./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product11.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_spec5_product11.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 a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:31:23,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:31:23,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:31:23,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:31:23,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:31:23,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:31:23,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:31:23,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:31:23,379 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:31:23,379 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:31:23,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:31:23,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:31:23,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:31:23,380 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:31:23,381 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:31:23,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:31:23,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:31:23,381 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 -> a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa [2025-03-03 14:31:23,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:31:23,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:31:23,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:31:23,621 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:31:23,621 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:31:23,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2025-03-03 14:31:24,739 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dcadae3/99cfe6af0de74aa3a6a19c8b595d9850/FLAG9b6ff3d72 [2025-03-03 14:31:25,014 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:31:25,015 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2025-03-03 14:31:25,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dcadae3/99cfe6af0de74aa3a6a19c8b595d9850/FLAG9b6ff3d72 [2025-03-03 14:31:25,043 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dcadae3/99cfe6af0de74aa3a6a19c8b595d9850 [2025-03-03 14:31:25,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:31:25,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:31:25,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:31:25,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:31:25,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:31:25,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486c83d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25, skipping insertion in model container [2025-03-03 14:31:25,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:31:25,179 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_spec5_product11.cil.c[2807,2820] [2025-03-03 14:31:25,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:31:25,266 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:31:25,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-03-03 14:31:25,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] [2025-03-03 14:31:25,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [144] [2025-03-03 14:31:25,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [248] [2025-03-03 14:31:25,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [283] [2025-03-03 14:31:25,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [432] [2025-03-03 14:31:25,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [499] [2025-03-03 14:31:25,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [865] [2025-03-03 14:31:25,283 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_spec5_product11.cil.c[2807,2820] [2025-03-03 14:31:25,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:31:25,344 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:31:25,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25 WrapperNode [2025-03-03 14:31:25,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:31:25,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:31:25,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:31:25,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:31:25,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,385 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 142 [2025-03-03 14:31:25,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:31:25,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:31:25,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:31:25,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:31:25,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,411 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 14:31:25,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,418 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:31:25,427 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:31:25,427 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:31:25,428 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:31:25,428 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (1/1) ... [2025-03-03 14:31:25,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:31:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:31:25,456 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 14:31:25,459 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 14:31:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:31:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-03 14:31:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-03 14:31:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-03 14:31:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-03 14:31:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-03 14:31:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-03 14:31:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-03-03 14:31:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-03-03 14:31:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:31:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-03 14:31:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-03 14:31:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:31:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:31:25,540 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:31:25,542 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:31:25,629 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-03-03 14:31:25,722 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L280-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2025-03-03 14:31:25,722 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L245-1: main_#res#1 := main_~retValue_acc~2#1; [2025-03-03 14:31:25,729 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L378: #res := ~retValue_acc~6; [2025-03-03 14:31:25,748 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-03-03 14:31:25,748 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:31:25,757 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:31:25,757 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:31:25,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:31:25 BoogieIcfgContainer [2025-03-03 14:31:25,758 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:31:25,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:31:25,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:31:25,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:31:25,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:31:25" (1/3) ... [2025-03-03 14:31:25,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718de8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:31:25, skipping insertion in model container [2025-03-03 14:31:25,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:31:25" (2/3) ... [2025-03-03 14:31:25,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718de8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:31:25, skipping insertion in model container [2025-03-03 14:31:25,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:31:25" (3/3) ... [2025-03-03 14:31:25,766 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2025-03-03 14:31:25,777 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:31:25,779 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product11.cil.c that has 6 procedures, 71 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-03 14:31:25,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:31:25,825 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;@6b17f3a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:31:25,825 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:31:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 60 states have internal predecessors, (75), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-03 14:31:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-03 14:31:25,833 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:31:25,834 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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 14:31:25,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:31:25,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:31:25,839 INFO L85 PathProgramCache]: Analyzing trace with hash 650063986, now seen corresponding path program 1 times [2025-03-03 14:31:25,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:31:25,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103602546] [2025-03-03 14:31:25,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:31:25,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:31:25,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-03 14:31:25,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-03 14:31:25,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:31:25,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:31:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-03 14:31:25,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:31:25,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103602546] [2025-03-03 14:31:25,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103602546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:31:25,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:31:25,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 14:31:25,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214826339] [2025-03-03 14:31:25,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:31:25,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:31:25,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:31:25,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:31:25,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 14:31:25,978 INFO L87 Difference]: Start difference. First operand has 71 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 60 states have internal predecessors, (75), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-03 14:31:25,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:31:25,992 INFO L93 Difference]: Finished difference Result 133 states and 176 transitions. [2025-03-03 14:31:25,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:31:25,994 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-03-03 14:31:25,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:31:25,997 INFO L225 Difference]: With dead ends: 133 [2025-03-03 14:31:25,997 INFO L226 Difference]: Without dead ends: 62 [2025-03-03 14:31:25,999 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 14:31:26,001 INFO L435 NwaCegarLoop]: 87 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, 87 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 14:31:26,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:31:26,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-03-03 14:31:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-03-03 14:31:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 52 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-03-03 14:31:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2025-03-03 14:31:26,024 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 32 [2025-03-03 14:31:26,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:31:26,024 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2025-03-03 14:31:26,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-03 14:31:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2025-03-03 14:31:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-03 14:31:26,026 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:31:26,026 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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 14:31:26,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 14:31:26,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:31:26,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:31:26,027 INFO L85 PathProgramCache]: Analyzing trace with hash -71338696, now seen corresponding path program 1 times [2025-03-03 14:31:26,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:31:26,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301401518] [2025-03-03 14:31:26,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:31:26,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:31:26,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-03 14:31:26,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-03 14:31:26,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:31:26,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:31:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-03 14:31:26,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:31:26,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301401518] [2025-03-03 14:31:26,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301401518] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:31:26,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:31:26,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 14:31:26,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795582138] [2025-03-03 14:31:26,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:31:26,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:31:26,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:31:26,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:31:26,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:31:26,154 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 14:31:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:31:26,176 INFO L93 Difference]: Finished difference Result 169 states and 220 transitions. [2025-03-03 14:31:26,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:31:26,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-03-03 14:31:26,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:31:26,178 INFO L225 Difference]: With dead ends: 169 [2025-03-03 14:31:26,178 INFO L226 Difference]: Without dead ends: 115 [2025-03-03 14:31:26,178 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 14:31:26,179 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 54 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 145 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 [2025-03-03 14:31:26,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 145 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:31:26,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-03-03 14:31:26,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2025-03-03 14:31:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 85 states have (on average 1.3058823529411765) internal successors, (111), 90 states have internal predecessors, (111), 16 states have call successors, (16), 10 states have call predecessors, (16), 8 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-03 14:31:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 141 transitions. [2025-03-03 14:31:26,193 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 141 transitions. Word has length 36 [2025-03-03 14:31:26,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:31:26,193 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 141 transitions. [2025-03-03 14:31:26,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 14:31:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 141 transitions. [2025-03-03 14:31:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-03 14:31:26,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:31:26,195 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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 14:31:26,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 14:31:26,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:31:26,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:31:26,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1760995729, now seen corresponding path program 1 times [2025-03-03 14:31:26,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:31:26,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040131996] [2025-03-03 14:31:26,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:31:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:31:26,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-03 14:31:26,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-03 14:31:26,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:31:26,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:31:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-03 14:31:26,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:31:26,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040131996] [2025-03-03 14:31:26,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040131996] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:31:26,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:31:26,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 14:31:26,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647888006] [2025-03-03 14:31:26,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:31:26,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-03 14:31:26,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:31:26,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-03 14:31:26,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:31:26,403 INFO L87 Difference]: Start difference. First operand 110 states and 141 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 14:31:26,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:31:26,812 INFO L93 Difference]: Finished difference Result 347 states and 476 transitions. [2025-03-03 14:31:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-03 14:31:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-03-03 14:31:26,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:31:26,817 INFO L225 Difference]: With dead ends: 347 [2025-03-03 14:31:26,817 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:31:26,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2025-03-03 14:31:26,819 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 112 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 14:31:26,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 761 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 14:31:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:31:26,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:31:26,821 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) [2025-03-03 14:31:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:31:26,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2025-03-03 14:31:26,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:31:26,821 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:31:26,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-03 14:31:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:31:26,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:31:26,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:31:26,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 14:31:26,827 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-03 14:31:26,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:31:27,203 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:31:27,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:31:27 BoogieIcfgContainer [2025-03-03 14:31:27,217 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:31:27,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:31:27,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:31:27,219 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:31:27,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:31:25" (3/4) ... [2025-03-03 14:31:27,223 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:31:27,226 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-03-03 14:31:27,226 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-03-03 14:31:27,226 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-03-03 14:31:27,227 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-03-03 14:31:27,227 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-03-03 14:31:27,231 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-03 14:31:27,231 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-03 14:31:27,231 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-03 14:31:27,232 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:31:27,232 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:31:27,250 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive) || (pumpRunning == \old(switchedOnBeforeTS))) && (pumpRunning == switchedOnBeforeTS)) [2025-03-03 14:31:27,267 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive) || (pumpRunning == \old(switchedOnBeforeTS))) && (pumpRunning == switchedOnBeforeTS)) [2025-03-03 14:31:27,294 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:31:27,294 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:31:27,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:31:27,295 INFO L158 Benchmark]: Toolchain (without parser) took 2248.32ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 94.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2025-03-03 14:31:27,296 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:31:27,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.58ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 88.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:31:27,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.22ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:31:27,298 INFO L158 Benchmark]: Boogie Preprocessor took 38.98ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:31:27,298 INFO L158 Benchmark]: IcfgBuilder took 331.01ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 69.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:31:27,298 INFO L158 Benchmark]: TraceAbstraction took 1457.45ms. Allocated memory is still 142.6MB. Free memory was 69.0MB in the beginning and 101.8MB in the end (delta: -32.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2025-03-03 14:31:27,298 INFO L158 Benchmark]: Witness Printer took 75.26ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 94.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:31:27,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 201.3MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.58ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 88.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.22ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.98ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 331.01ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 69.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1457.45ms. Allocated memory is still 142.6MB. Free memory was 69.0MB in the beginning and 101.8MB in the end (delta: -32.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Witness Printer took 75.26ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 94.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] - GenericResultAtLocation [Line: 144]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [144] - GenericResultAtLocation [Line: 248]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [248] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [283] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [432] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [499] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [865] * 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: 140]: 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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 993 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 327 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 443]: Location Invariant Derived location invariant: ((1 == systemActive) || (pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 157]: Location Invariant Derived location invariant: (((1 == systemActive) || (pumpRunning == \old(switchedOnBeforeTS))) && (pumpRunning == switchedOnBeforeTS)) RESULT: Ultimate proved your program to be correct! [2025-03-03 14:31:27,313 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