./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_product35.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 e7448e2a4dcf9053e3462616ae6225740bd78f5c7802032dea6a738b62c6fd6a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:19:59,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:19:59,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:19:59,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:19:59,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:19:59,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:19:59,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:19:59,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:19:59,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:19:59,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:19:59,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:19:59,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:19:59,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:19:59,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:19:59,114 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:19:59,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:19:59,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:19:59,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:19:59,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:19:59,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:19:59,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:19:59,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:19:59,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:19:59,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:19:59,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:19:59,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:19:59,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:19:59,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:19:59,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:19:59,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:19:59,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:19:59,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:19:59,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:19:59,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:19:59,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:19:59,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:19:59,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:19:59,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:19:59,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:19:59,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:19:59,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:19:59,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:19:59,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7448e2a4dcf9053e3462616ae6225740bd78f5c7802032dea6a738b62c6fd6a [2024-11-18 14:19:59,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:19:59,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:19:59,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:19:59,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:19:59,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:19:59,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2024-11-18 14:20:00,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:20:00,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:20:00,975 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2024-11-18 14:20:00,985 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f470260bb/90939a0139c54a699e9c8f9f351e5a76/FLAG663816432 [2024-11-18 14:20:01,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f470260bb/90939a0139c54a699e9c8f9f351e5a76 [2024-11-18 14:20:01,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:20:01,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:20:01,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:01,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:20:01,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:20:01,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e398e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01, skipping insertion in model container [2024-11-18 14:20:01,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:20:01,581 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_product35.cil.c[8262,8275] [2024-11-18 14:20:01,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:01,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:20:01,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-18 14:20:01,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-18 14:20:01,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [297] [2024-11-18 14:20:01,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] [2024-11-18 14:20:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [432] [2024-11-18 14:20:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] [2024-11-18 14:20:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [561] [2024-11-18 14:20:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [570] [2024-11-18 14:20:01,675 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_product35.cil.c[8262,8275] [2024-11-18 14:20:01,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:01,741 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:20:01,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01 WrapperNode [2024-11-18 14:20:01,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:01,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:01,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:20:01,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:20:01,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,787 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 183 [2024-11-18 14:20:01,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:01,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:20:01,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:20:01,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:20:01,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,816 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]. [2024-11-18 14:20:01,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:20:01,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:20:01,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:20:01,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:20:01,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (1/1) ... [2024-11-18 14:20:01,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:20:01,867 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) [2024-11-18 14:20:01,869 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 [2024-11-18 14:20:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:20:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-18 14:20:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-18 14:20:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-18 14:20:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-18 14:20:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:20:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:20:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:20:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:20:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:20:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:20:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:20:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:20:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:20:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:20:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:20:01,964 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:20:01,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:20:02,134 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-18 14:20:02,135 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:20:02,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:20:02,151 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:20:02,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:02 BoogieIcfgContainer [2024-11-18 14:20:02,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:20:02,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:20:02,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:20:02,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:20:02,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:20:01" (1/3) ... [2024-11-18 14:20:02,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2610556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:02, skipping insertion in model container [2024-11-18 14:20:02,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:01" (2/3) ... [2024-11-18 14:20:02,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2610556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:02, skipping insertion in model container [2024-11-18 14:20:02,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:02" (3/3) ... [2024-11-18 14:20:02,160 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product35.cil.c [2024-11-18 14:20:02,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:20:02,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:20:02,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:20:02,229 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;@3ea52ebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:20:02,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:20:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 14:20:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:20:02,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:02,243 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:02,244 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:02,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:02,249 INFO L85 PathProgramCache]: Analyzing trace with hash -815916640, now seen corresponding path program 1 times [2024-11-18 14:20:02,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:02,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473727294] [2024-11-18 14:20:02,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:02,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:02,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:02,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473727294] [2024-11-18 14:20:02,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473727294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:02,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:02,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:20:02,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500385513] [2024-11-18 14:20:02,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:02,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:20:02,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:02,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:20:02,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:20:02,495 INFO L87 Difference]: Start difference. First operand has 80 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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) [2024-11-18 14:20:02,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:02,528 INFO L93 Difference]: Finished difference Result 152 states and 207 transitions. [2024-11-18 14:20:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:20:02,531 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 [2024-11-18 14:20:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:02,540 INFO L225 Difference]: With dead ends: 152 [2024-11-18 14:20:02,540 INFO L226 Difference]: Without dead ends: 71 [2024-11-18 14:20:02,543 INFO L431 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 [2024-11-18 14:20:02,549 INFO L432 NwaCegarLoop]: 100 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, 100 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 [2024-11-18 14:20:02,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:02,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-18 14:20:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-18 14:20:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-18 14:20:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-11-18 14:20:02,588 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 25 [2024-11-18 14:20:02,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:02,588 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-11-18 14:20:02,589 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) [2024-11-18 14:20:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-11-18 14:20:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-18 14:20:02,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:02,594 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:02,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:20:02,595 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:02,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:02,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1245391523, now seen corresponding path program 1 times [2024-11-18 14:20:02,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:02,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985107790] [2024-11-18 14:20:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:02,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:02,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:02,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985107790] [2024-11-18 14:20:02,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985107790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:02,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:02,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:02,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175916178] [2024-11-18 14:20:02,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:02,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:02,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:02,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:02,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:02,709 INFO L87 Difference]: Start difference. First operand 71 states and 91 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) [2024-11-18 14:20:02,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:02,718 INFO L93 Difference]: Finished difference Result 104 states and 133 transitions. [2024-11-18 14:20:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:02,719 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 [2024-11-18 14:20:02,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:02,720 INFO L225 Difference]: With dead ends: 104 [2024-11-18 14:20:02,720 INFO L226 Difference]: Without dead ends: 62 [2024-11-18 14:20:02,720 INFO L431 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 [2024-11-18 14:20:02,721 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 135 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 [2024-11-18 14:20:02,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 135 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-18 14:20:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-18 14:20:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 50 states have (on average 1.34) internal successors, (67), 55 states have internal predecessors, (67), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-18 14:20:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2024-11-18 14:20:02,727 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 26 [2024-11-18 14:20:02,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:02,727 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2024-11-18 14:20:02,727 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) [2024-11-18 14:20:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2024-11-18 14:20:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-18 14:20:02,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:02,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:02,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:20:02,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:02,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:02,729 INFO L85 PathProgramCache]: Analyzing trace with hash -552576222, now seen corresponding path program 1 times [2024-11-18 14:20:02,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:02,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715561185] [2024-11-18 14:20:02,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:02,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:02,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:02,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715561185] [2024-11-18 14:20:02,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715561185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:02,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:02,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:02,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891698467] [2024-11-18 14:20:02,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:02,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:02,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:02,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:02,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:02,799 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2024-11-18 14:20:02,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:02,834 INFO L93 Difference]: Finished difference Result 171 states and 223 transitions. [2024-11-18 14:20:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:02,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 [2024-11-18 14:20:02,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:02,836 INFO L225 Difference]: With dead ends: 171 [2024-11-18 14:20:02,836 INFO L226 Difference]: Without dead ends: 116 [2024-11-18 14:20:02,837 INFO L431 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 [2024-11-18 14:20:02,838 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:02,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 165 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:02,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-18 14:20:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 111. [2024-11-18 14:20:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 97 states have internal predecessors, (120), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-18 14:20:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 144 transitions. [2024-11-18 14:20:02,859 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 144 transitions. Word has length 30 [2024-11-18 14:20:02,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:02,859 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 144 transitions. [2024-11-18 14:20:02,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2024-11-18 14:20:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 144 transitions. [2024-11-18 14:20:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-18 14:20:02,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:02,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:02,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:20:02,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:02,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:02,862 INFO L85 PathProgramCache]: Analyzing trace with hash -551449311, now seen corresponding path program 1 times [2024-11-18 14:20:02,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:02,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388375762] [2024-11-18 14:20:02,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:02,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:02,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:02,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388375762] [2024-11-18 14:20:02,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388375762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:02,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:02,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:02,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680411442] [2024-11-18 14:20:02,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:02,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:02,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:02,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:02,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:02,918 INFO L87 Difference]: Start difference. First operand 111 states and 144 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 14:20:02,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:02,977 INFO L93 Difference]: Finished difference Result 294 states and 389 transitions. [2024-11-18 14:20:02,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:02,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-18 14:20:02,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:02,980 INFO L225 Difference]: With dead ends: 294 [2024-11-18 14:20:02,980 INFO L226 Difference]: Without dead ends: 190 [2024-11-18 14:20:02,981 INFO L431 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 [2024-11-18 14:20:02,982 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:02,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 127 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-18 14:20:03,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 188. [2024-11-18 14:20:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 147 states have (on average 1.346938775510204) internal successors, (198), 158 states have internal predecessors, (198), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-11-18 14:20:03,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 242 transitions. [2024-11-18 14:20:03,014 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 242 transitions. Word has length 35 [2024-11-18 14:20:03,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:03,015 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 242 transitions. [2024-11-18 14:20:03,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-18 14:20:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2024-11-18 14:20:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-18 14:20:03,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:03,016 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:03,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:20:03,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:03,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1364338089, now seen corresponding path program 1 times [2024-11-18 14:20:03,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:03,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010399360] [2024-11-18 14:20:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:03,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:03,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010399360] [2024-11-18 14:20:03,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010399360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:03,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:03,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:03,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693778339] [2024-11-18 14:20:03,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:03,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:03,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:03,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:03,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:03,147 INFO L87 Difference]: Start difference. First operand 188 states and 242 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) [2024-11-18 14:20:03,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:03,239 INFO L93 Difference]: Finished difference Result 520 states and 696 transitions. [2024-11-18 14:20:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:03,240 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 [2024-11-18 14:20:03,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:03,247 INFO L225 Difference]: With dead ends: 520 [2024-11-18 14:20:03,247 INFO L226 Difference]: Without dead ends: 339 [2024-11-18 14:20:03,250 INFO L431 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 [2024-11-18 14:20:03,254 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 38 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:03,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 282 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-18 14:20:03,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-11-18 14:20:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 266 states have (on average 1.3120300751879699) internal successors, (349), 281 states have internal predecessors, (349), 38 states have call successors, (38), 38 states have call predecessors, (38), 34 states have return successors, (50), 34 states have call predecessors, (50), 38 states have call successors, (50) [2024-11-18 14:20:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 437 transitions. [2024-11-18 14:20:03,313 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 437 transitions. Word has length 34 [2024-11-18 14:20:03,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:03,313 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 437 transitions. [2024-11-18 14:20:03,314 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) [2024-11-18 14:20:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 437 transitions. [2024-11-18 14:20:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 14:20:03,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:03,315 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:03,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:20:03,316 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:03,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1002526275, now seen corresponding path program 1 times [2024-11-18 14:20:03,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:03,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701812610] [2024-11-18 14:20:03,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:20:03,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 14:20:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:20:03,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 14:20:03,374 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 14:20:03,376 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:20:03,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:20:03,379 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-18 14:20:03,427 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:20:03,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:20:03 BoogieIcfgContainer [2024-11-18 14:20:03,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:20:03,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:20:03,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:20:03,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:20:03,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:02" (3/4) ... [2024-11-18 14:20:03,435 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-18 14:20:03,491 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:20:03,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:20:03,492 INFO L158 Benchmark]: Toolchain (without parser) took 2130.61ms. Allocated memory is still 165.7MB. Free memory was 111.7MB in the beginning and 117.4MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:03,492 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:03,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.49ms. Allocated memory is still 165.7MB. Free memory was 111.3MB in the beginning and 90.3MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-18 14:20:03,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.03ms. Allocated memory is still 165.7MB. Free memory was 89.9MB in the beginning and 87.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:03,493 INFO L158 Benchmark]: Boogie Preprocessor took 37.52ms. Allocated memory is still 165.7MB. Free memory was 87.9MB in the beginning and 85.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:03,493 INFO L158 Benchmark]: RCFGBuilder took 319.90ms. Allocated memory is still 165.7MB. Free memory was 85.5MB in the beginning and 68.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 14:20:03,493 INFO L158 Benchmark]: TraceAbstraction took 1279.38ms. Allocated memory is still 165.7MB. Free memory was 67.3MB in the beginning and 121.1MB in the end (delta: -53.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:03,494 INFO L158 Benchmark]: Witness Printer took 58.05ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 117.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 14:20:03,495 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 123.7MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.49ms. Allocated memory is still 165.7MB. Free memory was 111.3MB in the beginning and 90.3MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.03ms. Allocated memory is still 165.7MB. Free memory was 89.9MB in the beginning and 87.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.52ms. Allocated memory is still 165.7MB. Free memory was 87.9MB in the beginning and 85.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.90ms. Allocated memory is still 165.7MB. Free memory was 85.5MB in the beginning and 68.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1279.38ms. Allocated memory is still 165.7MB. Free memory was 67.3MB in the beginning and 121.1MB in the end (delta: -53.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.05ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 117.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 297]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [297] - GenericResultAtLocation [Line: 333]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [432] - GenericResultAtLocation [Line: 526]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [561] - GenericResultAtLocation [Line: 570]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [570] * 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: 566]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L433] int waterLevel = 1; [L434] int methaneLevelCritical = 0; [L740] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L553] int retValue_acc ; [L556] retValue_acc = 1 [L557] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L401] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L451] COND TRUE waterLevel < 2 [L452] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L99] tmp___1 = __VERIFIER_nondet_int() [L101] COND TRUE \read(tmp___1) [L103] CALL stopSystem() [L286] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L293] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L103] RET stopSystem() [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L145] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L153] CALL __utac_acc__Specification3_spec__1() [L301] int tmp ; [L302] int tmp___0 ; [L303] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L307] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L472] int retValue_acc ; [L475] retValue_acc = methaneLevelCritical [L476] 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] [L307] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L307] tmp = isMethaneLevelCritical() [L309] COND FALSE !(\read(tmp)) [L313] CALL, EXPR getWaterLevel() [L504] int retValue_acc ; [L507] retValue_acc = waterLevel [L508] 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] [L313] RET, EXPR getWaterLevel() [L313] tmp___0 = getWaterLevel() [L315] COND TRUE tmp___0 == 2 [L317] CALL, EXPR isPumpRunning() [L219] int retValue_acc ; [L222] retValue_acc = pumpRunning [L223] 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] [L317] RET, EXPR isPumpRunning() [L317] tmp___1 = isPumpRunning() [L319] COND FALSE !(\read(tmp___1)) [L323] CALL __automaton_fail() [L566] 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 7 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 809 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 386 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 423 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=339occurred in iteration=5, 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2024-11-18 14:20:03,521 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