./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_product08.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 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:55:06,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:55:06,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:55:06,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:55:06,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:55:06,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:55:06,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:55:06,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:55:06,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:55:06,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:55:06,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:55:06,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:55:06,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:55:06,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:55:06,779 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:55:06,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:55:06,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:55:06,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:55:06,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:55:06,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:55:06,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:55:06,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:55:06,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:55:06,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:55:06,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:55:06,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:55:06,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:55:06,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:55:06,787 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:55:06,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:55:06,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:55:06,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:55:06,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:55:06,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:55:06,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:55:06,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:55:06,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:55:06,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:55:06,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:55:06,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:55:06,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:55:06,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:55:06,791 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe [2024-11-16 07:55:07,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:55:07,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:55:07,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:55:07,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:55:07,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:55:07,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2024-11-16 07:55:08,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:55:08,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:55:08,782 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2024-11-16 07:55:08,800 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dd3c7b9/19be0b935990432eaefb04906c00531f/FLAG522e29fd3 [2024-11-16 07:55:09,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2dd3c7b9/19be0b935990432eaefb04906c00531f [2024-11-16 07:55:09,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:55:09,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:55:09,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:55:09,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:55:09,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:55:09,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e879696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09, skipping insertion in model container [2024-11-16 07:55:09,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:55:09,503 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_product08.cil.c[16885,16898] [2024-11-16 07:55:09,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:55:09,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:55:09,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-16 07:55:09,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] [2024-11-16 07:55:09,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] [2024-11-16 07:55:09,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] [2024-11-16 07:55:09,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] [2024-11-16 07:55:09,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] [2024-11-16 07:55:09,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] [2024-11-16 07:55:09,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] [2024-11-16 07:55:09,603 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_product08.cil.c[16885,16898] [2024-11-16 07:55:09,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:55:09,632 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:55:09,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09 WrapperNode [2024-11-16 07:55:09,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:55:09,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:55:09,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:55:09,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:55:09,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,675 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 170 [2024-11-16 07:55:09,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:55:09,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:55:09,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:55:09,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:55:09,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,704 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]. [2024-11-16 07:55:09,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,709 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:55:09,715 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:55:09,715 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:55:09,716 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:55:09,721 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (1/1) ... [2024-11-16 07:55:09,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:55:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:55:09,755 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) [2024-11-16 07:55:09,759 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 [2024-11-16 07:55:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:55:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-16 07:55:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-16 07:55:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:55:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:55:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:55:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:55:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:55:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:55:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-16 07:55:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-16 07:55:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-16 07:55:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-16 07:55:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:55:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:55:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:55:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:55:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:55:09,871 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:55:09,873 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:55:10,026 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L149-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-16 07:55:10,027 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L899-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-16 07:55:10,027 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L931-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; [2024-11-16 07:55:10,115 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L425-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-16 07:55:10,116 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L390-1: main_#res#1 := main_~retValue_acc~2#1; [2024-11-16 07:55:10,122 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L158: #res := ~retValue_acc~1; [2024-11-16 07:55:10,142 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-16 07:55:10,142 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:55:10,155 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:55:10,155 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:55:10,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:10 BoogieIcfgContainer [2024-11-16 07:55:10,156 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:55:10,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:55:10,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:55:10,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:55:10,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:55:09" (1/3) ... [2024-11-16 07:55:10,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511efc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:10, skipping insertion in model container [2024-11-16 07:55:10,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:09" (2/3) ... [2024-11-16 07:55:10,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511efc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:10, skipping insertion in model container [2024-11-16 07:55:10,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:10" (3/3) ... [2024-11-16 07:55:10,167 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2024-11-16 07:55:10,184 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:55:10,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:55:10,251 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:55:10,257 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;@26375600, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:55:10,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:55:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 77 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 07:55:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-16 07:55:10,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:10,269 INFO L215 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] [2024-11-16 07:55:10,270 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:10,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:10,274 INFO L85 PathProgramCache]: Analyzing trace with hash -485609248, now seen corresponding path program 1 times [2024-11-16 07:55:10,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:10,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684885098] [2024-11-16 07:55:10,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:10,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 07:55:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:55:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:10,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:10,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684885098] [2024-11-16 07:55:10,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684885098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:10,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:10,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:55:10,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602254538] [2024-11-16 07:55:10,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:10,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:55:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:10,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:55:10,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:55:10,541 INFO L87 Difference]: Start difference. First operand has 91 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 77 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-16 07:55:10,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:10,573 INFO L93 Difference]: Finished difference Result 172 states and 227 transitions. [2024-11-16 07:55:10,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:55:10,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 34 [2024-11-16 07:55:10,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:10,582 INFO L225 Difference]: With dead ends: 172 [2024-11-16 07:55:10,582 INFO L226 Difference]: Without dead ends: 80 [2024-11-16 07:55:10,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:55:10,589 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:10,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:10,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-16 07:55:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-16 07:55:10,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 67 states have internal predecessors, (77), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-16 07:55:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2024-11-16 07:55:10,628 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 34 [2024-11-16 07:55:10,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:10,628 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2024-11-16 07:55:10,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-16 07:55:10,629 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2024-11-16 07:55:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-16 07:55:10,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:10,631 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:55:10,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:55:10,632 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:10,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:10,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1890501599, now seen corresponding path program 1 times [2024-11-16 07:55:10,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:10,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786024764] [2024-11-16 07:55:10,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 07:55:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 07:55:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:10,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:10,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786024764] [2024-11-16 07:55:10,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786024764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:10,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:10,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:55:10,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960006719] [2024-11-16 07:55:10,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:10,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:55:10,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:10,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:55:10,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:10,769 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-16 07:55:10,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:10,785 INFO L93 Difference]: Finished difference Result 117 states and 145 transitions. [2024-11-16 07:55:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:55:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 37 [2024-11-16 07:55:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:10,791 INFO L225 Difference]: With dead ends: 117 [2024-11-16 07:55:10,792 INFO L226 Difference]: Without dead ends: 69 [2024-11-16 07:55:10,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:10,795 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 16 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 147 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 [2024-11-16 07:55:10,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:10,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-16 07:55:10,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-16 07:55:10,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 59 states have internal predecessors, (68), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 07:55:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2024-11-16 07:55:10,812 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 37 [2024-11-16 07:55:10,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:10,812 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2024-11-16 07:55:10,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-16 07:55:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2024-11-16 07:55:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-16 07:55:10,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:10,814 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:55:10,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:55:10,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:10,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:10,815 INFO L85 PathProgramCache]: Analyzing trace with hash 320201933, now seen corresponding path program 1 times [2024-11-16 07:55:10,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:10,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167037761] [2024-11-16 07:55:10,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 07:55:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:55:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:10,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:10,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167037761] [2024-11-16 07:55:10,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167037761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:10,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:10,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:55:10,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669169675] [2024-11-16 07:55:10,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:10,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:55:10,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:10,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:55:10,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:10,966 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-16 07:55:11,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:11,015 INFO L93 Difference]: Finished difference Result 189 states and 241 transitions. [2024-11-16 07:55:11,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:55:11,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 40 [2024-11-16 07:55:11,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:11,019 INFO L225 Difference]: With dead ends: 189 [2024-11-16 07:55:11,019 INFO L226 Difference]: Without dead ends: 128 [2024-11-16 07:55:11,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:55:11,021 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 58 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:11,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 175 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:11,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-16 07:55:11,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2024-11-16 07:55:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 104 states have internal predecessors, (122), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-16 07:55:11,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 158 transitions. [2024-11-16 07:55:11,049 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 158 transitions. Word has length 40 [2024-11-16 07:55:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:11,050 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 158 transitions. [2024-11-16 07:55:11,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-16 07:55:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2024-11-16 07:55:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-16 07:55:11,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:11,052 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:55:11,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:55:11,053 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:11,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:11,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1010257977, now seen corresponding path program 1 times [2024-11-16 07:55:11,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:11,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066218983] [2024-11-16 07:55:11,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:11,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:11,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 07:55:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:11,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 07:55:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 07:55:11,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:11,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066218983] [2024-11-16 07:55:11,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066218983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:11,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:11,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:55:11,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595121991] [2024-11-16 07:55:11,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:11,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:55:11,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:55:11,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:55:11,256 INFO L87 Difference]: Start difference. First operand 124 states and 158 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 07:55:11,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:11,383 INFO L93 Difference]: Finished difference Result 213 states and 274 transitions. [2024-11-16 07:55:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 07:55:11,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-16 07:55:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:11,387 INFO L225 Difference]: With dead ends: 213 [2024-11-16 07:55:11,387 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 07:55:11,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:55:11,389 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 31 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:11,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 209 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:55:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 07:55:11,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 07:55:11,395 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) [2024-11-16 07:55:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 07:55:11,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-16 07:55:11,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:11,396 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 07:55:11,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 07:55:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 07:55:11,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 07:55:11,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:55:11,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:55:11,402 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 07:55:11,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 07:55:11,703 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:55:11,749 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-16 07:55:11,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:55:11 BoogieIcfgContainer [2024-11-16 07:55:11,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:55:11,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:55:11,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:55:11,757 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:55:11,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:10" (3/4) ... [2024-11-16 07:55:11,760 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 07:55:11,764 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-16 07:55:11,764 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-16 07:55:11,764 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-16 07:55:11,764 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-16 07:55:11,764 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-16 07:55:11,765 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-16 07:55:11,765 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-16 07:55:11,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-16 07:55:11,774 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-16 07:55:11,774 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 07:55:11,774 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:55:11,774 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:55:11,884 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:55:11,886 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 07:55:11,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:55:11,887 INFO L158 Benchmark]: Toolchain (without parser) took 2776.98ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 106.4MB in the beginning and 60.1MB in the end (delta: 46.3MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-11-16 07:55:11,887 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:55:11,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.88ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 85.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 07:55:11,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 163.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:11,888 INFO L158 Benchmark]: Boogie Preprocessor took 38.25ms. Allocated memory is still 163.6MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:11,888 INFO L158 Benchmark]: IcfgBuilder took 440.97ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 80.8MB in the beginning and 168.1MB in the end (delta: -87.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:11,888 INFO L158 Benchmark]: TraceAbstraction took 1597.46ms. Allocated memory is still 203.4MB. Free memory was 167.1MB in the beginning and 67.5MB in the end (delta: 99.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-11-16 07:55:11,889 INFO L158 Benchmark]: Witness Printer took 130.35ms. Allocated memory is still 203.4MB. Free memory was 67.5MB in the beginning and 60.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-16 07:55:11,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.88ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 85.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 163.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.25ms. Allocated memory is still 163.6MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 440.97ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 80.8MB in the beginning and 168.1MB in the end (delta: -87.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1597.46ms. Allocated memory is still 203.4MB. Free memory was 167.1MB in the beginning and 67.5MB in the end (delta: 99.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * Witness Printer took 130.35ms. Allocated memory is still 203.4MB. Free memory was 67.5MB in the beginning and 60.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] - GenericResultAtLocation [Line: 292]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] - GenericResultAtLocation [Line: 479]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] - GenericResultAtLocation [Line: 845]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] * 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: 850]: 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, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 287 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 354 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 234]: Location Invariant Derived location invariant: null - InvariantResult [Line: 304]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 133]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 92]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 881]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 294]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 65]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 869]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 152]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 07:55:11,925 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