./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_product29.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 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:30:09,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:30:09,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:30:09,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:30:09,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:30:09,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:30:09,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:30:09,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:30:09,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:30:09,481 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:30:09,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:30:09,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:30:09,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:30:09,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:30:09,481 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:30:09,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:30:09,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:30:09,484 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:30:09,485 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:30:09,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:30:09,485 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:30:09,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:30:09,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:30:09,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:30:09,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:30:09,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:30:09,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:30:09,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:30:09,486 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 -> 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 [2025-03-03 14:30:09,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:30:09,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:30:09,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:30:09,714 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:30:09,715 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:30:09,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2025-03-03 14:30:10,902 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17556f454/b4e7d78bcdbe44538debceb70ea5d40e/FLAG1e6de08b0 [2025-03-03 14:30:11,140 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:30:11,141 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2025-03-03 14:30:11,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17556f454/b4e7d78bcdbe44538debceb70ea5d40e/FLAG1e6de08b0 [2025-03-03 14:30:11,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17556f454/b4e7d78bcdbe44538debceb70ea5d40e [2025-03-03 14:30:11,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:30:11,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:30:11,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:30:11,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:30:11,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:30:11,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad74007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11, skipping insertion in model container [2025-03-03 14:30:11,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:30:11,372 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_product29.cil.c[13732,13745] [2025-03-03 14:30:11,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:30:11,398 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:30:11,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2025-03-03 14:30:11,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-03-03 14:30:11,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [181] [2025-03-03 14:30:11,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [547] [2025-03-03 14:30:11,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [585] [2025-03-03 14:30:11,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [594] [2025-03-03 14:30:11,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [693] [2025-03-03 14:30:11,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [890] [2025-03-03 14:30:11,437 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_product29.cil.c[13732,13745] [2025-03-03 14:30:11,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:30:11,454 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:30:11,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11 WrapperNode [2025-03-03 14:30:11,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:30:11,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:30:11,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:30:11,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:30:11,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,478 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 178 [2025-03-03 14:30:11,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:30:11,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:30:11,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:30:11,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:30:11,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,494 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,503 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]. [2025-03-03 14:30:11,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:30:11,510 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:30:11,511 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:30:11,511 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:30:11,511 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (1/1) ... [2025-03-03 14:30:11,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:30:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:30:11,532 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) [2025-03-03 14:30:11,534 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 [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-03-03 14:30:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-03-03 14:30:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:30:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-03 14:30:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-03 14:30:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:30:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:30:11,604 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:30:11,605 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:30:11,693 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-03 14:30:11,693 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L169-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-03-03 14:30:11,727 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: #res := ~retValue_acc~0; [2025-03-03 14:30:11,782 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L690-1: main_#res#1 := main_~retValue_acc~8#1; [2025-03-03 14:30:11,783 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L582-1: valid_product_#res#1 := valid_product_~retValue_acc~7#1; [2025-03-03 14:30:11,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L887-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-03 14:30:11,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L178-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~2#1; [2025-03-03 14:30:11,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L823: #res := ~retValue_acc~9; [2025-03-03 14:30:11,831 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2025-03-03 14:30:11,832 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:30:11,844 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:30:11,844 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:30:11,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:30:11 BoogieIcfgContainer [2025-03-03 14:30:11,845 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:30:11,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:30:11,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:30:11,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:30:11,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:30:11" (1/3) ... [2025-03-03 14:30:11,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efe117d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:30:11, skipping insertion in model container [2025-03-03 14:30:11,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:30:11" (2/3) ... [2025-03-03 14:30:11,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efe117d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:30:11, skipping insertion in model container [2025-03-03 14:30:11,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:30:11" (3/3) ... [2025-03-03 14:30:11,853 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2025-03-03 14:30:11,865 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:30:11,867 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product29.cil.c that has 10 procedures, 92 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-03 14:30:11,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:30:11,911 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;@22c0cf1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:30:11,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:30:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 74 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-03 14:30:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-03 14:30:11,919 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:30:11,919 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] [2025-03-03 14:30:11,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:30:11,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:30:11,926 INFO L85 PathProgramCache]: Analyzing trace with hash 846258789, now seen corresponding path program 1 times [2025-03-03 14:30:11,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:30:11,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429065780] [2025-03-03 14:30:11,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:30:11,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:30:11,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-03 14:30:11,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-03 14:30:11,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:30:11,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:30:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:30:12,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:30:12,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429065780] [2025-03-03 14:30:12,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429065780] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:30:12,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:30:12,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 14:30:12,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598690918] [2025-03-03 14:30:12,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:30:12,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:30:12,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:30:12,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:30:12,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 14:30:12,066 INFO L87 Difference]: Start difference. First operand has 92 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 74 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 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) [2025-03-03 14:30:12,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:30:12,093 INFO L93 Difference]: Finished difference Result 176 states and 233 transitions. [2025-03-03 14:30:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:30:12,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 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 [2025-03-03 14:30:12,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:30:12,100 INFO L225 Difference]: With dead ends: 176 [2025-03-03 14:30:12,100 INFO L226 Difference]: Without dead ends: 83 [2025-03-03 14:30:12,102 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 [2025-03-03 14:30:12,104 INFO L435 NwaCegarLoop]: 115 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, 115 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 [2025-03-03 14:30:12,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:30:12,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-03-03 14:30:12,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-03-03 14:30:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-03 14:30:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2025-03-03 14:30:12,134 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 25 [2025-03-03 14:30:12,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:30:12,134 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2025-03-03 14:30:12,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 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) [2025-03-03 14:30:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2025-03-03 14:30:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-03 14:30:12,137 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:30:12,137 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] [2025-03-03 14:30:12,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 14:30:12,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:30:12,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:30:12,139 INFO L85 PathProgramCache]: Analyzing trace with hash 865129632, now seen corresponding path program 1 times [2025-03-03 14:30:12,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:30:12,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429758302] [2025-03-03 14:30:12,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:30:12,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:30:12,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-03 14:30:12,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-03 14:30:12,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:30:12,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:30:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:30:12,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:30:12,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429758302] [2025-03-03 14:30:12,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429758302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:30:12,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:30:12,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 14:30:12,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357105260] [2025-03-03 14:30:12,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:30:12,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:30:12,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:30:12,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:30:12,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:30:12,236 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-03-03 14:30:12,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:30:12,250 INFO L93 Difference]: Finished difference Result 133 states and 169 transitions. [2025-03-03 14:30:12,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:30:12,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2025-03-03 14:30:12,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:30:12,252 INFO L225 Difference]: With dead ends: 133 [2025-03-03 14:30:12,252 INFO L226 Difference]: Without dead ends: 74 [2025-03-03 14:30:12,253 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 [2025-03-03 14:30:12,253 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 11 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 171 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 [2025-03-03 14:30:12,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:30:12,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-03 14:30:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-03-03 14:30:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-03 14:30:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2025-03-03 14:30:12,260 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 26 [2025-03-03 14:30:12,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:30:12,260 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2025-03-03 14:30:12,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-03-03 14:30:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2025-03-03 14:30:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-03 14:30:12,261 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:30:12,261 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] [2025-03-03 14:30:12,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 14:30:12,261 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:30:12,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:30:12,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1429394901, now seen corresponding path program 1 times [2025-03-03 14:30:12,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:30:12,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680521587] [2025-03-03 14:30:12,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:30:12,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:30:12,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-03 14:30:12,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-03 14:30:12,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:30:12,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:30:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:30:12,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:30:12,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680521587] [2025-03-03 14:30:12,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680521587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:30:12,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:30:12,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 14:30:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883965503] [2025-03-03 14:30:12,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:30:12,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 14:30:12,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:30:12,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 14:30:12,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:30:12,396 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2025-03-03 14:30:12,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:30:12,510 INFO L93 Difference]: Finished difference Result 141 states and 182 transitions. [2025-03-03 14:30:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:30:12,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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 [2025-03-03 14:30:12,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:30:12,512 INFO L225 Difference]: With dead ends: 141 [2025-03-03 14:30:12,514 INFO L226 Difference]: Without dead ends: 74 [2025-03-03 14:30:12,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:30:12,515 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 90 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 14:30:12,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 218 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 14:30:12,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-03-03 14:30:12,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-03-03 14:30:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-03 14:30:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2025-03-03 14:30:12,527 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 29 [2025-03-03 14:30:12,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:30:12,528 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2025-03-03 14:30:12,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2025-03-03 14:30:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2025-03-03 14:30:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-03 14:30:12,529 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:30:12,529 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:30:12,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 14:30:12,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:30:12,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:30:12,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1759981702, now seen corresponding path program 1 times [2025-03-03 14:30:12,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:30:12,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106732239] [2025-03-03 14:30:12,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:30:12,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:30:12,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-03 14:30:12,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-03 14:30:12,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:30:12,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:30:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:30:12,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:30:12,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106732239] [2025-03-03 14:30:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106732239] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:30:12,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:30:12,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:30:12,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590403946] [2025-03-03 14:30:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:30:12,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:30:12,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:30:12,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:30:12,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:30:12,633 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-03 14:30:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:30:12,700 INFO L93 Difference]: Finished difference Result 201 states and 262 transitions. [2025-03-03 14:30:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:30:12,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2025-03-03 14:30:12,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:30:12,703 INFO L225 Difference]: With dead ends: 201 [2025-03-03 14:30:12,703 INFO L226 Difference]: Without dead ends: 134 [2025-03-03 14:30:12,703 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 [2025-03-03 14:30:12,704 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 58 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:30:12,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 338 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:30:12,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-03-03 14:30:12,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-03-03 14:30:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 94 states have (on average 1.297872340425532) internal successors, (122), 106 states have internal predecessors, (122), 24 states have call successors, (24), 16 states have call predecessors, (24), 15 states have return successors, (25), 15 states have call predecessors, (25), 24 states have call successors, (25) [2025-03-03 14:30:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 171 transitions. [2025-03-03 14:30:12,726 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 171 transitions. Word has length 39 [2025-03-03 14:30:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:30:12,726 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 171 transitions. [2025-03-03 14:30:12,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-03 14:30:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2025-03-03 14:30:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-03 14:30:12,730 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:30:12,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:30:12,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 14:30:12,731 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:30:12,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:30:12,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1217197975, now seen corresponding path program 1 times [2025-03-03 14:30:12,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:30:12,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369586999] [2025-03-03 14:30:12,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:30:12,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:30:12,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-03 14:30:12,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-03 14:30:12,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:30:12,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:30:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:30:12,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:30:12,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369586999] [2025-03-03 14:30:12,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369586999] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:30:12,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:30:12,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 14:30:12,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409314196] [2025-03-03 14:30:12,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:30:12,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:30:12,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:30:12,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:30:12,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:30:12,813 INFO L87 Difference]: Start difference. First operand 134 states and 171 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-03 14:30:12,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:30:12,828 INFO L93 Difference]: Finished difference Result 218 states and 281 transitions. [2025-03-03 14:30:12,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:30:12,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2025-03-03 14:30:12,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:30:12,830 INFO L225 Difference]: With dead ends: 218 [2025-03-03 14:30:12,831 INFO L226 Difference]: Without dead ends: 91 [2025-03-03 14:30:12,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:30:12,832 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:30:12,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 56 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:30:12,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-03-03 14:30:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-03-03 14:30:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 71 states have internal predecessors, (82), 12 states have call successors, (12), 12 states have call predecessors, (12), 11 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-03 14:30:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2025-03-03 14:30:12,843 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 41 [2025-03-03 14:30:12,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:30:12,843 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2025-03-03 14:30:12,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-03 14:30:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2025-03-03 14:30:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-03 14:30:12,845 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:30:12,845 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:30:12,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-03 14:30:12,845 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:30:12,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:30:12,846 INFO L85 PathProgramCache]: Analyzing trace with hash -965878328, now seen corresponding path program 1 times [2025-03-03 14:30:12,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:30:12,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110118218] [2025-03-03 14:30:12,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:30:12,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:30:12,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-03 14:30:12,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-03 14:30:12,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:30:12,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 14:30:12,861 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 14:30:12,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-03 14:30:12,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-03 14:30:12,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:30:12,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 14:30:12,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 14:30:12,881 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 14:30:12,881 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:30:12,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 14:30:12,884 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-03 14:30:12,929 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:30:12,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:30:12 BoogieIcfgContainer [2025-03-03 14:30:12,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:30:12,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:30:12,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:30:12,934 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:30:12,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:30:11" (3/4) ... [2025-03-03 14:30:12,936 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-03 14:30:12,998 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 34. [2025-03-03 14:30:13,062 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:30:13,063 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:30:13,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:30:13,063 INFO L158 Benchmark]: Toolchain (without parser) took 1897.69ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 107.4MB in the end (delta: 4.7MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2025-03-03 14:30:13,064 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:30:13,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.27ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 93.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:30:13,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.23ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 91.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:30:13,064 INFO L158 Benchmark]: Boogie Preprocessor took 30.59ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:30:13,064 INFO L158 Benchmark]: IcfgBuilder took 334.61ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 72.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:30:13,064 INFO L158 Benchmark]: TraceAbstraction took 1086.73ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 44.4MB in the end (delta: 27.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2025-03-03 14:30:13,065 INFO L158 Benchmark]: Witness Printer took 128.62ms. Allocated memory is still 142.6MB. Free memory was 44.4MB in the beginning and 107.4MB in the end (delta: -63.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2025-03-03 14:30:13,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.27ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 93.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.23ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 91.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.59ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 334.61ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 72.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1086.73ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 44.4MB in the end (delta: 27.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Witness Printer took 128.62ms. Allocated memory is still 142.6MB. Free memory was 44.4MB in the beginning and 107.4MB in the end (delta: -63.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [181] - GenericResultAtLocation [Line: 547]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [547] - GenericResultAtLocation [Line: 585]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [585] - GenericResultAtLocation [Line: 594]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [594] - GenericResultAtLocation [Line: 693]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [693] - GenericResultAtLocation [Line: 890]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [890] * 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: 590]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L93] int waterLevel = 1; [L94] int methaneLevelCritical = 0; [L351] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L577] int retValue_acc ; [L580] retValue_acc = 1 [L581] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L892] int splverifierCounter ; [L893] int tmp ; [L894] int tmp___0 ; [L895] int tmp___1 ; [L896] int tmp___2 ; [L899] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L901] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L903] COND TRUE splverifierCounter < 4 [L909] tmp = __VERIFIER_nondet_int() [L911] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L913] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L111] COND TRUE waterLevel < 2 [L112] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L913] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L919] tmp___0 = __VERIFIER_nondet_int() [L921] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L929] tmp___2 = __VERIFIER_nondet_int() [L931] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L944] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L703] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L758] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L735] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] RET processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] int retValue_acc ; [L135] retValue_acc = methaneLevelCritical [L136] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L164] int retValue_acc ; [L167] retValue_acc = waterLevel [L168] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L71] CALL, EXPR isPumpRunning() [L827] int retValue_acc ; [L830] retValue_acc = pumpRunning [L831] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L71] RET, EXPR isPumpRunning() [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) [L77] CALL __automaton_fail() [L590] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 898 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 457 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 441 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 0.3s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 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 RESULT: Ultimate proved your program to be incorrect! [2025-03-03 14:30:13,084 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