/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 11:56:30,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 11:56:30,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 11:56:30,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 11:56:30,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 11:56:30,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 11:56:30,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 11:56:30,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 11:56:30,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 11:56:30,126 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 11:56:30,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 11:56:30,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 11:56:30,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 11:56:30,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 11:56:30,128 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 11:56:30,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 11:56:30,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 11:56:30,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 11:56:30,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 11:56:30,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 11:56:30,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 11:56:30,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 11:56:30,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 11:56:30,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 11:56:30,133 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 11:56:30,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 11:56:30,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 11:56:30,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 11:56:30,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 11:56:30,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 11:56:30,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 11:56:30,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:56:30,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 11:56:30,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 11:56:30,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 11:56:30,136 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 11:56:30,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 11:56:30,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 11:56:30,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 11:56:30,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 11:56:30,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 11:56:30,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 11:56:30,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 11:56:30,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 11:56:30,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 11:56:30,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 11:56:30,384 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 11:56:30,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2024-11-06 11:56:31,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 11:56:32,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 11:56:32,273 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2024-11-06 11:56:32,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dde28d67/f46ad569c626412b94984b25451d9027/FLAG670a2fb0a [2024-11-06 11:56:32,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dde28d67/f46ad569c626412b94984b25451d9027 [2024-11-06 11:56:32,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 11:56:32,342 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 11:56:32,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 11:56:32,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 11:56:32,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 11:56:32,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:56:32" (1/1) ... [2024-11-06 11:56:32,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7013519b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:32, skipping insertion in model container [2024-11-06 11:56:32,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:56:32" (1/1) ... [2024-11-06 11:56:32,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:56:33,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2024-11-06 11:56:33,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,220 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,248 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,248 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,249 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,251 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,251 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,306 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,330 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:56:33,362 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 11:56:33,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:56:33,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2024-11-06 11:56:33,518 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,524 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,535 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,537 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,537 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,537 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,554 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:33,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:56:33,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 11:56:33,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2024-11-06 11:56:33,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:56:33,861 INFO L204 MainTranslator]: Completed translation [2024-11-06 11:56:33,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33 WrapperNode [2024-11-06 11:56:33,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 11:56:33,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 11:56:33,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 11:56:33,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 11:56:33,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:33,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:33,999 INFO L138 Inliner]: procedures = 115, calls = 399, calls flagged for inlining = 41, calls inlined = 38, statements flattened = 1019 [2024-11-06 11:56:34,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 11:56:34,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 11:56:34,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 11:56:34,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 11:56:34,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,144 INFO L175 MemorySlicer]: Split 259 memory accesses to 11 slices as follows [2, 33, 90, 21, 7, 19, 17, 3, 44, 21, 2]. 35 percent of accesses are in the largest equivalence class. The 78 initializations are split as follows [2, 33, 0, 21, 7, 0, 15, 0, 0, 0, 0]. The 113 writes are split as follows [0, 0, 29, 0, 0, 19, 1, 1, 44, 18, 1]. [2024-11-06 11:56:34,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 11:56:34,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 11:56:34,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 11:56:34,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 11:56:34,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (1/1) ... [2024-11-06 11:56:34,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:56:34,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:34,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 11:56:34,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 11:56:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 11:56:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-06 11:56:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 11:56:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 11:56:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 11:56:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 11:56:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 11:56:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-06 11:56:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-06 11:56:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-06 11:56:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 11:56:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 11:56:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-06 11:56:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-06 11:56:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-06 11:56:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-06 11:56:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 11:56:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 11:56:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-06 11:56:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-06 11:56:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 11:56:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 11:56:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-06 11:56:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 11:56:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 11:56:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 11:56:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 11:56:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 11:56:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-06 11:56:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-06 11:56:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-06 11:56:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 11:56:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 11:56:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-06 11:56:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-06 11:56:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-06 11:56:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-06 11:56:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-06 11:56:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-06 11:56:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-06 11:56:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-06 11:56:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-06 11:56:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-06 11:56:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-06 11:56:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 11:56:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-06 11:56:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 11:56:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 11:56:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 11:56:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 11:56:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 11:56:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-06 11:56:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-06 11:56:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-06 11:56:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-06 11:56:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-06 11:56:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-06 11:56:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-06 11:56:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2024-11-06 11:56:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-06 11:56:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-06 11:56:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-06 11:56:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-06 11:56:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-06 11:56:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-06 11:56:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-06 11:56:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-06 11:56:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-06 11:56:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-06 11:56:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 11:56:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-06 11:56:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-06 11:56:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-06 11:56:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2024-11-06 11:56:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2024-11-06 11:56:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2024-11-06 11:56:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-06 11:56:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-06 11:56:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-06 11:56:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-06 11:56:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-06 11:56:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-06 11:56:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-06 11:56:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-06 11:56:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-06 11:56:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-06 11:56:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-06 11:56:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-06 11:56:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 11:56:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 11:56:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 11:56:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 11:56:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-06 11:56:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 11:56:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 11:56:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-06 11:56:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-06 11:56:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-06 11:56:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-06 11:56:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 11:56:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 11:56:34,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 11:56:34,798 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 11:56:34,821 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 11:56:52,533 INFO L? ?]: Removed 432 outVars from TransFormulas that were not future-live. [2024-11-06 11:56:52,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 11:56:52,548 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 11:56:52,548 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 11:56:52,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:56:52 BoogieIcfgContainer [2024-11-06 11:56:52,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 11:56:52,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 11:56:52,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 11:56:52,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 11:56:52,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:56:32" (1/3) ... [2024-11-06 11:56:52,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2e828d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:56:52, skipping insertion in model container [2024-11-06 11:56:52,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:33" (2/3) ... [2024-11-06 11:56:52,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2e828d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:56:52, skipping insertion in model container [2024-11-06 11:56:52,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:56:52" (3/3) ... [2024-11-06 11:56:52,557 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2024-11-06 11:56:52,571 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 11:56:52,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 11:56:52,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 11:56:52,648 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@365739c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 11:56:52,648 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 11:56:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 196 states have (on average 1.3877551020408163) internal successors, (272), 202 states have internal predecessors, (272), 39 states have call successors, (39), 16 states have call predecessors, (39), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-06 11:56:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-06 11:56:52,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:52,665 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:52,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:52,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:52,670 INFO L85 PathProgramCache]: Analyzing trace with hash -743802401, now seen corresponding path program 1 times [2024-11-06 11:56:52,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:52,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028354794] [2024-11-06 11:56:52,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:52,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:52,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:52,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:52,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 11:56:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:56:54,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:56:54,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:56:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:56:54,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:56:54,456 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:56:54,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028354794] [2024-11-06 11:56:54,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028354794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:56:54,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:56:54,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:56:54,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387671451] [2024-11-06 11:56:54,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:56:54,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:56:54,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:56:54,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:56:54,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:54,488 INFO L87 Difference]: Start difference. First operand has 252 states, 196 states have (on average 1.3877551020408163) internal successors, (272), 202 states have internal predecessors, (272), 39 states have call successors, (39), 16 states have call predecessors, (39), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-06 11:56:58,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:56:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:56:59,102 INFO L93 Difference]: Finished difference Result 704 states and 1013 transitions. [2024-11-06 11:56:59,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:56:59,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-06 11:56:59,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:56:59,121 INFO L225 Difference]: With dead ends: 704 [2024-11-06 11:56:59,121 INFO L226 Difference]: Without dead ends: 441 [2024-11-06 11:56:59,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:59,130 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 287 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-06 11:56:59,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 669 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-06 11:56:59,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-06 11:56:59,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-06 11:56:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 352 states have (on average 1.3636363636363635) internal successors, (480), 352 states have internal predecessors, (480), 62 states have call successors, (62), 27 states have call predecessors, (62), 26 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-06 11:56:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 603 transitions. [2024-11-06 11:56:59,228 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 603 transitions. Word has length 42 [2024-11-06 11:56:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:56:59,228 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 603 transitions. [2024-11-06 11:56:59,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-06 11:56:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 603 transitions. [2024-11-06 11:56:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-06 11:56:59,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:59,232 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:59,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 11:56:59,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:59,434 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:59,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:59,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2089701799, now seen corresponding path program 1 times [2024-11-06 11:56:59,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:59,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859373228] [2024-11-06 11:56:59,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:59,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:59,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:59,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:59,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 11:57:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:00,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 11:57:00,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:02,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:57:02,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:57:02,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:02,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859373228] [2024-11-06 11:57:02,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859373228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:57:02,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:57:02,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 11:57:02,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64265928] [2024-11-06 11:57:02,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:57:02,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 11:57:02,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:02,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 11:57:02,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 11:57:02,855 INFO L87 Difference]: Start difference. First operand 441 states and 603 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:57:03,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:03,757 INFO L93 Difference]: Finished difference Result 1280 states and 1771 transitions. [2024-11-06 11:57:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 11:57:03,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2024-11-06 11:57:03,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:03,769 INFO L225 Difference]: With dead ends: 1280 [2024-11-06 11:57:03,769 INFO L226 Difference]: Without dead ends: 853 [2024-11-06 11:57:03,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 11:57:03,773 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 287 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:03,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1303 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 11:57:03,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-11-06 11:57:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2024-11-06 11:57:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 683 states have (on average 1.3645680819912152) internal successors, (932), 683 states have internal predecessors, (932), 119 states have call successors, (119), 51 states have call predecessors, (119), 50 states have return successors, (124), 118 states have call predecessors, (124), 118 states have call successors, (124) [2024-11-06 11:57:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1175 transitions. [2024-11-06 11:57:03,844 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1175 transitions. Word has length 52 [2024-11-06 11:57:03,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:03,844 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1175 transitions. [2024-11-06 11:57:03,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:57:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1175 transitions. [2024-11-06 11:57:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-06 11:57:03,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:03,855 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:03,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 11:57:04,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:04,056 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:04,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:04,056 INFO L85 PathProgramCache]: Analyzing trace with hash -2010896555, now seen corresponding path program 1 times [2024-11-06 11:57:04,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:04,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856550345] [2024-11-06 11:57:04,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:57:04,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:04,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:04,060 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:04,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 11:57:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:05,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:57:05,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-06 11:57:05,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:57:05,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:05,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856550345] [2024-11-06 11:57:05,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856550345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:57:05,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:57:05,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:57:05,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312078201] [2024-11-06 11:57:05,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:57:05,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:57:05,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:05,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:57:05,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:57:05,557 INFO L87 Difference]: Start difference. First operand 853 states and 1175 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 11:57:06,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:06,187 INFO L93 Difference]: Finished difference Result 1916 states and 2657 transitions. [2024-11-06 11:57:06,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:57:06,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-06 11:57:06,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:06,194 INFO L225 Difference]: With dead ends: 1916 [2024-11-06 11:57:06,195 INFO L226 Difference]: Without dead ends: 1083 [2024-11-06 11:57:06,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:57:06,198 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 115 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:06,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 620 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 11:57:06,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-11-06 11:57:06,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1074. [2024-11-06 11:57:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 881 states have (on average 1.3904653802497162) internal successors, (1225), 881 states have internal predecessors, (1225), 132 states have call successors, (132), 61 states have call predecessors, (132), 60 states have return successors, (137), 131 states have call predecessors, (137), 131 states have call successors, (137) [2024-11-06 11:57:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1494 transitions. [2024-11-06 11:57:06,257 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1494 transitions. Word has length 126 [2024-11-06 11:57:06,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:06,258 INFO L471 AbstractCegarLoop]: Abstraction has 1074 states and 1494 transitions. [2024-11-06 11:57:06,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 11:57:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1494 transitions. [2024-11-06 11:57:06,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-06 11:57:06,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:06,262 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:06,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-06 11:57:06,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:06,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:06,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:06,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1778628125, now seen corresponding path program 1 times [2024-11-06 11:57:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:06,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135375598] [2024-11-06 11:57:06,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:57:06,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:06,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:06,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:06,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 11:57:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:07,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:57:07,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:08,708 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-06 11:57:08,708 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:57:08,709 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:08,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135375598] [2024-11-06 11:57:08,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135375598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:57:08,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:57:08,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:57:08,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986911847] [2024-11-06 11:57:08,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:57:08,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:57:08,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:08,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:57:08,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:57:08,711 INFO L87 Difference]: Start difference. First operand 1074 states and 1494 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 11:57:12,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:57:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:13,581 INFO L93 Difference]: Finished difference Result 2866 states and 3987 transitions. [2024-11-06 11:57:13,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:57:13,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2024-11-06 11:57:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:13,595 INFO L225 Difference]: With dead ends: 2866 [2024-11-06 11:57:13,595 INFO L226 Difference]: Without dead ends: 1823 [2024-11-06 11:57:13,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:57:13,600 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 268 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:13,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 741 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-06 11:57:13,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2024-11-06 11:57:13,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1814. [2024-11-06 11:57:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1491 states have (on average 1.3742454728370221) internal successors, (2049), 1491 states have internal predecessors, (2049), 218 states have call successors, (218), 105 states have call predecessors, (218), 104 states have return successors, (225), 217 states have call predecessors, (225), 217 states have call successors, (225) [2024-11-06 11:57:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2492 transitions. [2024-11-06 11:57:13,685 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2492 transitions. Word has length 148 [2024-11-06 11:57:13,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:13,686 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2492 transitions. [2024-11-06 11:57:13,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 11:57:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2492 transitions. [2024-11-06 11:57:13,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-06 11:57:13,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:13,691 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:13,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 11:57:13,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:13,892 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:13,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:13,893 INFO L85 PathProgramCache]: Analyzing trace with hash 574533867, now seen corresponding path program 1 times [2024-11-06 11:57:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:13,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [822800179] [2024-11-06 11:57:13,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:57:13,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:13,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:13,896 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:13,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 11:57:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:15,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-06 11:57:15,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-06 11:57:16,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:57:16,252 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:16,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822800179] [2024-11-06 11:57:16,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822800179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:57:16,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:57:16,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 11:57:16,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175990945] [2024-11-06 11:57:16,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:57:16,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 11:57:16,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:16,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 11:57:16,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 11:57:16,256 INFO L87 Difference]: Start difference. First operand 1814 states and 2492 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 11:57:16,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:16,704 INFO L93 Difference]: Finished difference Result 3635 states and 5028 transitions. [2024-11-06 11:57:16,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 11:57:16,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 148 [2024-11-06 11:57:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:16,720 INFO L225 Difference]: With dead ends: 3635 [2024-11-06 11:57:16,720 INFO L226 Difference]: Without dead ends: 1852 [2024-11-06 11:57:16,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 11:57:16,728 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:16,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1295 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-06 11:57:16,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2024-11-06 11:57:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1846. [2024-11-06 11:57:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1515 states have (on average 1.3683168316831684) internal successors, (2073), 1515 states have internal predecessors, (2073), 218 states have call successors, (218), 105 states have call predecessors, (218), 112 states have return successors, (241), 225 states have call predecessors, (241), 217 states have call successors, (241) [2024-11-06 11:57:16,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2532 transitions. [2024-11-06 11:57:16,813 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2532 transitions. Word has length 148 [2024-11-06 11:57:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:16,813 INFO L471 AbstractCegarLoop]: Abstraction has 1846 states and 2532 transitions. [2024-11-06 11:57:16,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-06 11:57:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2532 transitions. [2024-11-06 11:57:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-06 11:57:16,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:16,818 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:16,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-06 11:57:17,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:17,020 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:17,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:17,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1065882163, now seen corresponding path program 1 times [2024-11-06 11:57:17,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:17,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1721996355] [2024-11-06 11:57:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:57:17,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:17,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:17,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:17,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 11:57:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:18,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-06 11:57:18,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-06 11:57:21,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:57:21,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:21,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721996355] [2024-11-06 11:57:21,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721996355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:57:21,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:57:21,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-06 11:57:21,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780411387] [2024-11-06 11:57:21,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:57:21,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 11:57:21,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:21,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 11:57:21,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 11:57:21,509 INFO L87 Difference]: Start difference. First operand 1846 states and 2532 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-06 11:57:24,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:24,268 INFO L93 Difference]: Finished difference Result 3723 states and 5128 transitions. [2024-11-06 11:57:24,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 11:57:24,269 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 155 [2024-11-06 11:57:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:24,281 INFO L225 Difference]: With dead ends: 3723 [2024-11-06 11:57:24,281 INFO L226 Difference]: Without dead ends: 1908 [2024-11-06 11:57:24,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 11:57:24,288 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 7 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:24,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2974 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-06 11:57:24,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-11-06 11:57:24,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1878. [2024-11-06 11:57:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1878 states, 1539 states have (on average 1.3573749187784276) internal successors, (2089), 1539 states have internal predecessors, (2089), 218 states have call successors, (218), 105 states have call predecessors, (218), 120 states have return successors, (249), 233 states have call predecessors, (249), 217 states have call successors, (249) [2024-11-06 11:57:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2556 transitions. [2024-11-06 11:57:24,370 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2556 transitions. Word has length 155 [2024-11-06 11:57:24,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:24,371 INFO L471 AbstractCegarLoop]: Abstraction has 1878 states and 2556 transitions. [2024-11-06 11:57:24,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-06 11:57:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2556 transitions. [2024-11-06 11:57:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-06 11:57:24,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:24,377 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:24,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-06 11:57:24,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:24,578 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:24,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:24,579 INFO L85 PathProgramCache]: Analyzing trace with hash 302657750, now seen corresponding path program 1 times [2024-11-06 11:57:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:24,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [701372358] [2024-11-06 11:57:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:57:24,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:24,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:24,583 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:24,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 11:57:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:25,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 11:57:25,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-06 11:57:26,311 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:57:26,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:26,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701372358] [2024-11-06 11:57:26,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701372358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:57:26,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:57:26,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 11:57:26,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216981272] [2024-11-06 11:57:26,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:57:26,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 11:57:26,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:26,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 11:57:26,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 11:57:26,313 INFO L87 Difference]: Start difference. First operand 1878 states and 2556 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 11:57:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:26,546 INFO L93 Difference]: Finished difference Result 3735 states and 5089 transitions. [2024-11-06 11:57:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 11:57:26,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2024-11-06 11:57:26,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:26,557 INFO L225 Difference]: With dead ends: 3735 [2024-11-06 11:57:26,558 INFO L226 Difference]: Without dead ends: 1879 [2024-11-06 11:57:26,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 11:57:26,563 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:26,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 973 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 11:57:26,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2024-11-06 11:57:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1879. [2024-11-06 11:57:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1540 states have (on average 1.3571428571428572) internal successors, (2090), 1540 states have internal predecessors, (2090), 218 states have call successors, (218), 105 states have call predecessors, (218), 120 states have return successors, (249), 233 states have call predecessors, (249), 217 states have call successors, (249) [2024-11-06 11:57:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2557 transitions. [2024-11-06 11:57:26,651 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2557 transitions. Word has length 161 [2024-11-06 11:57:26,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:26,651 INFO L471 AbstractCegarLoop]: Abstraction has 1879 states and 2557 transitions. [2024-11-06 11:57:26,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 11:57:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2557 transitions. [2024-11-06 11:57:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-06 11:57:26,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:26,656 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:26,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-06 11:57:26,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:26,857 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:26,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:26,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1493897241, now seen corresponding path program 1 times [2024-11-06 11:57:26,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:26,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661351116] [2024-11-06 11:57:26,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:57:26,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:26,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:26,860 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:26,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-06 11:57:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:28,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 11:57:28,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-06 11:57:28,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:57:28,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:28,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661351116] [2024-11-06 11:57:28,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661351116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:57:28,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:57:28,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 11:57:28,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575335178] [2024-11-06 11:57:28,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:57:28,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 11:57:28,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:28,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 11:57:28,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 11:57:28,445 INFO L87 Difference]: Start difference. First operand 1879 states and 2557 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 11:57:28,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:28,706 INFO L93 Difference]: Finished difference Result 3730 states and 5083 transitions. [2024-11-06 11:57:28,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 11:57:28,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 162 [2024-11-06 11:57:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:28,719 INFO L225 Difference]: With dead ends: 3730 [2024-11-06 11:57:28,720 INFO L226 Difference]: Without dead ends: 1880 [2024-11-06 11:57:28,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 11:57:28,725 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:28,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 973 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 11:57:28,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2024-11-06 11:57:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1880. [2024-11-06 11:57:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1880 states, 1541 states have (on average 1.3569110966904607) internal successors, (2091), 1541 states have internal predecessors, (2091), 218 states have call successors, (218), 105 states have call predecessors, (218), 120 states have return successors, (249), 233 states have call predecessors, (249), 217 states have call successors, (249) [2024-11-06 11:57:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2558 transitions. [2024-11-06 11:57:28,799 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2558 transitions. Word has length 162 [2024-11-06 11:57:28,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:28,800 INFO L471 AbstractCegarLoop]: Abstraction has 1880 states and 2558 transitions. [2024-11-06 11:57:28,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 11:57:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2558 transitions. [2024-11-06 11:57:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-06 11:57:28,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:28,806 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:28,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-06 11:57:29,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:29,006 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:29,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:29,007 INFO L85 PathProgramCache]: Analyzing trace with hash 406613002, now seen corresponding path program 1 times [2024-11-06 11:57:29,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:29,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240254121] [2024-11-06 11:57:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:57:29,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:29,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:29,009 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:29,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-06 11:57:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:57:30,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 11:57:30,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:57:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-06 11:57:30,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 11:57:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-06 11:57:35,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:57:35,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240254121] [2024-11-06 11:57:35,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240254121] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 11:57:35,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 11:57:35,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 11:57:35,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4149184] [2024-11-06 11:57:35,296 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 11:57:35,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 11:57:35,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:57:35,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 11:57:35,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 11:57:35,298 INFO L87 Difference]: Start difference. First operand 1880 states and 2558 transitions. Second operand has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-06 11:57:36,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:36,242 INFO L93 Difference]: Finished difference Result 3742 states and 5098 transitions. [2024-11-06 11:57:36,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 11:57:36,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 163 [2024-11-06 11:57:36,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:36,254 INFO L225 Difference]: With dead ends: 3742 [2024-11-06 11:57:36,254 INFO L226 Difference]: Without dead ends: 1883 [2024-11-06 11:57:36,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-06 11:57:36,260 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:36,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1621 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 11:57:36,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2024-11-06 11:57:36,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1883. [2024-11-06 11:57:36,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1544 states have (on average 1.3562176165803108) internal successors, (2094), 1544 states have internal predecessors, (2094), 218 states have call successors, (218), 105 states have call predecessors, (218), 120 states have return successors, (249), 233 states have call predecessors, (249), 217 states have call successors, (249) [2024-11-06 11:57:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2561 transitions. [2024-11-06 11:57:36,338 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2561 transitions. Word has length 163 [2024-11-06 11:57:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:36,338 INFO L471 AbstractCegarLoop]: Abstraction has 1883 states and 2561 transitions. [2024-11-06 11:57:36,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-06 11:57:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2561 transitions. [2024-11-06 11:57:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-06 11:57:36,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:57:36,343 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:57:36,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-06 11:57:36,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:36,544 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:57:36,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:57:36,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1401361595, now seen corresponding path program 2 times [2024-11-06 11:57:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:57:36,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729629929] [2024-11-06 11:57:36,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 11:57:36,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:36,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:57:36,552 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:57:36,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process