05 15:53:09,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238450281] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:53:09,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:53:09,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:53:09,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55327564] [2025-02-05 15:53:09,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:53:09,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:53:09,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:53:09,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:53:09,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:53:09,402 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:53:09,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:53:09,433 INFO L93 Difference]: Finished difference Result 99 states and 126 transitions. [2025-02-05 15:53:09,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:53:09,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-02-05 15:53:09,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:53:09,434 INFO L225 Difference]: With dead ends: 99 [2025-02-05 15:53:09,434 INFO L226 Difference]: Without dead ends: 53 [2025-02-05 15:53:09,434 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 [2025-02-05 15:53:09,434 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 60 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:53:09,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 184 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:53:09,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-02-05 15:53:09,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-02-05 15:53:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 46 states have internal predecessors, (53), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-05 15:53:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2025-02-05 15:53:09,444 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 24 [2025-02-05 15:53:09,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:53:09,444 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2025-02-05 15:53:09,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:53:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2025-02-05 15:53:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-05 15:53:09,445 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:53:09,445 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] [2025-02-05 15:53:09,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 15:53:09,445 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:53:09,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:53:09,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1875063256, now seen corresponding path program 1 times [2025-02-05 15:53:09,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:53:09,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186129064] [2025-02-05 15:53:09,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:53:09,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:53:09,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-05 15:53:09,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-05 15:53:09,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:53:09,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:53:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:53:09,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:53:09,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186129064] [2025-02-05 15:53:09,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186129064] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:53:09,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:53:09,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:53:09,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766914964] [2025-02-05 15:53:09,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:53:09,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:53:09,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:53:09,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:53:09,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:53:09,628 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 15:53:09,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:53:09,724 INFO L93 Difference]: Finished difference Result 138 states and 178 transitions. [2025-02-05 15:53:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:53:09,726 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), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-05 15:53:09,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:53:09,727 INFO L225 Difference]: With dead ends: 138 [2025-02-05 15:53:09,731 INFO L226 Difference]: Without dead ends: 92 [2025-02-05 15:53:09,732 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 [2025-02-05 15:53:09,732 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 32 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 15:53:09,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 231 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 15:53:09,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-05 15:53:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-05 15:53:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 78 states have internal predecessors, (90), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-05 15:53:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2025-02-05 15:53:09,759 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 29 [2025-02-05 15:53:09,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:53:09,759 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2025-02-05 15:53:09,759 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), 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) [2025-02-05 15:53:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2025-02-05 15:53:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-05 15:53:09,760 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:53:09,760 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:53:09,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 15:53:09,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:53:09,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:53:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1251799866, now seen corresponding path program 1 times [2025-02-05 15:53:09,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:53:09,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878264871] [2025-02-05 15:53:09,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:53:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:53:09,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-05 15:53:09,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-05 15:53:09,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:53:09,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:53:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 15:53:09,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:53:09,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878264871] [2025-02-05 15:53:09,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878264871] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:53:09,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:53:09,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:53:09,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487080741] [2025-02-05 15:53:09,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:53:09,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:53:09,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:53:09,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:53:09,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:53:09,846 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:53:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:53:09,885 INFO L93 Difference]: Finished difference Result 154 states and 198 transitions. [2025-02-05 15:53:09,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:53:09,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2025-02-05 15:53:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:53:09,887 INFO L225 Difference]: With dead ends: 154 [2025-02-05 15:53:09,887 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:53:09,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:53:09,888 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:53:09,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 124 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:53:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:53:09,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:53:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:53:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:53:09,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2025-02-05 15:53:09,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:53:09,889 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:53:09,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:53:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:53:09,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:53:09,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:53:09,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 15:53:09,895 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-05 15:53:09,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:53:10,427 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:53:10,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:53:10 BoogieIcfgContainer [2025-02-05 15:53:10,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:53:10,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:53:10,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:53:10,452 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:53:10,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:53:08" (3/4) ... [2025-02-05 15:53:10,458 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:53:10,465 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-02-05 15:53:10,469 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-02-05 15:53:10,469 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-02-05 15:53:10,470 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-02-05 15:53:10,470 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2025-02-05 15:53:10,470 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2025-02-05 15:53:10,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-05 15:53:10,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-05 15:53:10,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-05 15:53:10,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:53:10,478 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:53:10,601 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:53:10,602 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:53:10,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:53:10,603 INFO L158 Benchmark]: Toolchain (without parser) took 2545.92ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 109.0MB in the end (delta: 5.9MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2025-02-05 15:53:10,603 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:53:10,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.52ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 96.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:53:10,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.51ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:53:10,604 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.6MB in the end (delta: 815.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:53:10,605 INFO L158 Benchmark]: IcfgBuilder took 310.44ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 76.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:53:10,605 INFO L158 Benchmark]: TraceAbstraction took 1654.65ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 48.5MB in the end (delta: 27.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2025-02-05 15:53:10,605 INFO L158 Benchmark]: Witness Printer took 150.33ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 109.0MB in the end (delta: -60.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:53:10,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.52ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 96.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.51ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.6MB in the end (delta: 815.5kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 310.44ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 76.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1654.65ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 48.5MB in the end (delta: 27.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 150.33ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 109.0MB in the end (delta: -60.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 772]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] - GenericResultAtLocation [Line: 781]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 777]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 736 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 424 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 312 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 553]: Location Invariant Derived location invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 != systemActive)) - InvariantResult [Line: 793]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-05 15:53:10,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE