./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_product59.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 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:54:26,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:54:26,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:54:27,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:54:27,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:54:27,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:54:27,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:54:27,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:54:27,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:54:27,035 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:54:27,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:54:27,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:54:27,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:54:27,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:54:27,037 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:54:27,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:54:27,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:54:27,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:54:27,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:54:27,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:54:27,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:54:27,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:54:27,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:54:27,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:54:27,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:54:27,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:54:27,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:54:27,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:54:27,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:54:27,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:54:27,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:54:27,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:54:27,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:54:27,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:54:27,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:54:27,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:54:27,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:54:27,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:54:27,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:54:27,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:54:27,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:54:27,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:54:27,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44dae38cb994480933527955346e93b306d1aac023f2c5b3e53f2823ec637c09 [2024-11-11 20:54:27,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:54:27,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:54:27,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:54:27,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:54:27,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:54:27,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2024-11-11 20:54:28,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:54:29,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:54:29,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product59.cil.c [2024-11-11 20:54:29,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce35f227e/5ae81ec9585f46d3aebf1cb9b0e75dd5/FLAG79d043382 [2024-11-11 20:54:29,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce35f227e/5ae81ec9585f46d3aebf1cb9b0e75dd5 [2024-11-11 20:54:29,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:54:29,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:54:29,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:54:29,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:54:29,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:54:29,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5870bd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29, skipping insertion in model container [2024-11-11 20:54:29,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:54:29,579 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_product59.cil.c[15143,15156] [2024-11-11 20:54:29,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:54:29,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:54:29,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-11 20:54:29,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-11 20:54:29,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [526] [2024-11-11 20:54:29,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [628] [2024-11-11 20:54:29,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [663] [2024-11-11 20:54:29,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699] [2024-11-11 20:54:29,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708] [2024-11-11 20:54:29,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776] [2024-11-11 20:54:29,678 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_product59.cil.c[15143,15156] [2024-11-11 20:54:29,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:54:29,706 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:54:29,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29 WrapperNode [2024-11-11 20:54:29,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:54:29,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:54:29,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:54:29,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:54:29,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,771 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 230 [2024-11-11 20:54:29,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:54:29,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:54:29,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:54:29,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:54:29,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,786 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,801 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]. [2024-11-11 20:54:29,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:54:29,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:54:29,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:54:29,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:54:29,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (1/1) ... [2024-11-11 20:54:29,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:54:29,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:54:29,868 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) [2024-11-11 20:54:29,871 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 [2024-11-11 20:54:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:54:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-11 20:54:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-11 20:54:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:54:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:54:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:54:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:54:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-11 20:54:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-11 20:54:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-11 20:54:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-11 20:54:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-11 20:54:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-11 20:54:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-11 20:54:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-11 20:54:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:54:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-11 20:54:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-11 20:54:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:54:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:54:29,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:54:29,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:54:30,265 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-11 20:54:30,266 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:54:30,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:54:30,286 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 20:54:30,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:54:30 BoogieIcfgContainer [2024-11-11 20:54:30,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:54:30,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:54:30,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:54:30,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:54:30,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:54:29" (1/3) ... [2024-11-11 20:54:30,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eec9c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:54:30, skipping insertion in model container [2024-11-11 20:54:30,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:54:29" (2/3) ... [2024-11-11 20:54:30,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eec9c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:54:30, skipping insertion in model container [2024-11-11 20:54:30,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:54:30" (3/3) ... [2024-11-11 20:54:30,294 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59.cil.c [2024-11-11 20:54:30,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:54:30,307 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:54:30,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:54:30,375 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;@6d1c708c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:54:30,376 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:54:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 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) [2024-11-11 20:54:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-11 20:54:30,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:54:30,391 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:54:30,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:54:30,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:54:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1192429989, now seen corresponding path program 1 times [2024-11-11 20:54:30,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:54:30,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016010180] [2024-11-11 20:54:30,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:54:30,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:54:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:30,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 20:54:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:54:30,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:54:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016010180] [2024-11-11 20:54:30,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016010180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:54:30,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:54:30,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 20:54:30,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512180948] [2024-11-11 20:54:30,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:54:30,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:54:30,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:54:30,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:54:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:54:30,703 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.381578947368421) internal successors, (105), 85 states have internal predecessors, (105), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-11 20:54:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:54:30,731 INFO L93 Difference]: Finished difference Result 192 states and 261 transitions. [2024-11-11 20:54:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:54:30,734 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-11-11 20:54:30,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:54:30,741 INFO L225 Difference]: With dead ends: 192 [2024-11-11 20:54:30,741 INFO L226 Difference]: Without dead ends: 91 [2024-11-11 20:54:30,744 INFO L434 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 [2024-11-11 20:54:30,746 INFO L435 NwaCegarLoop]: 127 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, 127 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 [2024-11-11 20:54:30,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:54:30,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-11 20:54:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-11 20:54:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.318840579710145) internal successors, (91), 77 states have internal predecessors, (91), 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) [2024-11-11 20:54:30,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2024-11-11 20:54:30,780 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 25 [2024-11-11 20:54:30,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:54:30,780 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2024-11-11 20:54:30,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-11 20:54:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2024-11-11 20:54:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-11 20:54:30,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:54:30,783 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:54:30,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:54:30,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:54:30,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:54:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1057066551, now seen corresponding path program 1 times [2024-11-11 20:54:30,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:54:30,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683831982] [2024-11-11 20:54:30,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:54:30,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:54:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:30,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-11 20:54:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:54:30,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:54:30,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683831982] [2024-11-11 20:54:30,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683831982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:54:30,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:54:30,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:54:30,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026936208] [2024-11-11 20:54:30,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:54:30,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:54:30,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:54:30,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:54:30,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:54:30,878 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-11 20:54:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:54:30,891 INFO L93 Difference]: Finished difference Result 144 states and 186 transitions. [2024-11-11 20:54:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:54:30,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2024-11-11 20:54:30,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:54:30,893 INFO L225 Difference]: With dead ends: 144 [2024-11-11 20:54:30,893 INFO L226 Difference]: Without dead ends: 82 [2024-11-11 20:54:30,894 INFO L434 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 [2024-11-11 20:54:30,894 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 189 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 [2024-11-11 20:54:30,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:54:30,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-11 20:54:30,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-11 20:54:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 71 states have internal predecessors, (84), 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) [2024-11-11 20:54:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2024-11-11 20:54:30,904 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 26 [2024-11-11 20:54:30,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:54:30,904 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2024-11-11 20:54:30,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-11 20:54:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2024-11-11 20:54:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-11 20:54:30,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:54:30,906 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:54:30,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:54:30,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:54:30,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:54:30,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1107205587, now seen corresponding path program 1 times [2024-11-11 20:54:30,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:54:30,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530456240] [2024-11-11 20:54:30,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:54:30,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:54:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:54:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:54:31,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:54:31,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530456240] [2024-11-11 20:54:31,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530456240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:54:31,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:54:31,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:54:31,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786447735] [2024-11-11 20:54:31,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:54:31,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:54:31,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:54:31,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:54:31,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:54:31,058 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-11 20:54:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:54:31,341 INFO L93 Difference]: Finished difference Result 275 states and 362 transitions. [2024-11-11 20:54:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:54:31,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2024-11-11 20:54:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:54:31,344 INFO L225 Difference]: With dead ends: 275 [2024-11-11 20:54:31,348 INFO L226 Difference]: Without dead ends: 200 [2024-11-11 20:54:31,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-11 20:54:31,350 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 252 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:54:31,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 439 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 20:54:31,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-11 20:54:31,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 194. [2024-11-11 20:54:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 147 states have (on average 1.3605442176870748) internal successors, (200), 165 states have internal predecessors, (200), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-11 20:54:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 255 transitions. [2024-11-11 20:54:31,394 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 255 transitions. Word has length 30 [2024-11-11 20:54:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:54:31,394 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 255 transitions. [2024-11-11 20:54:31,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-11 20:54:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 255 transitions. [2024-11-11 20:54:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-11 20:54:31,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:54:31,401 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:54:31,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:54:31,402 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:54:31,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:54:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash 915350115, now seen corresponding path program 1 times [2024-11-11 20:54:31,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:54:31,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137477294] [2024-11-11 20:54:31,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:54:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:54:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 20:54:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:54:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 20:54:31,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:54:31,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137477294] [2024-11-11 20:54:31,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137477294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:54:31,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:54:31,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 20:54:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721598265] [2024-11-11 20:54:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:54:31,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:54:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:54:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:54:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 20:54:31,604 INFO L87 Difference]: Start difference. First operand 194 states and 255 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-11 20:54:31,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:54:31,709 INFO L93 Difference]: Finished difference Result 551 states and 750 transitions. [2024-11-11 20:54:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:54:31,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2024-11-11 20:54:31,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:54:31,717 INFO L225 Difference]: With dead ends: 551 [2024-11-11 20:54:31,718 INFO L226 Difference]: Without dead ends: 364 [2024-11-11 20:54:31,720 INFO L434 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 [2024-11-11 20:54:31,721 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 68 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 385 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 [2024-11-11 20:54:31,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 385 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:54:31,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-11 20:54:31,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-11 20:54:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 274 states have (on average 1.3357664233576643) internal successors, (366), 306 states have internal predecessors, (366), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (60), 35 states have call predecessors, (60), 54 states have call successors, (60) [2024-11-11 20:54:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 480 transitions. [2024-11-11 20:54:31,799 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 480 transitions. Word has length 34 [2024-11-11 20:54:31,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:54:31,800 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 480 transitions. [2024-11-11 20:54:31,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-11-11 20:54:31,801 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 480 transitions. [2024-11-11 20:54:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-11 20:54:31,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:54:31,804 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:54:31,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:54:31,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:54:31,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:54:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1706214601, now seen corresponding path program 1 times [2024-11-11 20:54:31,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:54:31,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654791725] [2024-11-11 20:54:31,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:54:31,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:54:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 20:54:31,837 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 20:54:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 20:54:31,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 20:54:31,892 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 20:54:31,894 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 20:54:31,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 20:54:31,899 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-11 20:54:31,959 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 20:54:31,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 08:54:31 BoogieIcfgContainer [2024-11-11 20:54:31,962 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 20:54:31,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 20:54:31,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 20:54:31,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 20:54:31,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:54:30" (3/4) ... [2024-11-11 20:54:31,969 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-11 20:54:32,038 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 20:54:32,038 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 20:54:32,039 INFO L158 Benchmark]: Toolchain (without parser) took 2886.11ms. Allocated memory is still 157.3MB. Free memory was 89.2MB in the beginning and 106.9MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:54:32,039 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:54:32,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.44ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 113.5MB in the end (delta: -24.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-11 20:54:32,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.35ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 111.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:54:32,040 INFO L158 Benchmark]: Boogie Preprocessor took 42.06ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 108.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:54:32,040 INFO L158 Benchmark]: RCFGBuilder took 470.19ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 89.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-11 20:54:32,040 INFO L158 Benchmark]: TraceAbstraction took 1673.10ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 111.1MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:54:32,040 INFO L158 Benchmark]: Witness Printer took 75.20ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 106.9MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:54:32,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.44ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 113.5MB in the end (delta: -24.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.35ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 111.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.06ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 108.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.19ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 89.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1673.10ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 111.1MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.20ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 106.9MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 526]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [526] - GenericResultAtLocation [Line: 628]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [628] - GenericResultAtLocation [Line: 663]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [663] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [699] - GenericResultAtLocation [Line: 708]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [708] - GenericResultAtLocation [Line: 776]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [776] * 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: 704]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L527] int cleanupTimeShifts = 4; [L779] int pumpRunning = 0; [L780] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L655] int retValue_acc ; [L658] retValue_acc = 1 [L659] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L597] CALL test() [L711] int splverifierCounter ; [L712] int tmp ; [L713] int tmp___0 ; [L714] int tmp___1 ; [L715] int tmp___2 ; [L718] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L720] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L722] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L728] tmp = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L732] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L442] COND TRUE waterLevel < 2 [L443] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L738] tmp___0 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L748] tmp___2 = __VERIFIER_nondet_int() [L750] COND FALSE !(\read(tmp___2)) [L754] tmp___1 = __VERIFIER_nondet_int() [L756] COND TRUE \read(tmp___1) [L758] CALL stopSystem() [L997] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1004] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L758] RET stopSystem() [L765] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L786] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L793] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L801] CALL __utac_acc__Specification3_spec__1() [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] 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] [L673] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L679] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] 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] [L679] RET, EXPR getWaterLevel() [L679] tmp___0 = getWaterLevel() [L681] COND TRUE tmp___0 == 2 [L683] CALL, EXPR isPumpRunning() [L911] int retValue_acc ; [L914] retValue_acc = pumpRunning [L915] 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] [L683] RET, EXPR isPumpRunning() [L683] tmp___1 = isPumpRunning() [L685] COND FALSE !(\read(tmp___1)) [L689] CALL __automaton_fail() [L704] 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 340 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 336 mSDsluCounter, 1140 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 687 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 453 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 111 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! [2024-11-11 20:54:32,070 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