./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product40.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 77b56c936ee2ca54668f40aefbb58be12afe7e576f3b6d14c65eab965872c215 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:09:54,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:09:55,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:09:55,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:09:55,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:09:55,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:09:55,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:09:55,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:09:55,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:09:55,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:09:55,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:09:55,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:09:55,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:09:55,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:09:55,054 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:09:55,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:09:55,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:09:55,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:09:55,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:09:55,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:09:55,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:09:55,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:09:55,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:09:55,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:09:55,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:09:55,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:09:55,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:09:55,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:09:55,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:09:55,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:09:55,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:09:55,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:09:55,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:09:55,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:09:55,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:09:55,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:09:55,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:09:55,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:09:55,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:09:55,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:09:55,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:09:55,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:09:55,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77b56c936ee2ca54668f40aefbb58be12afe7e576f3b6d14c65eab965872c215 [2024-10-14 03:09:55,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:09:55,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:09:55,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:09:55,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:09:55,382 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:09:55,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product40.cil.c [2024-10-14 03:09:56,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:09:57,055 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:09:57,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product40.cil.c [2024-10-14 03:09:57,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd69e24c/f8112025664845a4add2239d3504053c/FLAG58dff9305 [2024-10-14 03:09:57,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd69e24c/f8112025664845a4add2239d3504053c [2024-10-14 03:09:57,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:09:57,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:09:57,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:09:57,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:09:57,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:09:57,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b90d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57, skipping insertion in model container [2024-10-14 03:09:57,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:09:57,634 WARN L248 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_spec4_product40.cil.c[5400,5413] [2024-10-14 03:09:57,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:09:57,742 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:09:57,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-10-14 03:09:57,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2024-10-14 03:09:57,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [334] [2024-10-14 03:09:57,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [343] [2024-10-14 03:09:57,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [442] [2024-10-14 03:09:57,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [537] [2024-10-14 03:09:57,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [903] [2024-10-14 03:09:57,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [929] [2024-10-14 03:09:57,775 WARN L248 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_spec4_product40.cil.c[5400,5413] [2024-10-14 03:09:57,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:09:57,873 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:09:57,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57 WrapperNode [2024-10-14 03:09:57,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:09:57,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:09:57,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:09:57,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:09:57,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,924 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 204 [2024-10-14 03:09:57,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:09:57,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:09:57,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:09:57,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:09:57,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,953 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]. [2024-10-14 03:09:57,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:09:57,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:09:57,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:09:57,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:09:57,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (1/1) ... [2024-10-14 03:09:57,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:09:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:09:58,015 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) [2024-10-14 03:09:58,019 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 [2024-10-14 03:09:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:09:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-14 03:09:58,072 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-14 03:09:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-14 03:09:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-14 03:09:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-14 03:09:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-14 03:09:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-10-14 03:09:58,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-10-14 03:09:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-14 03:09:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-14 03:09:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-14 03:09:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-14 03:09:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:09:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-14 03:09:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-14 03:09:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:09:58,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:09:58,154 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:09:58,159 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:09:58,512 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-10-14 03:09:58,516 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:09:58,567 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:09:58,568 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 03:09:58,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:09:58 BoogieIcfgContainer [2024-10-14 03:09:58,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:09:58,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:09:58,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:09:58,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:09:58,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:09:57" (1/3) ... [2024-10-14 03:09:58,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb306dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:09:58, skipping insertion in model container [2024-10-14 03:09:58,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:09:57" (2/3) ... [2024-10-14 03:09:58,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb306dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:09:58, skipping insertion in model container [2024-10-14 03:09:58,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:09:58" (3/3) ... [2024-10-14 03:09:58,578 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product40.cil.c [2024-10-14 03:09:58,596 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:09:58,596 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:09:58,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:09:58,676 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;@117653c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:09:58,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:09:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 46 states have (on average 1.565217391304348) internal successors, (72), 55 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 03:09:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 03:09:58,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:58,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:09:58,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:58,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:58,693 INFO L85 PathProgramCache]: Analyzing trace with hash -2035458281, now seen corresponding path program 1 times [2024-10-14 03:09:58,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:58,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958866038] [2024-10-14 03:09:58,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:58,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:58,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958866038] [2024-10-14 03:09:58,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958866038] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:58,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:58,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 03:09:58,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959058450] [2024-10-14 03:09:58,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:58,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:09:58,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:58,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:09:58,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:09:58,898 INFO L87 Difference]: Start difference. First operand has 67 states, 46 states have (on average 1.565217391304348) internal successors, (72), 55 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:58,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:58,965 INFO L93 Difference]: Finished difference Result 132 states and 193 transitions. [2024-10-14 03:09:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:09:58,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-14 03:09:58,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:58,977 INFO L225 Difference]: With dead ends: 132 [2024-10-14 03:09:58,978 INFO L226 Difference]: Without dead ends: 62 [2024-10-14 03:09:58,982 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 [2024-10-14 03:09:58,987 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:58,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:09:59,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-14 03:09:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-14 03:09:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.441860465116279) internal successors, (62), 51 states have internal predecessors, (62), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 03:09:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2024-10-14 03:09:59,036 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 12 [2024-10-14 03:09:59,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:59,037 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2024-10-14 03:09:59,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2024-10-14 03:09:59,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 03:09:59,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:59,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:09:59,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:09:59,041 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:59,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:59,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1739570511, now seen corresponding path program 1 times [2024-10-14 03:09:59,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:59,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638499311] [2024-10-14 03:09:59,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:59,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:59,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:59,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638499311] [2024-10-14 03:09:59,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638499311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:59,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:59,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:09:59,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480639070] [2024-10-14 03:09:59,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:59,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:09:59,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:59,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:09:59,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:09:59,183 INFO L87 Difference]: Start difference. First operand 62 states and 85 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:59,234 INFO L93 Difference]: Finished difference Result 94 states and 128 transitions. [2024-10-14 03:09:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:09:59,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-14 03:09:59,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:59,236 INFO L225 Difference]: With dead ends: 94 [2024-10-14 03:09:59,237 INFO L226 Difference]: Without dead ends: 54 [2024-10-14 03:09:59,238 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 [2024-10-14 03:09:59,239 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 14 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:59,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 108 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:09:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-14 03:09:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-14 03:09:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 46 states have internal predecessors, (56), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 03:09:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2024-10-14 03:09:59,252 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 13 [2024-10-14 03:09:59,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:59,253 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2024-10-14 03:09:59,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2024-10-14 03:09:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 03:09:59,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:59,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:09:59,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:09:59,257 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:59,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:59,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1345192614, now seen corresponding path program 1 times [2024-10-14 03:09:59,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:59,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117787589] [2024-10-14 03:09:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:59,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:59,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117787589] [2024-10-14 03:09:59,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117787589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:59,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:59,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:09:59,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371254691] [2024-10-14 03:09:59,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:59,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:09:59,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:59,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:09:59,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:09:59,353 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:59,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:59,428 INFO L93 Difference]: Finished difference Result 158 states and 219 transitions. [2024-10-14 03:09:59,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:09:59,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-14 03:09:59,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:59,433 INFO L225 Difference]: With dead ends: 158 [2024-10-14 03:09:59,433 INFO L226 Difference]: Without dead ends: 106 [2024-10-14 03:09:59,434 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 [2024-10-14 03:09:59,435 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 68 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:59,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 128 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:09:59,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-14 03:09:59,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2024-10-14 03:09:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 87 states have internal predecessors, (107), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 11 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 03:09:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2024-10-14 03:09:59,469 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 16 [2024-10-14 03:09:59,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:59,471 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2024-10-14 03:09:59,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2024-10-14 03:09:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 03:09:59,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:59,473 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:09:59,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:09:59,474 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:59,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash 641976053, now seen corresponding path program 1 times [2024-10-14 03:09:59,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:59,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845496909] [2024-10-14 03:09:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:59,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:59,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845496909] [2024-10-14 03:09:59,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845496909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:59,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:59,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:09:59,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141759960] [2024-10-14 03:09:59,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:59,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:09:59,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:59,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:09:59,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:09:59,600 INFO L87 Difference]: Start difference. First operand 103 states and 143 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:09:59,728 INFO L93 Difference]: Finished difference Result 270 states and 385 transitions. [2024-10-14 03:09:59,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:09:59,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-10-14 03:09:59,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:09:59,732 INFO L225 Difference]: With dead ends: 270 [2024-10-14 03:09:59,732 INFO L226 Difference]: Without dead ends: 169 [2024-10-14 03:09:59,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:09:59,734 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 41 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:09:59,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 165 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:09:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-14 03:09:59,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 168. [2024-10-14 03:09:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 121 states have (on average 1.4132231404958677) internal successors, (171), 136 states have internal predecessors, (171), 24 states have call successors, (24), 22 states have call predecessors, (24), 22 states have return successors, (32), 21 states have call predecessors, (32), 24 states have call successors, (32) [2024-10-14 03:09:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 227 transitions. [2024-10-14 03:09:59,777 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 227 transitions. Word has length 19 [2024-10-14 03:09:59,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:09:59,779 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 227 transitions. [2024-10-14 03:09:59,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:09:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 227 transitions. [2024-10-14 03:09:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 03:09:59,780 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:09:59,781 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] [2024-10-14 03:09:59,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:09:59,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:09:59,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:09:59,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1004226770, now seen corresponding path program 1 times [2024-10-14 03:09:59,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:09:59,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833780605] [2024-10-14 03:09:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:09:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:09:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:59,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 03:09:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:09:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:09:59,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:09:59,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833780605] [2024-10-14 03:09:59,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833780605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:09:59,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:09:59,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 03:09:59,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769279376] [2024-10-14 03:09:59,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:09:59,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:09:59,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:09:59,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:09:59,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:09:59,906 INFO L87 Difference]: Start difference. First operand 168 states and 227 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-14 03:10:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:00,096 INFO L93 Difference]: Finished difference Result 368 states and 501 transitions. [2024-10-14 03:10:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:10:00,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 28 [2024-10-14 03:10:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:00,099 INFO L225 Difference]: With dead ends: 368 [2024-10-14 03:10:00,099 INFO L226 Difference]: Without dead ends: 202 [2024-10-14 03:10:00,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:10:00,106 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 39 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:00,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 160 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:10:00,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-14 03:10:00,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 200. [2024-10-14 03:10:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 147 states have (on average 1.380952380952381) internal successors, (203), 162 states have internal predecessors, (203), 24 states have call successors, (24), 22 states have call predecessors, (24), 28 states have return successors, (38), 25 states have call predecessors, (38), 24 states have call successors, (38) [2024-10-14 03:10:00,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 265 transitions. [2024-10-14 03:10:00,135 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 265 transitions. Word has length 28 [2024-10-14 03:10:00,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:00,136 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 265 transitions. [2024-10-14 03:10:00,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-14 03:10:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 265 transitions. [2024-10-14 03:10:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 03:10:00,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:00,137 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] [2024-10-14 03:10:00,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 03:10:00,138 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:00,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:00,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1397253780, now seen corresponding path program 1 times [2024-10-14 03:10:00,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:00,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174348440] [2024-10-14 03:10:00,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:00,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 03:10:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:10:00,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:00,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174348440] [2024-10-14 03:10:00,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174348440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:00,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:00,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:10:00,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676359939] [2024-10-14 03:10:00,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:00,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 03:10:00,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:00,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 03:10:00,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 03:10:00,258 INFO L87 Difference]: Start difference. First operand 200 states and 265 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-10-14 03:10:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:00,515 INFO L93 Difference]: Finished difference Result 410 states and 555 transitions. [2024-10-14 03:10:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:10:00,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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 28 [2024-10-14 03:10:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:00,517 INFO L225 Difference]: With dead ends: 410 [2024-10-14 03:10:00,521 INFO L226 Difference]: Without dead ends: 212 [2024-10-14 03:10:00,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 03:10:00,523 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 131 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:00,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 218 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:10:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-14 03:10:00,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 204. [2024-10-14 03:10:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 151 states have (on average 1.3708609271523178) internal successors, (207), 166 states have internal predecessors, (207), 24 states have call successors, (24), 22 states have call predecessors, (24), 28 states have return successors, (38), 25 states have call predecessors, (38), 24 states have call successors, (38) [2024-10-14 03:10:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 269 transitions. [2024-10-14 03:10:00,560 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 269 transitions. Word has length 28 [2024-10-14 03:10:00,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:00,561 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 269 transitions. [2024-10-14 03:10:00,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-10-14 03:10:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 269 transitions. [2024-10-14 03:10:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 03:10:00,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:00,563 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] [2024-10-14 03:10:00,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:10:00,564 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:00,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:00,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1139088342, now seen corresponding path program 1 times [2024-10-14 03:10:00,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:00,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859774060] [2024-10-14 03:10:00,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:00,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 03:10:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:10:00,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:00,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859774060] [2024-10-14 03:10:00,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859774060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:00,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:00,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 03:10:00,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054590284] [2024-10-14 03:10:00,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:00,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:10:00,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:00,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:10:00,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:10:00,639 INFO L87 Difference]: Start difference. First operand 204 states and 269 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-14 03:10:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:00,949 INFO L93 Difference]: Finished difference Result 675 states and 970 transitions. [2024-10-14 03:10:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 03:10:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 28 [2024-10-14 03:10:00,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:00,955 INFO L225 Difference]: With dead ends: 675 [2024-10-14 03:10:00,956 INFO L226 Difference]: Without dead ends: 473 [2024-10-14 03:10:00,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:10:00,959 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 159 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:00,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 229 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:10:00,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-10-14 03:10:01,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 465. [2024-10-14 03:10:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 343 states have (on average 1.358600583090379) internal successors, (466), 372 states have internal predecessors, (466), 63 states have call successors, (63), 59 states have call predecessors, (63), 58 states have return successors, (113), 57 states have call predecessors, (113), 63 states have call successors, (113) [2024-10-14 03:10:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 642 transitions. [2024-10-14 03:10:01,013 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 642 transitions. Word has length 28 [2024-10-14 03:10:01,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:01,014 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 642 transitions. [2024-10-14 03:10:01,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-14 03:10:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 642 transitions. [2024-10-14 03:10:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 03:10:01,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:01,016 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] [2024-10-14 03:10:01,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:10:01,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:01,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:01,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1003665360, now seen corresponding path program 1 times [2024-10-14 03:10:01,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:01,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988653235] [2024-10-14 03:10:01,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:01,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:01,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 03:10:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:01,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 03:10:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:10:01,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:01,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988653235] [2024-10-14 03:10:01,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988653235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:01,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:01,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:10:01,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943441282] [2024-10-14 03:10:01,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:01,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 03:10:01,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:01,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 03:10:01,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 03:10:01,106 INFO L87 Difference]: Start difference. First operand 465 states and 642 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:01,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:01,477 INFO L93 Difference]: Finished difference Result 998 states and 1402 transitions. [2024-10-14 03:10:01,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:10:01,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-10-14 03:10:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:01,484 INFO L225 Difference]: With dead ends: 998 [2024-10-14 03:10:01,484 INFO L226 Difference]: Without dead ends: 535 [2024-10-14 03:10:01,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-14 03:10:01,488 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 140 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:01,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 217 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:10:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-10-14 03:10:01,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 533. [2024-10-14 03:10:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 393 states have (on average 1.3307888040712468) internal successors, (523), 430 states have internal predecessors, (523), 71 states have call successors, (71), 59 states have call predecessors, (71), 68 states have return successors, (143), 67 states have call predecessors, (143), 71 states have call successors, (143) [2024-10-14 03:10:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 737 transitions. [2024-10-14 03:10:01,554 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 737 transitions. Word has length 32 [2024-10-14 03:10:01,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:01,555 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 737 transitions. [2024-10-14 03:10:01,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 737 transitions. [2024-10-14 03:10:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 03:10:01,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:01,559 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:01,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:10:01,560 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:01,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:01,564 INFO L85 PathProgramCache]: Analyzing trace with hash -620869584, now seen corresponding path program 1 times [2024-10-14 03:10:01,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:01,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104092195] [2024-10-14 03:10:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:01,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:01,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 03:10:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 03:10:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:01,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:10:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:10:01,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:01,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104092195] [2024-10-14 03:10:01,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104092195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:01,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:01,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:10:01,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198137578] [2024-10-14 03:10:01,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:01,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:10:01,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:01,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:10:01,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:10:01,646 INFO L87 Difference]: Start difference. First operand 533 states and 737 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 03:10:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:01,930 INFO L93 Difference]: Finished difference Result 879 states and 1209 transitions. [2024-10-14 03:10:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:10:01,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 52 [2024-10-14 03:10:01,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:01,935 INFO L225 Difference]: With dead ends: 879 [2024-10-14 03:10:01,935 INFO L226 Difference]: Without dead ends: 348 [2024-10-14 03:10:01,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:10:01,937 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 156 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:01,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 187 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:10:01,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-14 03:10:01,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 340. [2024-10-14 03:10:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 252 states have (on average 1.3174603174603174) internal successors, (332), 276 states have internal predecessors, (332), 45 states have call successors, (45), 39 states have call predecessors, (45), 42 states have return successors, (81), 43 states have call predecessors, (81), 45 states have call successors, (81) [2024-10-14 03:10:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 458 transitions. [2024-10-14 03:10:01,969 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 458 transitions. Word has length 52 [2024-10-14 03:10:01,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:01,969 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 458 transitions. [2024-10-14 03:10:01,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 03:10:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 458 transitions. [2024-10-14 03:10:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 03:10:01,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:01,971 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:01,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:10:01,972 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:01,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -182692060, now seen corresponding path program 1 times [2024-10-14 03:10:01,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810119411] [2024-10-14 03:10:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:01,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:02,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 03:10:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:02,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 03:10:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:10:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:02,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 03:10:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:02,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:10:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:02,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:02,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810119411] [2024-10-14 03:10:02,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810119411] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:10:02,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107608969] [2024-10-14 03:10:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:02,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:10:02,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:10:02,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:10:02,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 03:10:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:02,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 03:10:02,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:10:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:10:02,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:10:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:02,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107608969] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:10:02,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:10:02,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2024-10-14 03:10:02,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160748519] [2024-10-14 03:10:02,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:10:02,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:10:02,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:02,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:10:02,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:10:02,418 INFO L87 Difference]: Start difference. First operand 340 states and 458 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 03:10:02,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:02,935 INFO L93 Difference]: Finished difference Result 896 states and 1246 transitions. [2024-10-14 03:10:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 03:10:02,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2024-10-14 03:10:02,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:02,940 INFO L225 Difference]: With dead ends: 896 [2024-10-14 03:10:02,940 INFO L226 Difference]: Without dead ends: 558 [2024-10-14 03:10:02,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 127 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2024-10-14 03:10:02,942 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 177 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:02,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 275 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 03:10:02,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-10-14 03:10:02,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 500. [2024-10-14 03:10:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 370 states have (on average 1.308108108108108) internal successors, (484), 404 states have internal predecessors, (484), 68 states have call successors, (68), 60 states have call predecessors, (68), 61 states have return successors, (123), 60 states have call predecessors, (123), 68 states have call successors, (123) [2024-10-14 03:10:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 675 transitions. [2024-10-14 03:10:02,980 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 675 transitions. Word has length 59 [2024-10-14 03:10:02,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:02,982 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 675 transitions. [2024-10-14 03:10:02,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 03:10:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 675 transitions. [2024-10-14 03:10:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:10:02,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:02,985 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:03,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 03:10:03,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 03:10:03,187 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:03,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:03,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1906457776, now seen corresponding path program 2 times [2024-10-14 03:10:03,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:03,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765358238] [2024-10-14 03:10:03,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:03,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 03:10:03,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 03:10:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 03:10:03,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 03:10:03,244 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 03:10:03,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 03:10:03,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 03:10:03,248 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:03,302 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 03:10:03,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:10:03 BoogieIcfgContainer [2024-10-14 03:10:03,308 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 03:10:03,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 03:10:03,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 03:10:03,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 03:10:03,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:09:58" (3/4) ... [2024-10-14 03:10:03,310 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-14 03:10:03,405 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 03:10:03,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 03:10:03,406 INFO L158 Benchmark]: Toolchain (without parser) took 6024.76ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 130.3MB in the beginning and 98.9MB in the end (delta: 31.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-14 03:10:03,406 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 03:10:03,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.96ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 109.3MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 03:10:03,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.31ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:10:03,407 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 165.7MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:10:03,407 INFO L158 Benchmark]: RCFGBuilder took 598.03ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 122.1MB in the end (delta: -18.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 03:10:03,408 INFO L158 Benchmark]: TraceAbstraction took 4737.51ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 121.1MB in the beginning and 106.2MB in the end (delta: 14.9MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-10-14 03:10:03,408 INFO L158 Benchmark]: Witness Printer took 97.00ms. Allocated memory is still 199.2MB. Free memory was 106.2MB in the beginning and 98.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 03:10:03,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.96ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 109.3MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.31ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 165.7MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.03ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 122.1MB in the end (delta: -18.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4737.51ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 121.1MB in the beginning and 106.2MB in the end (delta: 14.9MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 97.00ms. Allocated memory is still 199.2MB. Free memory was 106.2MB in the beginning and 98.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: 334]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [334] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [343] - GenericResultAtLocation [Line: 442]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [442] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [537] - GenericResultAtLocation [Line: 903]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [903] - GenericResultAtLocation [Line: 929]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [929] * 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: 339]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L133] int pumpRunning = 0; [L134] int systemActive = 1; [L344] int cleanupTimeShifts = 4; [L444] int waterLevel = 1; [L445] int methaneLevelCritical = 0; [L707] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L420] int retValue_acc ; [L421] int tmp ; [L425] FCALL select_helpers() [L426] FCALL select_features() [L427] CALL, EXPR valid_product() [L956] int retValue_acc ; [L959] retValue_acc = 1 [L960] return (retValue_acc); [L427] RET, EXPR valid_product() [L427] tmp = valid_product() [L429] COND TRUE \read(tmp) [L431] FCALL setup() [L432] CALL runTest() [L411] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L66] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L78] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] COND TRUE waterLevel < 2 [L463] 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 TRUE \read(tmp___2) [L98] CALL startSystem() [L330] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L141] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L196] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L214] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L173] COND TRUE ! pumpRunning [L175] CALL, EXPR isHighWaterLevel() [L293] int retValue_acc ; [L294] int tmp ; [L295] int tmp___0 ; [L299] CALL, EXPR isHighWaterSensorDry() [L524] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L527] COND FALSE !(waterLevel < 2) [L531] retValue_acc = 0 [L532] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] RET, EXPR isHighWaterSensorDry() [L299] tmp = isHighWaterSensorDry() [L301] COND FALSE !(\read(tmp)) [L304] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L306] retValue_acc = tmp___0 [L307] return (retValue_acc); [L175] RET, EXPR isHighWaterLevel() [L175] tmp = isHighWaterLevel() [L177] COND TRUE \read(tmp) [L179] CALL activatePump() [L224] pumpRunning = 1 [L179] RET activatePump() [L214] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L905] int tmp ; [L906] int tmp___0 ; [L910] CALL, EXPR getWaterLevel() [L515] int retValue_acc ; [L518] retValue_acc = waterLevel [L519] return (retValue_acc); [L910] RET, EXPR getWaterLevel() [L910] tmp = getWaterLevel() [L912] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L156] RET __utac_acc__Specification4_spec__1() [L113] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L66] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, 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=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L330] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L141] COND TRUE \read(pumpRunning) [L143] CALL lowerWaterLevel() [L450] COND TRUE waterLevel > 0 [L451] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L143] RET lowerWaterLevel() [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L196] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L199] COND TRUE \read(pumpRunning) [L201] CALL, EXPR isMethaneAlarm() [L237] int retValue_acc ; [L241] CALL, EXPR isMethaneLevelCritical() [L483] int retValue_acc ; [L486] retValue_acc = methaneLevelCritical [L487] return (retValue_acc); [L241] RET, EXPR isMethaneLevelCritical() [L241] retValue_acc = isMethaneLevelCritical() [L243] return (retValue_acc); [L201] RET, EXPR isMethaneAlarm() [L201] tmp = isMethaneAlarm() [L203] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L209] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L173] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L188] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L209] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L905] int tmp ; [L906] int tmp___0 ; [L910] CALL, EXPR getWaterLevel() [L515] int retValue_acc ; [L518] retValue_acc = waterLevel [L519] return (retValue_acc); [L910] RET, EXPR getWaterLevel() [L910] tmp = getWaterLevel() [L912] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L156] RET __utac_acc__Specification4_spec__1() [L113] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L66] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L330] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L141] COND TRUE \read(pumpRunning) [L143] CALL lowerWaterLevel() [L450] COND TRUE waterLevel > 0 [L451] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L143] RET lowerWaterLevel() [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L196] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L199] COND TRUE \read(pumpRunning) [L201] CALL, EXPR isMethaneAlarm() [L237] int retValue_acc ; [L241] CALL, EXPR isMethaneLevelCritical() [L483] int retValue_acc ; [L486] retValue_acc = methaneLevelCritical [L487] return (retValue_acc); [L241] RET, EXPR isMethaneLevelCritical() [L241] retValue_acc = isMethaneLevelCritical() [L243] return (retValue_acc); [L201] RET, EXPR isMethaneAlarm() [L201] tmp = isMethaneAlarm() [L203] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L209] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L173] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L188] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L209] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L905] int tmp ; [L906] int tmp___0 ; [L910] CALL, EXPR getWaterLevel() [L515] int retValue_acc ; [L518] retValue_acc = waterLevel [L519] return (retValue_acc); [L910] RET, EXPR getWaterLevel() [L910] tmp = getWaterLevel() [L912] COND TRUE tmp == 0 [L914] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L914] RET, EXPR isPumpRunning() [L914] tmp___0 = isPumpRunning() [L916] COND TRUE \read(tmp___0) [L918] CALL __automaton_fail() [L339] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 954 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 925 mSDsluCounter, 1763 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1115 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1535 IncrementalHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 648 mSDtfsCounter, 1535 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 165 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=533occurred in iteration=8, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 90 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 750 SizeOfPredicates, 2 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 51/67 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! [2024-10-14 03:10:03,456 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