/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:13:15,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:13:15,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 01:13:15,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:13:15,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:13:15,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:13:15,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:13:15,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:13:15,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:13:15,929 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:13:15,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:13:15,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:13:15,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:13:15,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:13:15,932 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:13:15,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:13:15,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:13:15,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:13:15,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:13:15,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:13:15,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:13:15,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:13:15,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:13:15,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:13:15,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:13:15,934 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:13:15,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:13:15,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:13:15,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:13:15,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:13:15,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:13:15,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:13:15,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:13:15,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:13:15,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:13:15,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:13:15,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:13:16,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:13:16,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:13:16,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:13:16,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:13:16,187 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:13:16,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2023-12-16 01:13:17,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:13:17,896 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:13:17,912 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2023-12-16 01:13:17,955 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458246d32/2bd3c4e5b733498d9e46517e05e313b3/FLAG8f555ce86 [2023-12-16 01:13:17,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458246d32/2bd3c4e5b733498d9e46517e05e313b3 [2023-12-16 01:13:17,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:13:17,989 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:13:17,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:13:17,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:13:17,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:13:18,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:13:17" (1/1) ... [2023-12-16 01:13:18,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3148cb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:18, skipping insertion in model container [2023-12-16 01:13:18,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:13:17" (1/1) ... [2023-12-16 01:13:18,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:13:18,623 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c[62209,62222] [2023-12-16 01:13:18,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:13:18,878 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:13:18,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [16] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [17] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [175] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [181] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [402] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [455] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [474] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [475] [2023-12-16 01:13:18,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1148] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1321] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1417] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1418] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1421] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1422] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1423] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1424] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1425] [2023-12-16 01:13:18,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1426] [2023-12-16 01:13:18,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1433] [2023-12-16 01:13:18,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1434] [2023-12-16 01:13:18,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1435] [2023-12-16 01:13:18,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1436] [2023-12-16 01:13:18,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1437] [2023-12-16 01:13:18,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1441] [2023-12-16 01:13:18,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1442] [2023-12-16 01:13:18,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1464] [2023-12-16 01:13:18,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1465] [2023-12-16 01:13:18,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1466] [2023-12-16 01:13:18,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1473] [2023-12-16 01:13:18,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1474] [2023-12-16 01:13:18,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [1475] [2023-12-16 01:13:18,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [1476] [2023-12-16 01:13:18,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [1477] [2023-12-16 01:13:18,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1478] [2023-12-16 01:13:18,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1479] [2023-12-16 01:13:18,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1480] [2023-12-16 01:13:18,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1481] [2023-12-16 01:13:18,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1482] [2023-12-16 01:13:18,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1535] [2023-12-16 01:13:18,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1536] [2023-12-16 01:13:18,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1600] [2023-12-16 01:13:18,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [1601] [2023-12-16 01:13:18,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [1642] [2023-12-16 01:13:18,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_AddDevice) [1643] [2023-12-16 01:13:18,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_CreateClose) [1644] [2023-12-16 01:13:18,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_IoCtl) [1645] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_InternIoCtl) [1646] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_Unload) [1647] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_DispatchPassThrough) [1648] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_PnP) [1649] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_Power) [1650] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2349] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2350] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2351] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2352] [2023-12-16 01:13:18,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2353] [2023-12-16 01:13:18,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2354] [2023-12-16 01:13:18,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2355] [2023-12-16 01:13:18,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2356] [2023-12-16 01:13:18,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2357] [2023-12-16 01:13:18,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [2358] [2023-12-16 01:13:18,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [2359] [2023-12-16 01:13:18,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [2360] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [2361] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [2362] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2363] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2364] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2365] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2366] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2367] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2368] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2369] [2023-12-16 01:13:18,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [2370] [2023-12-16 01:13:18,971 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c[62209,62222] [2023-12-16 01:13:19,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:13:19,183 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:13:19,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19 WrapperNode [2023-12-16 01:13:19,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:13:19,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:13:19,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:13:19,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:13:19,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,346 INFO L138 Inliner]: procedures = 109, calls = 328, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 1200 [2023-12-16 01:13:19,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:13:19,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:13:19,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:13:19,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:13:19,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,465 INFO L175 MemorySlicer]: Split 203 memory accesses to 7 slices as follows [2, 37, 79, 3, 9, 8, 65]. 39 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 92 writes are split as follows [0, 18, 28, 2, 8, 1, 35]. [2023-12-16 01:13:19,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:13:19,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:13:19,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:13:19,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:13:19,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (1/1) ... [2023-12-16 01:13:19,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:13:19,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:13:19,641 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) [2023-12-16 01:13:19,643 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 [2023-12-16 01:13:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2023-12-16 01:13:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2023-12-16 01:13:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-12-16 01:13:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-12-16 01:13:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-12-16 01:13:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-12-16 01:13:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-12-16 01:13:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-12-16 01:13:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-12-16 01:13:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-16 01:13:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-12-16 01:13:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-12-16 01:13:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:13:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-12-16 01:13:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-12-16 01:13:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2023-12-16 01:13:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:13:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 01:13:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 01:13:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 01:13:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-16 01:13:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-16 01:13:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-16 01:13:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-12-16 01:13:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-12-16 01:13:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-12-16 01:13:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-12-16 01:13:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-12-16 01:13:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-12-16 01:13:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-12-16 01:13:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:13:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:13:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2023-12-16 01:13:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2023-12-16 01:13:20,063 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:13:20,065 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 01:13:20,252 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:20,272 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2023-12-16 01:13:20,272 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2023-12-16 01:13:20,274 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:20,274 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:20,276 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:20,278 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:20,280 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:20,283 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:20,284 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-16 01:13:21,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume false; [2023-12-16 01:13:21,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume !false; [2023-12-16 01:13:21,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2023-12-16 01:13:21,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2023-12-16 01:13:21,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume false; [2023-12-16 01:13:21,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume !false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume !false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !false; [2023-12-16 01:13:21,519 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume false; [2023-12-16 01:13:21,588 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 01:13:21,679 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 01:13:21,679 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 01:13:21,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:13:21 BoogieIcfgContainer [2023-12-16 01:13:21,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 01:13:21,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 01:13:21,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 01:13:21,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 01:13:21,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:13:17" (1/3) ... [2023-12-16 01:13:21,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd48105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:13:21, skipping insertion in model container [2023-12-16 01:13:21,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:13:19" (2/3) ... [2023-12-16 01:13:21,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd48105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:13:21, skipping insertion in model container [2023-12-16 01:13:21,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:13:21" (3/3) ... [2023-12-16 01:13:21,685 INFO L112 eAbstractionObserver]: Analyzing ICFG kbfiltr.i.cil-2.c [2023-12-16 01:13:21,698 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 01:13:21,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 01:13:21,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 01:13:21,749 INFO L357 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, mHoare=true, 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;@3686375a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 01:13:21,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 01:13:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 160 states have (on average 1.71875) internal successors, (275), 178 states have internal predecessors, (275), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-16 01:13:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-16 01:13:21,760 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:21,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:13:21,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:13:21,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash 482960144, now seen corresponding path program 1 times [2023-12-16 01:13:21,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:21,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782508310] [2023-12-16 01:13:21,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:13:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:13:22,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:13:22,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782508310] [2023-12-16 01:13:22,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782508310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:13:22,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:13:22,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:13:22,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936528585] [2023-12-16 01:13:22,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:13:22,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 01:13:22,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:13:22,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 01:13:22,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:13:22,172 INFO L87 Difference]: Start difference. First operand has 198 states, 160 states have (on average 1.71875) internal successors, (275), 178 states have internal predecessors, (275), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-12-16 01:13:25,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:25,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:13:25,466 INFO L93 Difference]: Finished difference Result 393 states and 676 transitions. [2023-12-16 01:13:25,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 01:13:25,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 13 [2023-12-16 01:13:25,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:13:25,479 INFO L225 Difference]: With dead ends: 393 [2023-12-16 01:13:25,479 INFO L226 Difference]: Without dead ends: 193 [2023-12-16 01:13:25,485 INFO L412 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 [2023-12-16 01:13:25,487 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-16 01:13:25,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-16 01:13:25,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-12-16 01:13:25,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2023-12-16 01:13:25,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 157 states have (on average 1.6369426751592357) internal successors, (257), 173 states have internal predecessors, (257), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-16 01:13:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 301 transitions. [2023-12-16 01:13:25,544 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 301 transitions. Word has length 13 [2023-12-16 01:13:25,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:13:25,544 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 301 transitions. [2023-12-16 01:13:25,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-12-16 01:13:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 301 transitions. [2023-12-16 01:13:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-16 01:13:25,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:25,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:13:25,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 01:13:25,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:13:25,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:25,546 INFO L85 PathProgramCache]: Analyzing trace with hash 741125582, now seen corresponding path program 1 times [2023-12-16 01:13:25,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:25,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863952817] [2023-12-16 01:13:25,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:25,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:13:25,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:13:25,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:13:25,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863952817] [2023-12-16 01:13:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863952817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:13:25,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:13:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:13:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374420174] [2023-12-16 01:13:25,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:13:25,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:13:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:13:25,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:13:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:13:25,880 INFO L87 Difference]: Start difference. First operand 193 states and 301 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-12-16 01:13:29,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:33,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:13:34,033 INFO L93 Difference]: Finished difference Result 210 states and 322 transitions. [2023-12-16 01:13:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:13:34,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2023-12-16 01:13:34,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:13:34,034 INFO L225 Difference]: With dead ends: 210 [2023-12-16 01:13:34,034 INFO L226 Difference]: Without dead ends: 193 [2023-12-16 01:13:34,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:13:34,035 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 14 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-12-16 01:13:34,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 514 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2023-12-16 01:13:34,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-12-16 01:13:34,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2023-12-16 01:13:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 157 states have (on average 1.6305732484076434) internal successors, (256), 173 states have internal predecessors, (256), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-16 01:13:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 300 transitions. [2023-12-16 01:13:34,044 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 300 transitions. Word has length 13 [2023-12-16 01:13:34,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:13:34,044 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 300 transitions. [2023-12-16 01:13:34,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-12-16 01:13:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-12-16 01:13:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-16 01:13:34,045 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:34,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:13:34,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 01:13:34,045 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:13:34,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:34,046 INFO L85 PathProgramCache]: Analyzing trace with hash -254779929, now seen corresponding path program 1 times [2023-12-16 01:13:34,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:34,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263917184] [2023-12-16 01:13:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:34,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:13:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:13:34,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:13:34,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263917184] [2023-12-16 01:13:34,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263917184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:13:34,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:13:34,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 01:13:34,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559874271] [2023-12-16 01:13:34,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:13:34,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:13:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:13:34,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:13:34,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:13:34,273 INFO L87 Difference]: Start difference. First operand 193 states and 300 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2023-12-16 01:13:38,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:42,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:45,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:46,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:13:46,073 INFO L93 Difference]: Finished difference Result 513 states and 814 transitions. [2023-12-16 01:13:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 01:13:46,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 20 [2023-12-16 01:13:46,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:13:46,075 INFO L225 Difference]: With dead ends: 513 [2023-12-16 01:13:46,075 INFO L226 Difference]: Without dead ends: 332 [2023-12-16 01:13:46,076 INFO L412 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 [2023-12-16 01:13:46,077 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 206 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:13:46,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1161 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2023-12-16 01:13:46,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-16 01:13:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 195. [2023-12-16 01:13:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 159 states have (on average 1.6226415094339623) internal successors, (258), 175 states have internal predecessors, (258), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-16 01:13:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 302 transitions. [2023-12-16 01:13:46,089 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 302 transitions. Word has length 20 [2023-12-16 01:13:46,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:13:46,089 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 302 transitions. [2023-12-16 01:13:46,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2023-12-16 01:13:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 302 transitions. [2023-12-16 01:13:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-16 01:13:46,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:46,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:13:46,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 01:13:46,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:13:46,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash -4281633, now seen corresponding path program 1 times [2023-12-16 01:13:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:46,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674597226] [2023-12-16 01:13:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:46,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:13:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:13:46,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:13:46,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674597226] [2023-12-16 01:13:46,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674597226] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:13:46,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:13:46,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:13:46,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350719713] [2023-12-16 01:13:46,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:13:46,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:13:46,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:13:46,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:13:46,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:13:46,245 INFO L87 Difference]: Start difference. First operand 195 states and 302 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-12-16 01:13:48,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:52,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:52,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:13:52,529 INFO L93 Difference]: Finished difference Result 299 states and 451 transitions. [2023-12-16 01:13:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:13:52,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 20 [2023-12-16 01:13:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:13:52,530 INFO L225 Difference]: With dead ends: 299 [2023-12-16 01:13:52,530 INFO L226 Difference]: Without dead ends: 248 [2023-12-16 01:13:52,531 INFO L412 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 [2023-12-16 01:13:52,531 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 216 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:13:52,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 350 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2023-12-16 01:13:52,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-12-16 01:13:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 232. [2023-12-16 01:13:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 195 states have (on average 1.5435897435897437) internal successors, (301), 198 states have internal predecessors, (301), 26 states have call successors, (26), 11 states have call predecessors, (26), 10 states have return successors, (27), 25 states have call predecessors, (27), 18 states have call successors, (27) [2023-12-16 01:13:52,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 354 transitions. [2023-12-16 01:13:52,550 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 354 transitions. Word has length 20 [2023-12-16 01:13:52,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:13:52,551 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 354 transitions. [2023-12-16 01:13:52,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-12-16 01:13:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 354 transitions. [2023-12-16 01:13:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-16 01:13:52,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:52,555 INFO L195 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] [2023-12-16 01:13:52,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 01:13:52,555 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:13:52,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:52,555 INFO L85 PathProgramCache]: Analyzing trace with hash -499707019, now seen corresponding path program 1 times [2023-12-16 01:13:52,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:52,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957828531] [2023-12-16 01:13:52,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:52,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:13:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:13:52,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:13:52,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957828531] [2023-12-16 01:13:52,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957828531] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:13:52,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:13:52,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:13:52,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839488713] [2023-12-16 01:13:52,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:13:52,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:13:52,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:13:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:13:52,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:13:52,705 INFO L87 Difference]: Start difference. First operand 232 states and 354 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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) [2023-12-16 01:13:56,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:13:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:13:56,837 INFO L93 Difference]: Finished difference Result 357 states and 531 transitions. [2023-12-16 01:13:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:13:56,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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 22 [2023-12-16 01:13:56,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:13:56,838 INFO L225 Difference]: With dead ends: 357 [2023-12-16 01:13:56,838 INFO L226 Difference]: Without dead ends: 278 [2023-12-16 01:13:56,839 INFO L412 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 [2023-12-16 01:13:56,839 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 250 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-16 01:13:56,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 333 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-16 01:13:56,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-12-16 01:13:56,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 256. [2023-12-16 01:13:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 221 states have (on average 1.5429864253393666) internal successors, (341), 222 states have internal predecessors, (341), 22 states have call successors, (22), 11 states have call predecessors, (22), 12 states have return successors, (26), 23 states have call predecessors, (26), 16 states have call successors, (26) [2023-12-16 01:13:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 389 transitions. [2023-12-16 01:13:56,849 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 389 transitions. Word has length 22 [2023-12-16 01:13:56,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:13:56,849 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 389 transitions. [2023-12-16 01:13:56,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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) [2023-12-16 01:13:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 389 transitions. [2023-12-16 01:13:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-16 01:13:56,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:13:56,850 INFO L195 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] [2023-12-16 01:13:56,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 01:13:56,850 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:13:56,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:13:56,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1796743599, now seen corresponding path program 1 times [2023-12-16 01:13:56,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:13:56,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985453843] [2023-12-16 01:13:56,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:13:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:13:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:13:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:13:57,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:13:57,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985453843] [2023-12-16 01:13:57,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985453843] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:13:57,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:13:57,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:13:57,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391928646] [2023-12-16 01:13:57,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:13:57,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:13:57,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:13:57,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:13:57,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:13:57,104 INFO L87 Difference]: Start difference. First operand 256 states and 389 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-12-16 01:14:01,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:05,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:05,381 INFO L93 Difference]: Finished difference Result 280 states and 416 transitions. [2023-12-16 01:14:05,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:14:05,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 26 [2023-12-16 01:14:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:05,383 INFO L225 Difference]: With dead ends: 280 [2023-12-16 01:14:05,383 INFO L226 Difference]: Without dead ends: 272 [2023-12-16 01:14:05,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:14:05,384 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 467 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 38 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:05,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 282 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 159 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2023-12-16 01:14:05,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-12-16 01:14:05,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 261. [2023-12-16 01:14:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 226 states have (on average 1.5353982300884956) internal successors, (347), 227 states have internal predecessors, (347), 22 states have call successors, (22), 11 states have call predecessors, (22), 12 states have return successors, (26), 23 states have call predecessors, (26), 16 states have call successors, (26) [2023-12-16 01:14:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 395 transitions. [2023-12-16 01:14:05,395 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 395 transitions. Word has length 26 [2023-12-16 01:14:05,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:05,395 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 395 transitions. [2023-12-16 01:14:05,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-12-16 01:14:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 395 transitions. [2023-12-16 01:14:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 01:14:05,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:05,398 INFO L195 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] [2023-12-16 01:14:05,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 01:14:05,398 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:05,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:05,398 INFO L85 PathProgramCache]: Analyzing trace with hash -542947913, now seen corresponding path program 1 times [2023-12-16 01:14:05,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:05,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128764999] [2023-12-16 01:14:05,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:05,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:05,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:05,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128764999] [2023-12-16 01:14:05,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128764999] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:05,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:05,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:14:05,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983134452] [2023-12-16 01:14:05,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:05,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:14:05,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:05,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:14:05,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:14:05,644 INFO L87 Difference]: Start difference. First operand 261 states and 395 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-12-16 01:14:09,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:13,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:13,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:13,462 INFO L93 Difference]: Finished difference Result 280 states and 415 transitions. [2023-12-16 01:14:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:14:13,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 27 [2023-12-16 01:14:13,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:13,464 INFO L225 Difference]: With dead ends: 280 [2023-12-16 01:14:13,464 INFO L226 Difference]: Without dead ends: 272 [2023-12-16 01:14:13,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:14:13,465 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 463 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:13,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 286 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2023-12-16 01:14:13,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-12-16 01:14:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2023-12-16 01:14:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 227 states have (on average 1.5330396475770924) internal successors, (348), 228 states have internal predecessors, (348), 22 states have call successors, (22), 11 states have call predecessors, (22), 12 states have return successors, (26), 23 states have call predecessors, (26), 16 states have call successors, (26) [2023-12-16 01:14:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 396 transitions. [2023-12-16 01:14:13,476 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 396 transitions. Word has length 27 [2023-12-16 01:14:13,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:13,476 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 396 transitions. [2023-12-16 01:14:13,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-12-16 01:14:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 396 transitions. [2023-12-16 01:14:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 01:14:13,478 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:13,478 INFO L195 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] [2023-12-16 01:14:13,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 01:14:13,478 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:13,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:13,478 INFO L85 PathProgramCache]: Analyzing trace with hash -668660335, now seen corresponding path program 1 times [2023-12-16 01:14:13,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:13,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935428034] [2023-12-16 01:14:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:13,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:13,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:13,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935428034] [2023-12-16 01:14:13,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935428034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:13,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:13,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:14:13,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227777504] [2023-12-16 01:14:13,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:13,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:14:13,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:13,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:14:13,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:14:13,599 INFO L87 Difference]: Start difference. First operand 262 states and 396 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-12-16 01:14:17,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:21,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:21,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:21,287 INFO L93 Difference]: Finished difference Result 265 states and 398 transitions. [2023-12-16 01:14:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:14:21,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 27 [2023-12-16 01:14:21,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:21,288 INFO L225 Difference]: With dead ends: 265 [2023-12-16 01:14:21,289 INFO L226 Difference]: Without dead ends: 261 [2023-12-16 01:14:21,289 INFO L412 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 [2023-12-16 01:14:21,289 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 21 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:21,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 415 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2023-12-16 01:14:21,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-12-16 01:14:21,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2023-12-16 01:14:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 227 states have (on average 1.524229074889868) internal successors, (346), 227 states have internal predecessors, (346), 21 states have call successors, (21), 11 states have call predecessors, (21), 12 states have return successors, (26), 23 states have call predecessors, (26), 16 states have call successors, (26) [2023-12-16 01:14:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 393 transitions. [2023-12-16 01:14:21,325 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 393 transitions. Word has length 27 [2023-12-16 01:14:21,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:21,326 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 393 transitions. [2023-12-16 01:14:21,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-12-16 01:14:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 393 transitions. [2023-12-16 01:14:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-16 01:14:21,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:21,328 INFO L195 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] [2023-12-16 01:14:21,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 01:14:21,328 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:21,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:21,329 INFO L85 PathProgramCache]: Analyzing trace with hash 110063590, now seen corresponding path program 1 times [2023-12-16 01:14:21,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:21,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054595720] [2023-12-16 01:14:21,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:21,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:21,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:21,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054595720] [2023-12-16 01:14:21,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054595720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:21,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:21,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:14:21,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833125156] [2023-12-16 01:14:21,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:21,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:14:21,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:21,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:14:21,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:14:21,557 INFO L87 Difference]: Start difference. First operand 261 states and 393 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-12-16 01:14:25,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:29,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:29,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:29,821 INFO L93 Difference]: Finished difference Result 273 states and 404 transitions. [2023-12-16 01:14:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:14:29,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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 28 [2023-12-16 01:14:29,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:29,823 INFO L225 Difference]: With dead ends: 273 [2023-12-16 01:14:29,823 INFO L226 Difference]: Without dead ends: 238 [2023-12-16 01:14:29,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:14:29,824 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 448 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 34 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:29,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 285 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 153 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2023-12-16 01:14:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-16 01:14:29,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2023-12-16 01:14:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 204 states have (on average 1.5490196078431373) internal successors, (316), 209 states have internal predecessors, (316), 21 states have call successors, (21), 11 states have call predecessors, (21), 9 states have return successors, (18), 15 states have call predecessors, (18), 16 states have call successors, (18) [2023-12-16 01:14:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 355 transitions. [2023-12-16 01:14:29,833 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 355 transitions. Word has length 28 [2023-12-16 01:14:29,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:29,833 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 355 transitions. [2023-12-16 01:14:29,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-12-16 01:14:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 355 transitions. [2023-12-16 01:14:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-16 01:14:29,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:29,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:14:29,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 01:14:29,834 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:29,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:29,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1788563969, now seen corresponding path program 1 times [2023-12-16 01:14:29,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:29,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899127017] [2023-12-16 01:14:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:30,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899127017] [2023-12-16 01:14:30,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899127017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:30,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:30,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:14:30,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435779090] [2023-12-16 01:14:30,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:30,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:14:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:30,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:14:30,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:14:30,057 INFO L87 Difference]: Start difference. First operand 235 states and 355 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-12-16 01:14:32,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-16 01:14:32,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:14:32,525 INFO L93 Difference]: Finished difference Result 283 states and 416 transitions. [2023-12-16 01:14:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:14:32,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 34 [2023-12-16 01:14:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:14:32,526 INFO L225 Difference]: With dead ends: 283 [2023-12-16 01:14:32,526 INFO L226 Difference]: Without dead ends: 250 [2023-12-16 01:14:32,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:14:32,527 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 287 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:32,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 371 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-16 01:14:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-12-16 01:14:32,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 235. [2023-12-16 01:14:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 204 states have (on average 1.5392156862745099) internal successors, (314), 209 states have internal predecessors, (314), 21 states have call successors, (21), 11 states have call predecessors, (21), 9 states have return successors, (18), 15 states have call predecessors, (18), 16 states have call successors, (18) [2023-12-16 01:14:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 353 transitions. [2023-12-16 01:14:32,535 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 353 transitions. Word has length 34 [2023-12-16 01:14:32,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:14:32,535 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 353 transitions. [2023-12-16 01:14:32,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-12-16 01:14:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 353 transitions. [2023-12-16 01:14:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-16 01:14:32,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:14:32,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:14:32,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 01:14:32,540 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:14:32,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:14:32,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1519993122, now seen corresponding path program 1 times [2023-12-16 01:14:32,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:14:32,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193293969] [2023-12-16 01:14:32,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:14:32,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:14:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 01:14:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:14:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:14:32,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:14:32,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193293969] [2023-12-16 01:14:32,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193293969] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:14:32,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:14:32,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 01:14:32,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049458801] [2023-12-16 01:14:32,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:14:32,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 01:14:32,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:14:32,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 01:14:32,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:14:32,720 INFO L87 Difference]: Start difference. First operand 235 states and 353 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) Received shutdown request... [2023-12-16 01:14:34,169 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 01:14:35,370 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 01:14:35,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-16 01:14:35,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:14:35,377 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:14:35,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 01:14:35,378 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 01:14:35,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 01:14:35,379 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-16 01:14:35,381 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:14:35,382 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 01:14:35,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:14:35 BoogieIcfgContainer [2023-12-16 01:14:35,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 01:14:35,384 INFO L158 Benchmark]: Toolchain (without parser) took 77395.15ms. Allocated memory was 264.2MB in the beginning and 361.8MB in the end (delta: 97.5MB). Free memory was 207.5MB in the beginning and 125.6MB in the end (delta: 81.8MB). Peak memory consumption was 180.2MB. Max. memory is 8.0GB. [2023-12-16 01:14:35,384 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:14:35,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.74ms. Allocated memory is still 264.2MB. Free memory was 207.2MB in the beginning and 198.1MB in the end (delta: 9.0MB). Peak memory consumption was 45.6MB. Max. memory is 8.0GB. [2023-12-16 01:14:35,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.40ms. Allocated memory is still 264.2MB. Free memory was 198.1MB in the beginning and 190.4MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 01:14:35,392 INFO L158 Benchmark]: Boogie Preprocessor took 238.66ms. Allocated memory is still 264.2MB. Free memory was 190.4MB in the beginning and 174.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 01:14:35,392 INFO L158 Benchmark]: RCFGBuilder took 2092.84ms. Allocated memory is still 264.2MB. Free memory was 174.7MB in the beginning and 195.1MB in the end (delta: -20.4MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. [2023-12-16 01:14:35,392 INFO L158 Benchmark]: TraceAbstraction took 73702.97ms. Allocated memory was 264.2MB in the beginning and 361.8MB in the end (delta: 97.5MB). Free memory was 194.6MB in the beginning and 125.6MB in the end (delta: 69.0MB). Peak memory consumption was 167.0MB. Max. memory is 8.0GB. [2023-12-16 01:14:35,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1192.74ms. Allocated memory is still 264.2MB. Free memory was 207.2MB in the beginning and 198.1MB in the end (delta: 9.0MB). Peak memory consumption was 45.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 161.40ms. Allocated memory is still 264.2MB. Free memory was 198.1MB in the beginning and 190.4MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 238.66ms. Allocated memory is still 264.2MB. Free memory was 190.4MB in the beginning and 174.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * RCFGBuilder took 2092.84ms. Allocated memory is still 264.2MB. Free memory was 174.7MB in the beginning and 195.1MB in the end (delta: -20.4MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. * TraceAbstraction took 73702.97ms. Allocated memory was 264.2MB in the beginning and 361.8MB in the end (delta: 97.5MB). Free memory was 194.6MB in the beginning and 125.6MB in the end (delta: 69.0MB). Peak memory consumption was 167.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 16]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,8) [16] - GenericResultAtLocation [Line: 17]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [17] - GenericResultAtLocation [Line: 175]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,4) [175] - GenericResultAtLocation [Line: 181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [181] - GenericResultAtLocation [Line: 402]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,4) [402] - GenericResultAtLocation [Line: 455]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [455] - GenericResultAtLocation [Line: 474]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,1) [474] - GenericResultAtLocation [Line: 475]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [475] - GenericResultAtLocation [Line: 1148]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,4) [1148] - GenericResultAtLocation [Line: 1321]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [1321] - GenericResultAtLocation [Line: 1417]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,8) [1417] - GenericResultAtLocation [Line: 1418]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [1418] - GenericResultAtLocation [Line: 1421]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,4) [1421] - GenericResultAtLocation [Line: 1422]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [1422] - GenericResultAtLocation [Line: 1423]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,4) [1423] - GenericResultAtLocation [Line: 1424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [1424] - GenericResultAtLocation [Line: 1425]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,1) [1425] - GenericResultAtLocation [Line: 1426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [1426] - GenericResultAtLocation [Line: 1433]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(push,4) [1433] - GenericResultAtLocation [Line: 1434]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma pack(pop) [1434] - GenericResultAtLocation [Line: 1435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(push) [1435] - GenericResultAtLocation [Line: 1436]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1436] - GenericResultAtLocation [Line: 1437]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(pop) [1437] - GenericResultAtLocation [Line: 1441]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1441] - GenericResultAtLocation [Line: 1442]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1442] - GenericResultAtLocation [Line: 1464]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(push) [1464] - GenericResultAtLocation [Line: 1465]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1465] - GenericResultAtLocation [Line: 1466]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(pop) [1466] - GenericResultAtLocation [Line: 1473]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1473] - GenericResultAtLocation [Line: 1474]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(push) [1474] - GenericResultAtLocation [Line: 1475]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4164) [1475] - GenericResultAtLocation [Line: 1476]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma function(_enable) [1476] - GenericResultAtLocation [Line: 1477]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma function(_disable) [1477] - GenericResultAtLocation [Line: 1478]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(pop) [1478] - GenericResultAtLocation [Line: 1479]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1479] - GenericResultAtLocation [Line: 1480]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1480] - GenericResultAtLocation [Line: 1481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1481] - GenericResultAtLocation [Line: 1482]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1482] - GenericResultAtLocation [Line: 1535]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1535] - GenericResultAtLocation [Line: 1536]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1536] - GenericResultAtLocation [Line: 1600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1600] - GenericResultAtLocation [Line: 1601]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(default:4200) [1601] - GenericResultAtLocation [Line: 1642]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [1642] - GenericResultAtLocation [Line: 1643]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_AddDevice) [1643] - GenericResultAtLocation [Line: 1644]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_CreateClose) [1644] - GenericResultAtLocation [Line: 1645]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_IoCtl) [1645] - GenericResultAtLocation [Line: 1646]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_InternIoCtl) [1646] - GenericResultAtLocation [Line: 1647]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_Unload) [1647] - GenericResultAtLocation [Line: 1648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_DispatchPassThrough) [1648] - GenericResultAtLocation [Line: 1649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_PnP) [1649] - GenericResultAtLocation [Line: 1650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,KbFilter_Power) [1650] - GenericResultAtLocation [Line: 2349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(push) [2349] - GenericResultAtLocation [Line: 2350]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2350] - GenericResultAtLocation [Line: 2351]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(pop) [2351] - GenericResultAtLocation [Line: 2352]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2352] - GenericResultAtLocation [Line: 2353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2353] - GenericResultAtLocation [Line: 2354]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(push) [2354] - GenericResultAtLocation [Line: 2355]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2355] - GenericResultAtLocation [Line: 2356]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(pop) [2356] - GenericResultAtLocation [Line: 2357]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4035) [2357] - GenericResultAtLocation [Line: 2358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(push) [2358] - GenericResultAtLocation [Line: 2359]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4164) [2359] - GenericResultAtLocation [Line: 2360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma function(_enable) [2360] - GenericResultAtLocation [Line: 2361]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma function(_disable) [2361] - GenericResultAtLocation [Line: 2362]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(pop) [2362] - GenericResultAtLocation [Line: 2363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2363] - GenericResultAtLocation [Line: 2364]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2364] - GenericResultAtLocation [Line: 2365]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2365] - GenericResultAtLocation [Line: 2366]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2366] - GenericResultAtLocation [Line: 2367]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2367] - GenericResultAtLocation [Line: 2368]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4103) [2368] - GenericResultAtLocation [Line: 2369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(disable:4200) [2369] - GenericResultAtLocation [Line: 2370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma warning(default:4200) [2370] * 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 - TimeoutResultAtElement [Line: 1656]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1656). Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 70.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 2383 SdHoareTripleChecker+Valid, 68.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2372 mSDsluCounter, 4276 SdHoareTripleChecker+Invalid, 67.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1594 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1143 IncrementalHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 2682 mSDtfsCounter, 1143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=7, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 214 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown