./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 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_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-?-e2fb8be-m [2025-03-08 05:41:21,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:41:21,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:41:21,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:41:21,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:41:21,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:41:21,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:41:21,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:41:21,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:41:21,924 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:41:21,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:41:21,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:41:21,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:41:21,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:41:21,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:41:21,926 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:41:21,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:41:21,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:41:21,926 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 [2025-03-08 05:41:22,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:41:22,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:41:22,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:41:22,170 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:41:22,170 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:41:22,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2025-03-08 05:41:23,342 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37700e8c7/89a93f865cbf4531af6a79d848dd4075/FLAG545a2e4db [2025-03-08 05:41:23,561 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:41:23,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2025-03-08 05:41:23,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37700e8c7/89a93f865cbf4531af6a79d848dd4075/FLAG545a2e4db [2025-03-08 05:41:23,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37700e8c7/89a93f865cbf4531af6a79d848dd4075 [2025-03-08 05:41:23,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:41:23,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:41:23,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:41:23,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:41:23,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:41:23,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8465807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23, skipping insertion in model container [2025-03-08 05:41:23,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:41:23,720 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] [2025-03-08 05:41:23,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:41:23,797 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:41:23,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-03-08 05:41:23,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [135] [2025-03-08 05:41:23,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [144] [2025-03-08 05:41:23,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [248] [2025-03-08 05:41:23,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [283] [2025-03-08 05:41:23,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [432] [2025-03-08 05:41:23,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [499] [2025-03-08 05:41:23,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [865] [2025-03-08 05:41:23,809 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] [2025-03-08 05:41:23,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:41:23,858 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:41:23,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23 WrapperNode [2025-03-08 05:41:23,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:41:23,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:41:23,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:41:23,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:41:23,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,888 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 142 [2025-03-08 05:41:23,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:41:23,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:41:23,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:41:23,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:41:23,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,896 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,911 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 05:41:23,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:41:23,925 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:41:23,925 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:41:23,925 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:41:23,926 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (1/1) ... [2025-03-08 05:41:23,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:41:23,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:41:23,952 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 05:41:23,955 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 05:41:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:41:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-08 05:41:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-08 05:41:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-08 05:41:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-08 05:41:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-08 05:41:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-08 05:41:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-03-08 05:41:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-03-08 05:41:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:41:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-08 05:41:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-08 05:41:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:41:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:41:24,038 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:41:24,040 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:41:24,128 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2025-03-08 05:41:24,223 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L280-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2025-03-08 05:41:24,224 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L245-1: main_#res#1 := main_~retValue_acc~2#1; [2025-03-08 05:41:24,234 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L378: #res := ~retValue_acc~6; [2025-03-08 05:41:24,251 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2025-03-08 05:41:24,251 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:41:24,262 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:41:24,262 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:41:24,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:41:24 BoogieIcfgContainer [2025-03-08 05:41:24,263 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:41:24,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:41:24,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:41:24,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:41:24,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:41:23" (1/3) ... [2025-03-08 05:41:24,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b35dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:41:24, skipping insertion in model container [2025-03-08 05:41:24,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:41:23" (2/3) ... [2025-03-08 05:41:24,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b35dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:41:24, skipping insertion in model container [2025-03-08 05:41:24,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:41:24" (3/3) ... [2025-03-08 05:41:24,271 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2025-03-08 05:41:24,283 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:41:24,284 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product11.cil.c that has 6 procedures, 69 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 05:41:24,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:41:24,333 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;@605de085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:41:24,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:41:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 58 states have internal predecessors, (73), 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) [2025-03-08 05:41:24,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-08 05:41:24,344 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:41:24,344 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] [2025-03-08 05:41:24,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:41:24,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:41:24,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1310116819, now seen corresponding path program 1 times [2025-03-08 05:41:24,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:41:24,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145400571] [2025-03-08 05:41:24,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:41:24,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:41:24,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 05:41:24,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 05:41:24,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:41:24,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:41:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 05:41:24,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:41:24,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145400571] [2025-03-08 05:41:24,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145400571] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:41:24,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:41:24,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:41:24,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282477189] [2025-03-08 05:41:24,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:41:24,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:41:24,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:41:24,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:41:24,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:41:24,580 INFO L87 Difference]: Start difference. First operand has 69 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 58 states have internal predecessors, (73), 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 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2025-03-08 05:41:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:41:24,600 INFO L93 Difference]: Finished difference Result 117 states and 153 transitions. [2025-03-08 05:41:24,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:41:24,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 [2025-03-08 05:41:24,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:41:24,605 INFO L225 Difference]: With dead ends: 117 [2025-03-08 05:41:24,605 INFO L226 Difference]: Without dead ends: 52 [2025-03-08 05:41:24,607 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 05:41:24,609 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 16 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 117 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 05:41:24,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:41:24,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-03-08 05:41:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-03-08 05:41:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 45 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-08 05:41:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2025-03-08 05:41:24,636 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 32 [2025-03-08 05:41:24,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:41:24,636 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2025-03-08 05:41:24,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2025-03-08 05:41:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2025-03-08 05:41:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-08 05:41:24,638 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:41:24,638 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] [2025-03-08 05:41:24,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 05:41:24,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:41:24,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:41:24,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1231287703, now seen corresponding path program 1 times [2025-03-08 05:41:24,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:41:24,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424434713] [2025-03-08 05:41:24,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:41:24,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:41:24,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-08 05:41:24,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-08 05:41:24,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:41:24,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:41:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 05:41:24,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:41:24,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424434713] [2025-03-08 05:41:24,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424434713] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:41:24,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:41:24,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:41:24,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542460512] [2025-03-08 05:41:24,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:41:24,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:41:24,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:41:24,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:41:24,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:41:24,734 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2025-03-08 05:41:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:41:24,770 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2025-03-08 05:41:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:41:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 35 [2025-03-08 05:41:24,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:41:24,771 INFO L225 Difference]: With dead ends: 139 [2025-03-08 05:41:24,772 INFO L226 Difference]: Without dead ends: 95 [2025-03-08 05:41:24,772 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 05:41:24,772 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 42 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:41:24,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:41:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-03-08 05:41:24,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2025-03-08 05:41:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 76 states have internal predecessors, (95), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-08 05:41:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2025-03-08 05:41:24,789 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 115 transitions. Word has length 35 [2025-03-08 05:41:24,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:41:24,789 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 115 transitions. [2025-03-08 05:41:24,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2025-03-08 05:41:24,790 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2025-03-08 05:41:24,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-08 05:41:24,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:41:24,791 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] [2025-03-08 05:41:24,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 05:41:24,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:41:24,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:41:24,792 INFO L85 PathProgramCache]: Analyzing trace with hash -129047534, now seen corresponding path program 1 times [2025-03-08 05:41:24,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:41:24,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863866011] [2025-03-08 05:41:24,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:41:24,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:41:24,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-08 05:41:24,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-08 05:41:24,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:41:24,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:41:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 05:41:24,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:41:24,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863866011] [2025-03-08 05:41:24,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863866011] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:41:24,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:41:24,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:41:24,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492610782] [2025-03-08 05:41:24,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:41:24,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:41:24,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:41:24,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:41:24,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:41:24,966 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 6 states have internal predecessors, (29), 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) [2025-03-08 05:41:25,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:41:25,284 INFO L93 Difference]: Finished difference Result 283 states and 378 transitions. [2025-03-08 05:41:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-08 05:41:25,285 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 6 states have internal predecessors, (29), 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 36 [2025-03-08 05:41:25,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:41:25,285 INFO L225 Difference]: With dead ends: 283 [2025-03-08 05:41:25,285 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 05:41:25,286 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 [2025-03-08 05:41:25,287 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 91 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 05:41:25,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 627 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 05:41:25,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 05:41:25,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 05:41:25,288 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 05:41:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 05:41:25,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2025-03-08 05:41:25,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:41:25,288 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 05:41:25,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 6 states have internal predecessors, (29), 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) [2025-03-08 05:41:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 05:41:25,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 05:41:25,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:41:25,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 05:41:25,293 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 05:41:25,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 05:41:25,586 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:41:25,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:41:25 BoogieIcfgContainer [2025-03-08 05:41:25,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:41:25,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:41:25,606 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:41:25,607 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:41:25,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:41:24" (3/4) ... [2025-03-08 05:41:25,609 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 05:41:25,613 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-03-08 05:41:25,613 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-03-08 05:41:25,613 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-03-08 05:41:25,614 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-03-08 05:41:25,614 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-03-08 05:41:25,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-08 05:41:25,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-08 05:41:25,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 05:41:25,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:41:25,619 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:41:25,673 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:41:25,673 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:41:25,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:41:25,675 INFO L158 Benchmark]: Toolchain (without parser) took 2092.69ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 103.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:41:25,675 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:41:25,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.08ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 87.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:41:25,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.73ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 85.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:41:25,676 INFO L158 Benchmark]: Boogie Preprocessor took 32.53ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:41:25,676 INFO L158 Benchmark]: IcfgBuilder took 338.33ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 68.7MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:41:25,676 INFO L158 Benchmark]: TraceAbstraction took 1340.54ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 109.5MB in the end (delta: -40.9MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2025-03-08 05:41:25,676 INFO L158 Benchmark]: Witness Printer took 66.98ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 103.1MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:41:25,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.08ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 87.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.73ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 85.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.53ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 338.33ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 68.7MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1340.54ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 109.5MB in the end (delta: -40.9MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Witness Printer took 66.98ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 103.1MB in the end (delta: 6.4MB). There was no memory consumed. 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, 69 locations, 97 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 862 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 600 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 240 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 262 mSDtfsCounter, 240 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=2, InterpolantAutomatonStates: 23, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 175 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) && (splverifierCounter == 0)) || ((splverifierCounter == 0) && (pumpRunning == switchedOnBeforeTS))) - InvariantResult [Line: 157]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-08 05:41:25,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE