./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_product19.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 e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:38:32,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:38:32,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:38:32,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:38:32,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:38:32,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:38:32,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:38:32,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:38:32,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:38:32,277 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:38:32,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:38:32,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:38:32,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:38:32,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:38:32,277 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:38:32,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:38:32,278 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:38:32,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:38:32,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:38:32,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:38:32,279 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 -> e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 [2025-03-08 05:38:32,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:38:32,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:38:32,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:38:32,516 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:38:32,517 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:38:32,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2025-03-08 05:38:33,658 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12384d8d5/7704b6711d204c29a09f67b169cafd04/FLAG20fa2409f [2025-03-08 05:38:33,926 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:38:33,929 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2025-03-08 05:38:33,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12384d8d5/7704b6711d204c29a09f67b169cafd04/FLAG20fa2409f [2025-03-08 05:38:34,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12384d8d5/7704b6711d204c29a09f67b169cafd04 [2025-03-08 05:38:34,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:38:34,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:38:34,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:38:34,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:38:34,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:38:34,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a28ccf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34, skipping insertion in model container [2025-03-08 05:38:34,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:38:34,384 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_product19.cil.c[2044,2057] [2025-03-08 05:38:34,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:38:34,488 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:38:34,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2025-03-08 05:38:34,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2025-03-08 05:38:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-03-08 05:38:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2025-03-08 05:38:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] [2025-03-08 05:38:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] [2025-03-08 05:38:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2025-03-08 05:38:34,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] [2025-03-08 05:38:34,501 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_product19.cil.c[2044,2057] [2025-03-08 05:38:34,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:38:34,573 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:38:34,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34 WrapperNode [2025-03-08 05:38:34,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:38:34,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:38:34,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:38:34,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:38:34,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,611 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 160 [2025-03-08 05:38:34,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:38:34,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:38:34,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:38:34,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:38:34,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,639 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 05:38:34,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,648 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:38:34,656 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:38:34,656 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:38:34,656 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:38:34,657 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (1/1) ... [2025-03-08 05:38:34,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:38:34,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:38:34,684 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 05:38:34,688 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 05:38:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:38:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-03-08 05:38:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-03-08 05:38:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-08 05:38:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-08 05:38:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-08 05:38:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-08 05:38:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-08 05:38:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-08 05:38:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-08 05:38:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-08 05:38:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-03-08 05:38:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-03-08 05:38:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:38:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-08 05:38:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-08 05:38:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:38:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:38:34,760 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:38:34,761 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:38:34,847 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L837-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-03-08 05:38:34,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L179-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~2#1; [2025-03-08 05:38:34,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2025-03-08 05:38:34,871 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L138: #res := ~retValue_acc~0; [2025-03-08 05:38:34,926 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L682-1: main_#res#1 := main_~retValue_acc~8#1; [2025-03-08 05:38:34,926 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L583-1: valid_product_#res#1 := valid_product_~retValue_acc~7#1; [2025-03-08 05:38:34,945 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2025-03-08 05:38:34,945 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:38:34,954 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:38:34,955 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:38:34,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:38:34 BoogieIcfgContainer [2025-03-08 05:38:34,955 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:38:34,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:38:34,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:38:34,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:38:34,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:38:34" (1/3) ... [2025-03-08 05:38:34,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9beeba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:38:34, skipping insertion in model container [2025-03-08 05:38:34,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:38:34" (2/3) ... [2025-03-08 05:38:34,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9beeba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:38:34, skipping insertion in model container [2025-03-08 05:38:34,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:38:34" (3/3) ... [2025-03-08 05:38:34,962 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2025-03-08 05:38:34,973 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:38:34,975 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product19.cil.c that has 8 procedures, 77 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 05:38:35,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:38:35,034 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;@8cbb9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:38:35,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:38:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 64 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 05:38:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-08 05:38:35,044 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:35,045 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 05:38:35,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:35,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1337495905, now seen corresponding path program 1 times [2025-03-08 05:38:35,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:35,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915345725] [2025-03-08 05:38:35,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:35,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:35,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 05:38:35,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 05:38:35,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:35,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:35,221 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 05:38:35,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:35,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915345725] [2025-03-08 05:38:35,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915345725] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:35,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:35,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:38:35,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414205345] [2025-03-08 05:38:35,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:35,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:38:35,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:35,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:38:35,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:38:35,246 INFO L87 Difference]: Start difference. First operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 64 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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 05:38:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:35,276 INFO L93 Difference]: Finished difference Result 134 states and 176 transitions. [2025-03-08 05:38:35,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:38:35,280 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 05:38:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:35,285 INFO L225 Difference]: With dead ends: 134 [2025-03-08 05:38:35,285 INFO L226 Difference]: Without dead ends: 60 [2025-03-08 05:38:35,290 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 05:38:35,293 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 15 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 139 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 05:38:35,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:38:35,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-03-08 05:38:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-03-08 05:38:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-08 05:38:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2025-03-08 05:38:35,328 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 76 transitions. Word has length 23 [2025-03-08 05:38:35,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:35,329 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 76 transitions. [2025-03-08 05:38:35,329 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 05:38:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2025-03-08 05:38:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-08 05:38:35,331 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:35,332 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 05:38:35,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 05:38:35,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:35,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:35,333 INFO L85 PathProgramCache]: Analyzing trace with hash 494896054, now seen corresponding path program 1 times [2025-03-08 05:38:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:35,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100701029] [2025-03-08 05:38:35,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:35,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-08 05:38:35,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-08 05:38:35,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:35,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:35,547 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 05:38:35,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:35,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100701029] [2025-03-08 05:38:35,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100701029] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:35,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:35,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 05:38:35,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947406303] [2025-03-08 05:38:35,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:35,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 05:38:35,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:35,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 05:38:35,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:38:35,549 INFO L87 Difference]: Start difference. First operand 60 states and 76 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 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 05:38:35,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:35,703 INFO L93 Difference]: Finished difference Result 205 states and 267 transitions. [2025-03-08 05:38:35,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 05:38:35,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 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 05:38:35,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:35,705 INFO L225 Difference]: With dead ends: 205 [2025-03-08 05:38:35,706 INFO L226 Difference]: Without dead ends: 152 [2025-03-08 05:38:35,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:38:35,707 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 127 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:38:35,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 370 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:38:35,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-03-08 05:38:35,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2025-03-08 05:38:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 121 states have internal predecessors, (147), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2025-03-08 05:38:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2025-03-08 05:38:35,727 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 26 [2025-03-08 05:38:35,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:35,727 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2025-03-08 05:38:35,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 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 05:38:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2025-03-08 05:38:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-08 05:38:35,728 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:38:35,729 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:38:35,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 05:38:35,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:38:35,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:38:35,729 INFO L85 PathProgramCache]: Analyzing trace with hash 710790458, now seen corresponding path program 1 times [2025-03-08 05:38:35,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:38:35,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616268523] [2025-03-08 05:38:35,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:38:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:38:35,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-08 05:38:35,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-08 05:38:35,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:38:35,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:38:35,860 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 05:38:35,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:38:35,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616268523] [2025-03-08 05:38:35,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616268523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:38:35,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:38:35,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:38:35,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257021313] [2025-03-08 05:38:35,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:38:35,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:38:35,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:38:35,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:38:35,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:38:35,861 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:35,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:38:35,916 INFO L93 Difference]: Finished difference Result 251 states and 333 transitions. [2025-03-08 05:38:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:38:35,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-03-08 05:38:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:38:35,917 INFO L225 Difference]: With dead ends: 251 [2025-03-08 05:38:35,917 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 05:38:35,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:38:35,919 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 30 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:38:35,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 139 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:38:35,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 05:38:35,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 05:38:35,920 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 05:38:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 05:38:35,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2025-03-08 05:38:35,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:38:35,921 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 05:38:35,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:38:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 05:38:35,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 05:38:35,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:38:35,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 05:38:35,925 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 05:38:35,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 05:38:36,214 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:38:36,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:38:36 BoogieIcfgContainer [2025-03-08 05:38:36,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:38:36,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:38:36,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:38:36,229 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:38:36,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:38:34" (3/4) ... [2025-03-08 05:38:36,233 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 05:38:36,237 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-03-08 05:38:36,237 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-03-08 05:38:36,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-03-08 05:38:36,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-03-08 05:38:36,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-03-08 05:38:36,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-03-08 05:38:36,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-03-08 05:38:36,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-08 05:38:36,244 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-08 05:38:36,244 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 05:38:36,245 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:38:36,245 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:38:36,314 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:38:36,315 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:38:36,315 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:38:36,316 INFO L158 Benchmark]: Toolchain (without parser) took 2080.79ms. Allocated memory is still 201.3MB. Free memory was 153.9MB in the beginning and 128.3MB in the end (delta: 25.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2025-03-08 05:38:36,316 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 209.7MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:38:36,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.03ms. Allocated memory is still 201.3MB. Free memory was 153.6MB in the beginning and 135.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:38:36,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 201.3MB. Free memory was 135.6MB in the beginning and 133.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:38:36,318 INFO L158 Benchmark]: Boogie Preprocessor took 40.85ms. Allocated memory is still 201.3MB. Free memory was 133.6MB in the beginning and 132.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:38:36,319 INFO L158 Benchmark]: IcfgBuilder took 298.99ms. Allocated memory is still 201.3MB. Free memory was 132.1MB in the beginning and 115.7MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:38:36,319 INFO L158 Benchmark]: TraceAbstraction took 1271.47ms. Allocated memory is still 201.3MB. Free memory was 115.1MB in the beginning and 135.4MB in the end (delta: -20.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2025-03-08 05:38:36,319 INFO L158 Benchmark]: Witness Printer took 86.22ms. Allocated memory is still 201.3MB. Free memory was 135.4MB in the beginning and 128.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:38:36,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 209.7MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.03ms. Allocated memory is still 201.3MB. Free memory was 153.6MB in the beginning and 135.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 201.3MB. Free memory was 135.6MB in the beginning and 133.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.85ms. Allocated memory is still 201.3MB. Free memory was 133.6MB in the beginning and 132.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 298.99ms. Allocated memory is still 201.3MB. Free memory was 132.1MB in the beginning and 115.7MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1271.47ms. Allocated memory is still 201.3MB. Free memory was 115.1MB in the beginning and 135.4MB in the end (delta: -20.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Witness Printer took 86.22ms. Allocated memory is still 201.3MB. Free memory was 135.4MB in the beginning and 128.3MB in the end (delta: 7.1MB). 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] * 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: 83]: 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 8 procedures, 77 locations, 111 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 648 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 433 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 215 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 866]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 599]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-08 05:38:36,337 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