./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_spec3_product60.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 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:17:22,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:17:22,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:17:22,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:17:22,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:17:22,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:17:22,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:17:22,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:17:22,343 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:17:22,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:17:22,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:17:22,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:17:22,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:17:22,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:17:22,347 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:17:22,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:17:22,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:17:22,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:17:22,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:17:22,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:17:22,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:17:22,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:17:22,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:17:22,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:17:22,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:17:22,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:17:22,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:17:22,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:17:22,353 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:17:22,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:17:22,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:17:22,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:17:22,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:17:22,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:17:22,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:17:22,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:17:22,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:17:22,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:17:22,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:17:22,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:17:22,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:17:22,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:17:22,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b [2024-11-09 23:17:22,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:17:22,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:17:22,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:17:22,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:17:22,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:17:22,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2024-11-09 23:17:24,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:17:24,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:17:24,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2024-11-09 23:17:24,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e628b2ade/ed0bd6428fb9478f88f25aec3a9fed2e/FLAG690d2075a [2024-11-09 23:17:24,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e628b2ade/ed0bd6428fb9478f88f25aec3a9fed2e [2024-11-09 23:17:24,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:17:24,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:17:24,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:17:24,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:17:24,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:17:24,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:17:24" (1/1) ... [2024-11-09 23:17:24,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8515a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:24, skipping insertion in model container [2024-11-09 23:17:24,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:17:24" (1/1) ... [2024-11-09 23:17:24,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:17:25,072 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_spec3_product60.cil.c[16122,16135] [2024-11-09 23:17:25,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:17:25,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:17:25,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-09 23:17:25,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2024-11-09 23:17:25,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [372] [2024-11-09 23:17:25,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [408] [2024-11-09 23:17:25,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [774] [2024-11-09 23:17:25,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [783] [2024-11-09 23:17:25,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [821] [2024-11-09 23:17:25,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [924] [2024-11-09 23:17:25,197 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_spec3_product60.cil.c[16122,16135] [2024-11-09 23:17:25,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:17:25,229 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:17:25,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25 WrapperNode [2024-11-09 23:17:25,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:17:25,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:17:25,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:17:25,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:17:25,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,284 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 232 [2024-11-09 23:17:25,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:17:25,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:17:25,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:17:25,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:17:25,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,323 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]. [2024-11-09 23:17:25,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:17:25,338 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:17:25,338 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:17:25,338 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:17:25,339 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (1/1) ... [2024-11-09 23:17:25,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:17:25,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:17:25,380 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) [2024-11-09 23:17:25,384 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 [2024-11-09 23:17:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:17:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 23:17:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 23:17:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 23:17:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 23:17:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 23:17:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 23:17:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 23:17:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 23:17:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-09 23:17:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-09 23:17:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 23:17:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 23:17:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 23:17:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 23:17:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:17:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 23:17:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 23:17:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:17:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:17:25,537 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:17:25,539 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:17:25,594 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L866: #res := ~retValue_acc~9; [2024-11-09 23:17:25,682 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L898-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-09 23:17:25,682 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L921-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~12#1; [2024-11-09 23:17:25,682 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L346-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2024-11-09 23:17:25,682 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L272-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-09 23:17:25,780 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L818-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-09 23:17:25,781 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: main_#res#1 := main_~retValue_acc~13#1; [2024-11-09 23:17:25,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-09 23:17:25,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L327-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-09 23:17:25,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L912-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-09 23:17:25,864 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-09 23:17:25,866 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:17:25,882 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:17:25,883 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:17:25,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:17:25 BoogieIcfgContainer [2024-11-09 23:17:25,884 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:17:25,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:17:25,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:17:25,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:17:25,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:17:24" (1/3) ... [2024-11-09 23:17:25,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65496790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:17:25, skipping insertion in model container [2024-11-09 23:17:25,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:17:25" (2/3) ... [2024-11-09 23:17:25,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65496790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:17:25, skipping insertion in model container [2024-11-09 23:17:25,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:17:25" (3/3) ... [2024-11-09 23:17:25,892 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c [2024-11-09 23:17:25,908 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:17:25,908 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:17:25,964 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:17:25,971 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;@3bf91133, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:17:25,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:17:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 90 states have internal predecessors, (110), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 23:17:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 23:17:25,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:25,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:17:25,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:25,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:25,992 INFO L85 PathProgramCache]: Analyzing trace with hash -958725061, now seen corresponding path program 1 times [2024-11-09 23:17:25,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:25,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972736199] [2024-11-09 23:17:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:26,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:26,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 23:17:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:26,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:26,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972736199] [2024-11-09 23:17:26,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972736199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:26,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:26,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 23:17:26,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985993058] [2024-11-09 23:17:26,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:26,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:17:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:26,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:17:26,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:17:26,206 INFO L87 Difference]: Start difference. First operand has 105 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 90 states have internal predecessors, (110), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:26,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:26,276 INFO L93 Difference]: Finished difference Result 201 states and 270 transitions. [2024-11-09 23:17:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:17:26,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-09 23:17:26,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:26,295 INFO L225 Difference]: With dead ends: 201 [2024-11-09 23:17:26,295 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 23:17:26,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:17:26,307 INFO L432 NwaCegarLoop]: 131 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, 131 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 [2024-11-09 23:17:26,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:17:26,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 23:17:26,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-09 23:17:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 80 states have internal predecessors, (94), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 23:17:26,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 121 transitions. [2024-11-09 23:17:26,367 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 121 transitions. Word has length 27 [2024-11-09 23:17:26,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:26,367 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 121 transitions. [2024-11-09 23:17:26,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2024-11-09 23:17:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 23:17:26,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:26,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:17:26,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:17:26,371 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:26,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash 984175009, now seen corresponding path program 1 times [2024-11-09 23:17:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:26,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812494634] [2024-11-09 23:17:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 23:17:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:26,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:26,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812494634] [2024-11-09 23:17:26,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812494634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:26,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:26,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:17:26,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778045025] [2024-11-09 23:17:26,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:26,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:17:26,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:26,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:17:26,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:17:26,529 INFO L87 Difference]: Start difference. First operand 94 states and 121 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:26,560 INFO L93 Difference]: Finished difference Result 148 states and 190 transitions. [2024-11-09 23:17:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:17:26,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-09 23:17:26,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:26,563 INFO L225 Difference]: With dead ends: 148 [2024-11-09 23:17:26,563 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 23:17:26,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:17:26,565 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 16 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 192 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 [2024-11-09 23:17:26,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:17:26,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 23:17:26,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-09 23:17:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.323076923076923) internal successors, (86), 73 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 23:17:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2024-11-09 23:17:26,581 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 29 [2024-11-09 23:17:26,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:26,581 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2024-11-09 23:17:26,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2024-11-09 23:17:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 23:17:26,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:26,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:17:26,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:17:26,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:26,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:26,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1775204579, now seen corresponding path program 1 times [2024-11-09 23:17:26,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:26,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407010205] [2024-11-09 23:17:26,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:26,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 23:17:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:26,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:26,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407010205] [2024-11-09 23:17:26,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407010205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:26,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:26,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:17:26,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233082556] [2024-11-09 23:17:26,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:26,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:17:26,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:26,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:17:26,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:17:26,752 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:26,807 INFO L93 Difference]: Finished difference Result 236 states and 309 transitions. [2024-11-09 23:17:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:17:26,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-09 23:17:26,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:26,810 INFO L225 Difference]: With dead ends: 236 [2024-11-09 23:17:26,810 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 23:17:26,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:17:26,812 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 223 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 [2024-11-09 23:17:26,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 223 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:17:26,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 23:17:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2024-11-09 23:17:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 118 states have (on average 1.347457627118644) internal successors, (159), 133 states have internal predecessors, (159), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 23:17:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2024-11-09 23:17:26,845 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 32 [2024-11-09 23:17:26,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:26,846 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2024-11-09 23:17:26,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2024-11-09 23:17:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 23:17:26,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:26,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:17:26,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:17:26,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:26,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:26,855 INFO L85 PathProgramCache]: Analyzing trace with hash 385546983, now seen corresponding path program 1 times [2024-11-09 23:17:26,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:26,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324626822] [2024-11-09 23:17:26,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:27,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 23:17:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:17:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:17:27,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:17:27,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324626822] [2024-11-09 23:17:27,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324626822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:17:27,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:17:27,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:17:27,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661397497] [2024-11-09 23:17:27,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:17:27,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:17:27,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:17:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:17:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:17:27,024 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:27,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:17:27,136 INFO L93 Difference]: Finished difference Result 438 states and 593 transitions. [2024-11-09 23:17:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:17:27,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-09 23:17:27,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:17:27,140 INFO L225 Difference]: With dead ends: 438 [2024-11-09 23:17:27,140 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 23:17:27,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:17:27,142 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 69 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:17:27,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 393 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:17:27,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 23:17:27,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-09 23:17:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 219 states have (on average 1.3287671232876712) internal successors, (291), 246 states have internal predecessors, (291), 44 states have call successors, (44), 28 states have call predecessors, (44), 26 states have return successors, (46), 28 states have call predecessors, (46), 44 states have call successors, (46) [2024-11-09 23:17:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 381 transitions. [2024-11-09 23:17:27,177 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 381 transitions. Word has length 35 [2024-11-09 23:17:27,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:17:27,178 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 381 transitions. [2024-11-09 23:17:27,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:17:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 381 transitions. [2024-11-09 23:17:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 23:17:27,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:17:27,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:17:27,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:17:27,181 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:17:27,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:17:27,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1229105915, now seen corresponding path program 1 times [2024-11-09 23:17:27,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:17:27,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187813441] [2024-11-09 23:17:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:17:27,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:17:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 23:17:27,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 23:17:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 23:17:27,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 23:17:27,241 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 23:17:27,242 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 23:17:27,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:17:27,248 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 23:17:27,292 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 23:17:27,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:17:27 BoogieIcfgContainer [2024-11-09 23:17:27,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 23:17:27,296 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 23:17:27,296 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 23:17:27,297 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 23:17:27,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:17:25" (3/4) ... [2024-11-09 23:17:27,298 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 23:17:27,375 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 23:17:27,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 23:17:27,379 INFO L158 Benchmark]: Toolchain (without parser) took 2681.53ms. Allocated memory was 172.0MB in the beginning and 232.8MB in the end (delta: 60.8MB). Free memory was 116.7MB in the beginning and 126.6MB in the end (delta: -9.9MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-11-09 23:17:27,379 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:17:27,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.39ms. Allocated memory is still 172.0MB. Free memory was 116.7MB in the beginning and 94.6MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 23:17:27,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.92ms. Allocated memory is still 172.0MB. Free memory was 94.6MB in the beginning and 92.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:17:27,380 INFO L158 Benchmark]: Boogie Preprocessor took 49.01ms. Allocated memory is still 172.0MB. Free memory was 92.3MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 23:17:27,380 INFO L158 Benchmark]: IcfgBuilder took 545.91ms. Allocated memory is still 172.0MB. Free memory was 89.9MB in the beginning and 68.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 23:17:27,381 INFO L158 Benchmark]: TraceAbstraction took 1409.70ms. Allocated memory was 172.0MB in the beginning and 232.8MB in the end (delta: 60.8MB). Free memory was 68.1MB in the beginning and 129.8MB in the end (delta: -61.7MB). Peak memory consumption was 303.4kB. Max. memory is 16.1GB. [2024-11-09 23:17:27,381 INFO L158 Benchmark]: Witness Printer took 82.86ms. Allocated memory is still 232.8MB. Free memory was 129.8MB in the beginning and 126.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 23:17:27,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.39ms. Allocated memory is still 172.0MB. Free memory was 116.7MB in the beginning and 94.6MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.92ms. Allocated memory is still 172.0MB. Free memory was 94.6MB in the beginning and 92.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.01ms. Allocated memory is still 172.0MB. Free memory was 92.3MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 545.91ms. Allocated memory is still 172.0MB. Free memory was 89.9MB in the beginning and 68.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1409.70ms. Allocated memory was 172.0MB in the beginning and 232.8MB in the end (delta: 60.8MB). Free memory was 68.1MB in the beginning and 129.8MB in the end (delta: -61.7MB). Peak memory consumption was 303.4kB. Max. memory is 16.1GB. * Witness Printer took 82.86ms. Allocated memory is still 232.8MB. Free memory was 129.8MB in the beginning and 126.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 372]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [372] - GenericResultAtLocation [Line: 408]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [408] - GenericResultAtLocation [Line: 774]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [774] - GenericResultAtLocation [Line: 783]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [783] - GenericResultAtLocation [Line: 821]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [821] - GenericResultAtLocation [Line: 924]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [924] * 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 - CounterExampleResult [Line: 779]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L578] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L822] int waterLevel = 1; [L823] int methaneLevelCritical = 0; [L925] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L998] int retValue_acc ; [L999] int tmp ; [L1003] FCALL select_helpers() [L1004] FCALL select_features() [L1005] CALL, EXPR valid_product() [L813] int retValue_acc ; [L816] retValue_acc = 1 [L817] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1005] RET, EXPR valid_product() [L1005] tmp = valid_product() [L1007] COND TRUE \read(tmp) [L1009] FCALL setup() [L1010] CALL runTest() [L992] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L66] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L78] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] COND TRUE waterLevel < 2 [L841] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L78] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___1) [L106] CALL stopSystem() [L353] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L106] RET stopSystem() [L113] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L142] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L149] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L157] CALL __utac_acc__Specification3_spec__1() [L376] int tmp ; [L377] int tmp___0 ; [L378] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L382] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L861] int retValue_acc ; [L864] retValue_acc = methaneLevelCritical [L865] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L382] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L382] tmp = isMethaneLevelCritical() [L384] COND FALSE !(\read(tmp)) [L388] CALL, EXPR getWaterLevel() [L893] int retValue_acc ; [L896] retValue_acc = waterLevel [L897] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L388] RET, EXPR getWaterLevel() [L388] tmp___0 = getWaterLevel() [L390] COND TRUE tmp___0 == 2 [L392] CALL, EXPR isPumpRunning() [L267] int retValue_acc ; [L270] retValue_acc = pumpRunning [L271] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L392] RET, EXPR isPumpRunning() [L392] tmp___1 = isPumpRunning() [L394] COND FALSE !(\read(tmp___1)) [L398] CALL __automaton_fail() [L779] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 939 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 473 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 466 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 0.4s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 23:17:27,414 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE