./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-551b009-m [2025-01-09 04:01:39,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:01:39,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:01:39,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:01:39,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:01:39,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:01:39,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:01:39,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:01:39,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:01:39,834 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:01:39,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:01:39,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:01:39,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:01:39,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:01:39,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:01:39,836 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:39,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:39,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:39,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:39,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:01:39,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:01:39,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:39,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:01:39,838 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 [2025-01-09 04:01:40,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:01:40,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:01:40,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:01:40,122 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:01:40,122 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:01:40,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2025-01-09 04:01:41,446 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68133a5a5/735bac48fed94ae6bd49d2270d1b713a/FLAG654262bcb [2025-01-09 04:01:41,723 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:01:41,724 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2025-01-09 04:01:41,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68133a5a5/735bac48fed94ae6bd49d2270d1b713a/FLAG654262bcb [2025-01-09 04:01:41,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68133a5a5/735bac48fed94ae6bd49d2270d1b713a [2025-01-09 04:01:41,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:01:41,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:01:41,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:41,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:01:41,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:01:41,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:41" (1/1) ... [2025-01-09 04:01:41,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c0dad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:41, skipping insertion in model container [2025-01-09 04:01:41,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:01:41" (1/1) ... [2025-01-09 04:01:41,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:01:42,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135] [2025-01-09 04:01:42,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:42,030 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:01:42,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2025-01-09 04:01:42,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2025-01-09 04:01:42,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [372] [2025-01-09 04:01:42,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [408] [2025-01-09 04:01:42,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [774] [2025-01-09 04:01:42,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [783] [2025-01-09 04:01:42,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [821] [2025-01-09 04:01:42,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [924] [2025-01-09 04:01:42,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135] [2025-01-09 04:01:42,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:01:42,111 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:01:42,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42 WrapperNode [2025-01-09 04:01:42,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:01:42,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:42,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:01:42,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:01:42,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,160 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 230 [2025-01-09 04:01:42,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:01:42,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:01:42,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:01:42,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:01:42,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,169 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,185 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 04:01:42,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,192 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:01:42,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:01:42,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:01:42,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:01:42,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (1/1) ... [2025-01-09 04:01:42,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:01:42,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:01:42,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:01:42,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:01:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:01:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-01-09 04:01:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-01-09 04:01:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-01-09 04:01:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-01-09 04:01:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-01-09 04:01:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-01-09 04:01:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-01-09 04:01:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-01-09 04:01:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2025-01-09 04:01:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2025-01-09 04:01:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-01-09 04:01:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-01-09 04:01:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-01-09 04:01:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-01-09 04:01:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:01:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-01-09 04:01:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-01-09 04:01:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:01:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:01:42,350 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:01:42,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:01:42,545 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-01-09 04:01:42,545 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:01:42,554 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:01:42,554 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 04:01:42,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:42 BoogieIcfgContainer [2025-01-09 04:01:42,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:01:42,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:01:42,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:01:42,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:01:42,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:01:41" (1/3) ... [2025-01-09 04:01:42,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3e83c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:42, skipping insertion in model container [2025-01-09 04:01:42,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:01:42" (2/3) ... [2025-01-09 04:01:42,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3e83c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:01:42, skipping insertion in model container [2025-01-09 04:01:42,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:42" (3/3) ... [2025-01-09 04:01:42,563 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c [2025-01-09 04:01:42,574 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:01:42,576 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product60.cil.c that has 9 procedures, 99 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 04:01:42,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:01:42,620 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;@1b7d5140, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:01:42,620 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:01:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 75 states have (on average 1.36) internal successors, (102), 84 states have internal predecessors, (102), 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) [2025-01-09 04:01:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 04:01:42,628 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:42,629 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] [2025-01-09 04:01:42,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:42,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:42,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1725400545, now seen corresponding path program 1 times [2025-01-09 04:01:42,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:42,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506775283] [2025-01-09 04:01:42,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:42,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:42,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 04:01:42,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 04:01:42,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:42,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:42,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:42,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506775283] [2025-01-09 04:01:42,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506775283] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:42,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:42,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 04:01:42,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680016031] [2025-01-09 04:01:42,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:42,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 04:01:42,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:42,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 04:01:42,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:01:42,821 INFO L87 Difference]: Start difference. First operand has 99 states, 75 states have (on average 1.36) internal successors, (102), 84 states have internal predecessors, (102), 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) [2025-01-09 04:01:42,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:42,847 INFO L93 Difference]: Finished difference Result 190 states and 255 transitions. [2025-01-09 04:01:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 04:01:42,849 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 [2025-01-09 04:01:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:42,855 INFO L225 Difference]: With dead ends: 190 [2025-01-09 04:01:42,856 INFO L226 Difference]: Without dead ends: 90 [2025-01-09 04:01:42,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:01:42,862 INFO L435 NwaCegarLoop]: 126 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, 126 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 [2025-01-09 04:01:42,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:42,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-01-09 04:01:42,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2025-01-09 04:01:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 76 states have internal predecessors, (90), 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) [2025-01-09 04:01:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 117 transitions. [2025-01-09 04:01:42,899 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 117 transitions. Word has length 25 [2025-01-09 04:01:42,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:42,899 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 117 transitions. [2025-01-09 04:01:42,899 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) [2025-01-09 04:01:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2025-01-09 04:01:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 04:01:42,901 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:42,901 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] [2025-01-09 04:01:42,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:01:42,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:42,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash -803889973, now seen corresponding path program 1 times [2025-01-09 04:01:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:42,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964546178] [2025-01-09 04:01:42,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:42,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:42,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 04:01:42,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 04:01:42,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:42,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:42,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964546178] [2025-01-09 04:01:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964546178] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:42,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:42,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:01:42,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392348288] [2025-01-09 04:01:42,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:42,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:01:42,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:42,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:01:42,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:42,990 INFO L87 Difference]: Start difference. First operand 90 states and 117 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2025-01-09 04:01:43,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:43,003 INFO L93 Difference]: Finished difference Result 143 states and 185 transitions. [2025-01-09 04:01:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:01:43,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 [2025-01-09 04:01:43,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:43,004 INFO L225 Difference]: With dead ends: 143 [2025-01-09 04:01:43,004 INFO L226 Difference]: Without dead ends: 82 [2025-01-09 04:01:43,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:01:43,005 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 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 [2025-01-09 04:01:43,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:43,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-01-09 04:01:43,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2025-01-09 04:01:43,013 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) [2025-01-09 04:01:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2025-01-09 04:01:43,014 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 25 [2025-01-09 04:01:43,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:43,014 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2025-01-09 04:01:43,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2025-01-09 04:01:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2025-01-09 04:01:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-09 04:01:43,015 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:43,015 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:01:43,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:01:43,015 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:43,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:43,016 INFO L85 PathProgramCache]: Analyzing trace with hash 3995058, now seen corresponding path program 1 times [2025-01-09 04:01:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:43,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400671263] [2025-01-09 04:01:43,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:43,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 04:01:43,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 04:01:43,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:43,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:43,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:43,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400671263] [2025-01-09 04:01:43,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400671263] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:43,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:43,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:01:43,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517649489] [2025-01-09 04:01:43,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:43,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:01:43,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:43,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:01:43,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:01:43,152 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2025-01-09 04:01:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:43,235 INFO L93 Difference]: Finished difference Result 200 states and 262 transitions. [2025-01-09 04:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:01:43,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 [2025-01-09 04:01:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:43,238 INFO L225 Difference]: With dead ends: 200 [2025-01-09 04:01:43,238 INFO L226 Difference]: Without dead ends: 125 [2025-01-09 04:01:43,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:01:43,239 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 99 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:01:43,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 413 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:43,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-01-09 04:01:43,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2025-01-09 04:01:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 93 states have (on average 1.3548387096774193) internal successors, (126), 104 states have internal predecessors, (126), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2025-01-09 04:01:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 159 transitions. [2025-01-09 04:01:43,270 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 159 transitions. Word has length 30 [2025-01-09 04:01:43,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:43,270 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 159 transitions. [2025-01-09 04:01:43,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 159 transitions. [2025-01-09 04:01:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-09 04:01:43,271 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:43,271 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] [2025-01-09 04:01:43,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:01:43,271 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:43,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:43,272 INFO L85 PathProgramCache]: Analyzing trace with hash -971441881, now seen corresponding path program 1 times [2025-01-09 04:01:43,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:43,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653114454] [2025-01-09 04:01:43,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:43,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:43,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-09 04:01:43,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-09 04:01:43,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:43,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:01:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 04:01:43,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:01:43,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653114454] [2025-01-09 04:01:43,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653114454] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:01:43,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:01:43,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:01:43,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315810886] [2025-01-09 04:01:43,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:01:43,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:01:43,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:01:43,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:01:43,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:01:43,441 INFO L87 Difference]: Start difference. First operand 122 states and 159 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:01:43,518 INFO L93 Difference]: Finished difference Result 340 states and 462 transitions. [2025-01-09 04:01:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:01:43,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 33 [2025-01-09 04:01:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:01:43,522 INFO L225 Difference]: With dead ends: 340 [2025-01-09 04:01:43,522 INFO L226 Difference]: Without dead ends: 225 [2025-01-09 04:01:43,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:01:43,523 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 69 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 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, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:01:43,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 385 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:01:43,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-01-09 04:01:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2025-01-09 04:01:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 170 states have (on average 1.3352941176470587) internal successors, (227), 189 states have internal predecessors, (227), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (37), 22 states have call predecessors, (37), 32 states have call successors, (37) [2025-01-09 04:01:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 296 transitions. [2025-01-09 04:01:43,551 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 296 transitions. Word has length 33 [2025-01-09 04:01:43,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:01:43,552 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 296 transitions. [2025-01-09 04:01:43,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 04:01:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 296 transitions. [2025-01-09 04:01:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-09 04:01:43,556 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:01:43,556 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] [2025-01-09 04:01:43,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:01:43,556 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:01:43,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:01:43,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2037052941, now seen corresponding path program 1 times [2025-01-09 04:01:43,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:01:43,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645500781] [2025-01-09 04:01:43,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:01:43,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:01:43,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 04:01:43,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 04:01:43,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:43,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 04:01:43,578 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 04:01:43,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 04:01:43,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 04:01:43,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:01:43,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 04:01:43,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 04:01:43,625 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 04:01:43,626 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 04:01:43,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:01:43,630 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 04:01:43,672 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 04:01:43,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:01:43 BoogieIcfgContainer [2025-01-09 04:01:43,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 04:01:43,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 04:01:43,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 04:01:43,675 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 04:01:43,675 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:01:42" (3/4) ... [2025-01-09 04:01:43,676 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-09 04:01:43,729 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 31. [2025-01-09 04:01:43,788 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 04:01:43,788 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 04:01:43,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 04:01:43,789 INFO L158 Benchmark]: Toolchain (without parser) took 2033.69ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 53.0MB in the end (delta: 60.9MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2025-01-09 04:01:43,789 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:43,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.94ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 95.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:01:43,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:43,790 INFO L158 Benchmark]: Boogie Preprocessor took 45.07ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 04:01:43,790 INFO L158 Benchmark]: RCFGBuilder took 347.74ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 73.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 04:01:43,790 INFO L158 Benchmark]: TraceAbstraction took 1117.68ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 60.6MB in the end (delta: 11.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-01-09 04:01:43,794 INFO L158 Benchmark]: Witness Printer took 113.61ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 53.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 04:01:43,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.94ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 95.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.13ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.07ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 347.74ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 73.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1117.68ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 60.6MB in the end (delta: 11.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 113.61ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 53.0MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"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] [L68] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [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, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 1113 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 662 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 451 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-01-09 04:01:43,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE