./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product03.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 e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:38:18,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:38:18,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:38:18,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:38:18,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:38:18,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:38:18,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:38:18,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:38:18,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:38:18,399 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:38:18,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:38:18,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:38:18,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:38:18,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:38:18,400 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:38:18,401 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:38:18,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:38:18,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:38:18,401 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 -> e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f [2025-03-08 05:38:18,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:38:18,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:38:18,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:38:18,629 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:38:18,629 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:38:18,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2025-03-08 05:38:19,787 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12723d6b7/b68daebaa05048239f3ef1cfefd8db5b/FLAGb7208b258 [2025-03-08 05:38:20,092 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:38:20,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2025-03-08 05:38:20,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12723d6b7/b68daebaa05048239f3ef1cfefd8db5b/FLAGb7208b258 [2025-03-08 05:38:20,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12723d6b7/b68daebaa05048239f3ef1cfefd8db5b [2025-03-08 05:38:20,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:38:20,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:38:20,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:38:20,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:38:20,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:38:20,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fdff9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20, skipping insertion in model container [2025-03-08 05:38:20,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:38:20,312 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_spec1_product03.cil.c[6886,6899] [2025-03-08 05:38:20,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:38:20,375 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:38:20,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2025-03-08 05:38:20,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [121] [2025-03-08 05:38:20,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] [2025-03-08 05:38:20,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] [2025-03-08 05:38:20,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] [2025-03-08 05:38:20,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [466] [2025-03-08 05:38:20,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [475] [2025-03-08 05:38:20,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] [2025-03-08 05:38:20,406 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_spec1_product03.cil.c[6886,6899] [2025-03-08 05:38:20,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:38:20,469 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:38:20,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20 WrapperNode [2025-03-08 05:38:20,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:38:20,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:38:20,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:38:20,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:38:20,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,498 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 131 [2025-03-08 05:38:20,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:38:20,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:38:20,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:38:20,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:38:20,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,524 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 05:38:20,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,527 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:38:20,530 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:38:20,530 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:38:20,530 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:38:20,531 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (1/1) ... [2025-03-08 05:38:20,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:38:20,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:38:20,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 05:38:20,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 05:38:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:38:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-08 05:38:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-08 05:38:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-08 05:38:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-08 05:38:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-08 05:38:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-08 05:38:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-08 05:38:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-08 05:38:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:38:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-08 05:38:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-08 05:38:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:38:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:38:20,632 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:38:20,634 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:38:20,665 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L335: #res := ~retValue_acc~4; [2025-03-08 05:38:20,737 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L235-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2025-03-08 05:38:20,799 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-1: main_#res#1 := main_~retValue_acc~6#1; [2025-03-08 05:38:20,799 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L156-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-08 05:38:20,815 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-03-08 05:38:20,816 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:38:20,824 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:38:20,824 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:38:20,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:38:20 BoogieIcfgContainer [2025-03-08 05:38:20,824 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:38:20,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:38:20,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:38:20,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:38:20,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:38:20" (1/3) ... [2025-03-08 05:38:20,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efb8761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:38:20, skipping insertion in model container [2025-03-08 05:38:20,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:20" (2/3) ... [2025-03-08 05:38:20,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efb8761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:38:20, skipping insertion in model container [2025-03-08 05:38:20,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:38:20" (3/3) ... [2025-03-08 05:38:20,832 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2025-03-08 05:38:20,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:38:20,844 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product03.cil.c that has 6 procedures, 63 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 05:38:20,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:38:20,892 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;@72f157ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:38:20,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:38:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 53 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-08 05:38:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-08 05:38:20,903 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:20,903 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] [2025-03-08 05:38:20,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:20,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1552622825, now seen corresponding path program 1 times [2025-03-08 05:38:20,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:20,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915212279] [2025-03-08 05:38:20,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:20,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:20,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 05:38:21,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 05:38:21,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:21,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:38:21,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:21,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915212279] [2025-03-08 05:38:21,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915212279] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:21,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:21,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 05:38:21,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524850729] [2025-03-08 05:38:21,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:21,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 05:38:21,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:21,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 05:38:21,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 05:38:21,090 INFO L87 Difference]: Start difference. First operand has 63 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 53 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:21,111 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2025-03-08 05:38:21,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 05:38:21,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2025-03-08 05:38:21,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:21,120 INFO L225 Difference]: With dead ends: 118 [2025-03-08 05:38:21,120 INFO L226 Difference]: Without dead ends: 54 [2025-03-08 05:38:21,123 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 [2025-03-08 05:38:21,126 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2025-03-08 05:38:21,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:38:21,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-03-08 05:38:21,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2025-03-08 05:38:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 45 states have internal predecessors, (55), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-08 05:38:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2025-03-08 05:38:21,162 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 23 [2025-03-08 05:38:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:21,162 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2025-03-08 05:38:21,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2025-03-08 05:38:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-08 05:38:21,165 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:21,165 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, 1, 1, 1] [2025-03-08 05:38:21,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 05:38:21,166 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:21,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:21,167 INFO L85 PathProgramCache]: Analyzing trace with hash -531554471, now seen corresponding path program 1 times [2025-03-08 05:38:21,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:21,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029659226] [2025-03-08 05:38:21,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:21,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:21,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 05:38:21,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 05:38:21,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:21,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:38:21,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:21,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029659226] [2025-03-08 05:38:21,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029659226] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:21,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:21,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:38:21,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588730744] [2025-03-08 05:38:21,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:21,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:38:21,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:21,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:38:21,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:38:21,267 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:21,277 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2025-03-08 05:38:21,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:38:21,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23 [2025-03-08 05:38:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:21,279 INFO L225 Difference]: With dead ends: 73 [2025-03-08 05:38:21,279 INFO L226 Difference]: Without dead ends: 46 [2025-03-08 05:38:21,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:38:21,281 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 16 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:38:21,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 93 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:38:21,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-08 05:38:21,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-08 05:38:21,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-08 05:38:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2025-03-08 05:38:21,287 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 23 [2025-03-08 05:38:21,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:21,287 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2025-03-08 05:38:21,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2025-03-08 05:38:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-08 05:38:21,288 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:21,288 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] [2025-03-08 05:38:21,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 05:38:21,288 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:21,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:21,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1844013680, now seen corresponding path program 1 times [2025-03-08 05:38:21,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:21,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332807626] [2025-03-08 05:38:21,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:21,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:21,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-08 05:38:21,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-08 05:38:21,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:21,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:38:21,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332807626] [2025-03-08 05:38:21,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332807626] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:21,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:38:21,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146258668] [2025-03-08 05:38:21,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:21,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:38:21,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:21,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:38:21,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:38:21,411 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:21,435 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2025-03-08 05:38:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:38:21,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 26 [2025-03-08 05:38:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:21,439 INFO L225 Difference]: With dead ends: 123 [2025-03-08 05:38:21,439 INFO L226 Difference]: Without dead ends: 84 [2025-03-08 05:38:21,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:38:21,440 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 39 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:38:21,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 103 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:38:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-03-08 05:38:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2025-03-08 05:38:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 67 states have internal predecessors, (84), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-08 05:38:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 100 transitions. [2025-03-08 05:38:21,460 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 100 transitions. Word has length 26 [2025-03-08 05:38:21,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:21,460 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 100 transitions. [2025-03-08 05:38:21,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2025-03-08 05:38:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-08 05:38:21,461 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:21,461 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] [2025-03-08 05:38:21,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 05:38:21,462 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:21,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:21,462 INFO L85 PathProgramCache]: Analyzing trace with hash 111060581, now seen corresponding path program 1 times [2025-03-08 05:38:21,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:21,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897786168] [2025-03-08 05:38:21,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:21,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:21,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-08 05:38:21,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-08 05:38:21,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:21,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:38:21,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:21,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897786168] [2025-03-08 05:38:21,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897786168] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:21,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:21,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 05:38:21,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338344809] [2025-03-08 05:38:21,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:21,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 05:38:21,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:21,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 05:38:21,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:38:21,663 INFO L87 Difference]: Start difference. First operand 79 states and 100 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:21,753 INFO L93 Difference]: Finished difference Result 217 states and 285 transitions. [2025-03-08 05:38:21,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 05:38:21,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 4 states have internal predecessors, (24), 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 27 [2025-03-08 05:38:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:21,757 INFO L225 Difference]: With dead ends: 217 [2025-03-08 05:38:21,758 INFO L226 Difference]: Without dead ends: 145 [2025-03-08 05:38:21,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-08 05:38:21,759 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 31 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:38:21,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 249 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:38:21,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-03-08 05:38:21,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2025-03-08 05:38:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 121 states have internal predecessors, (150), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2025-03-08 05:38:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 184 transitions. [2025-03-08 05:38:21,781 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 184 transitions. Word has length 27 [2025-03-08 05:38:21,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:21,781 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 184 transitions. [2025-03-08 05:38:21,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 184 transitions. [2025-03-08 05:38:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-08 05:38:21,782 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:21,782 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] [2025-03-08 05:38:21,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 05:38:21,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:21,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:21,782 INFO L85 PathProgramCache]: Analyzing trace with hash -486391228, now seen corresponding path program 1 times [2025-03-08 05:38:21,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:21,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142669251] [2025-03-08 05:38:21,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:21,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:21,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-08 05:38:21,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-08 05:38:21,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:21,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:38:21,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:21,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142669251] [2025-03-08 05:38:21,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142669251] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:21,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:21,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:38:21,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979943869] [2025-03-08 05:38:21,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:21,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:38:21,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:21,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:38:21,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:38:21,884 INFO L87 Difference]: Start difference. First operand 145 states and 184 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 05:38:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:21,929 INFO L93 Difference]: Finished difference Result 271 states and 350 transitions. [2025-03-08 05:38:21,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:38:21,930 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-03-08 05:38:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:21,930 INFO L225 Difference]: With dead ends: 271 [2025-03-08 05:38:21,930 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 05:38:21,931 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 [2025-03-08 05:38:21,936 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 28 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:38:21,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 130 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:38:21,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 05:38:21,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 05:38:21,937 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) [2025-03-08 05:38:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 05:38:21,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2025-03-08 05:38:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:21,937 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 05:38:21,937 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 05:38:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 05:38:21,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 05:38:21,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:38:21,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:38:21,943 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-08 05:38:21,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 05:38:22,288 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:38:22,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:38:22 BoogieIcfgContainer [2025-03-08 05:38:22,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:38:22,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:38:22,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:38:22,298 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:38:22,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:38:20" (3/4) ... [2025-03-08 05:38:22,300 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 05:38:22,304 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-03-08 05:38:22,305 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-03-08 05:38:22,305 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-03-08 05:38:22,305 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-03-08 05:38:22,305 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-03-08 05:38:22,311 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-08 05:38:22,311 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-08 05:38:22,311 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 05:38:22,311 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:38:22,312 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:38:22,375 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:38:22,375 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:38:22,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:38:22,378 INFO L158 Benchmark]: Toolchain (without parser) took 2248.35ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 68.0MB in the end (delta: 55.5MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2025-03-08 05:38:22,378 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:38:22,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.81ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 105.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:38:22,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.30ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 104.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:38:22,379 INFO L158 Benchmark]: Boogie Preprocessor took 30.52ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:38:22,379 INFO L158 Benchmark]: IcfgBuilder took 294.60ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 87.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:38:22,379 INFO L158 Benchmark]: TraceAbstraction took 1470.87ms. Allocated memory is still 167.8MB. Free memory was 86.6MB in the beginning and 74.4MB in the end (delta: 12.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2025-03-08 05:38:22,379 INFO L158 Benchmark]: Witness Printer took 78.54ms. Allocated memory is still 167.8MB. Free memory was 74.4MB in the beginning and 68.0MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:38:22,381 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.81ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 105.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.30ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 104.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.52ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 294.60ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 87.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1470.87ms. Allocated memory is still 167.8MB. Free memory was 86.6MB in the beginning and 74.4MB in the end (delta: 12.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 78.54ms. Allocated memory is still 167.8MB. Free memory was 74.4MB in the beginning and 68.0MB in the end (delta: 6.4MB). 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [121] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] - GenericResultAtLocation [Line: 289]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [289] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] - GenericResultAtLocation [Line: 466]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [466] - GenericResultAtLocation [Line: 475]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [475] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] * 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: 471]: 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 6 procedures, 63 locations, 88 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 652 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 364 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 288 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 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: 382]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 65]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2025-03-08 05:38:22,396 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 Result: TRUE