/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -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-b75d321-m [2024-11-04 18:22:26,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 18:22:26,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 18:22:26,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 18:22:26,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 18:22:26,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 18:22:26,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 18:22:26,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 18:22:26,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 18:22:26,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 18:22:26,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 18:22:26,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 18:22:26,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 18:22:26,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 18:22:26,822 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 18:22:26,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 18:22:26,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 18:22:26,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 18:22:26,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 18:22:26,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 18:22:26,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 18:22:26,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 18:22:26,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 18:22:26,832 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 18:22:26,832 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 18:22:26,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 18:22:26,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 18:22:26,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 18:22:26,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 18:22:26,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 18:22:26,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 18:22:26,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 18:22:26,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 18:22:26,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 18:22:26,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 18:22:26,836 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 18:22:26,837 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:26,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 18:22:26,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 18:22:26,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 18:22:26,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 18:22:26,839 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:27,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 18:22:27,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 18:22:27,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 18:22:27,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 18:22:27,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 18:22:27,165 INFO L431 ainManager$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 [2024-11-04 18:22:28,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 18:22:29,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 18:22:29,334 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 [2024-11-04 18:22:29,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f120706e/bc7a540a5d154cd6b4117b4de346b1a8/FLAGe81301328 [2024-11-04 18:22:29,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f120706e/bc7a540a5d154cd6b4117b4de346b1a8 [2024-11-04 18:22:29,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 18:22:29,418 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 18:22:29,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 18:22:29,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 18:22:29,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 18:22:29,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 06:22:29" (1/1) ... [2024-11-04 18:22:29,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34450b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:29, skipping insertion in model container [2024-11-04 18:22:29,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 06:22:29" (1/1) ... [2024-11-04 18:22:29,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 18:22:30,517 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] [2024-11-04 18:22:30,645 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,645 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,662 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,663 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,720 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,722 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,723 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,730 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,730 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,837 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,899 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:30,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 18:22:30,939 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 18:22:30,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 18:22:31,119 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] [2024-11-04 18:22:31,140 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,141 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,151 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,152 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,152 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,167 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,168 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,168 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,172 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,173 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,173 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,173 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,211 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 18:22:31,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 18:22:31,235 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 18:22:31,409 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] [2024-11-04 18:22:31,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 18:22:31,646 INFO L204 MainTranslator]: Completed translation [2024-11-04 18:22:31,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31 WrapperNode [2024-11-04 18:22:31,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 18:22:31,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 18:22:31,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 18:22:31,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 18:22:31,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:31,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:31,824 INFO L138 Inliner]: procedures = 115, calls = 399, calls flagged for inlining = 41, calls inlined = 38, statements flattened = 1019 [2024-11-04 18:22:31,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 18:22:31,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 18:22:31,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 18:22:31,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 18:22:31,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:31,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:31,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:31,995 INFO L175 MemorySlicer]: Split 259 memory accesses to 11 slices as follows [33, 2, 3, 2, 21, 17, 7, 19, 44, 21, 90]. 35 percent of accesses are in the largest equivalence class. The 78 initializations are split as follows [33, 2, 0, 0, 21, 15, 7, 0, 0, 0, 0]. The 113 writes are split as follows [0, 0, 1, 1, 0, 1, 0, 19, 44, 18, 29]. [2024-11-04 18:22:31,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:31,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:32,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:32,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:32,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:32,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:32,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 18:22:32,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 18:22:32,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 18:22:32,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 18:22:32,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (1/1) ... [2024-11-04 18:22:32,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 18:22:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 18:22:32,210 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) [2024-11-04 18:22:32,219 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 [2024-11-04 18:22:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 18:22:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-04 18:22:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 18:22:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-04 18:22:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-04 18:22:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-04 18:22:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 18:22:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-04 18:22:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-04 18:22:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-04 18:22:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-04 18:22:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-04 18:22:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-04 18:22:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-04 18:22:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-04 18:22:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-04 18:22:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 18:22:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 18:22:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-04 18:22:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-04 18:22:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-04 18:22:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-04 18:22:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-04 18:22:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-04 18:22:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 18:22:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 18:22:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 18:22:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 18:22:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 18:22:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 18:22:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 18:22:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 18:22:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-04 18:22:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-04 18:22:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-04 18:22:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-04 18:22:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-04 18:22:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-04 18:22:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-04 18:22:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-04 18:22:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-04 18:22:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 18:22:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 18:22:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 18:22:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 18:22:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 18:22:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 18:22:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 18:22:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 18:22:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-04 18:22:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-04 18:22:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-04 18:22:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-04 18:22:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-04 18:22:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-04 18:22:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-04 18:22:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-04 18:22:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-04 18:22:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-04 18:22:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-04 18:22:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-04 18:22:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-04 18:22:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-04 18:22:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-04 18:22:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-04 18:22:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-04 18:22:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-04 18:22:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-04 18:22:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-04 18:22:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 18:22:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 18:22:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 18:22:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 18:22:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-04 18:22:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-04 18:22:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 18:22:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 18:22:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 18:22:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 18:22:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-04 18:22:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2024-11-04 18:22:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-04 18:22:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-04 18:22:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-04 18:22:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-04 18:22:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-04 18:22:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-04 18:22:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 18:22:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 18:22:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 18:22:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 18:22:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 18:22:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2024-11-04 18:22:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2024-11-04 18:22:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2024-11-04 18:22:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 18:22:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 18:22:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 18:22:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 18:22:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 18:22:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 18:22:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 18:22:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-04 18:22:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 18:22:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 18:22:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-04 18:22:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 18:22:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 18:22:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-04 18:22:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-04 18:22:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-04 18:22:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-04 18:22:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-04 18:22:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-04 18:22:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-04 18:22:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-04 18:22:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-04 18:22:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-04 18:22:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-04 18:22:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-04 18:22:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2024-11-04 18:22:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-04 18:22:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-04 18:22:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 18:22:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 18:22:32,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 18:22:32,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 18:22:32,874 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-04 18:22:52,007 INFO L? ?]: Removed 432 outVars from TransFormulas that were not future-live. [2024-11-04 18:22:52,007 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 18:22:52,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 18:22:52,032 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 18:22:52,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 06:22:52 BoogieIcfgContainer [2024-11-04 18:22:52,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 18:22:52,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 18:22:52,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 18:22:52,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 18:22:52,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 06:22:29" (1/3) ... [2024-11-04 18:22:52,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbc9a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 06:22:52, skipping insertion in model container [2024-11-04 18:22:52,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:22:31" (2/3) ... [2024-11-04 18:22:52,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbc9a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 06:22:52, skipping insertion in model container [2024-11-04 18:22:52,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 06:22:52" (3/3) ... [2024-11-04 18:22:52,041 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 [2024-11-04 18:22:52,058 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 18:22:52,058 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 18:22:52,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 18:22:52,140 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;@5588a418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 18:22:52,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 18:22:52,150 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) [2024-11-04 18:22:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-04 18:22:52,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:22:52,166 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] [2024-11-04 18:22:52,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:22:52,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:22:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash 755038843, now seen corresponding path program 1 times [2024-11-04 18:22:52,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:22:52,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102788548] [2024-11-04 18:22:52,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:22:52,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:22:52,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:22:52,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:22:52,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 18:22:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:22:53,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:22:53,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:22:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-04 18:22:54,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:22:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-04 18:22:54,742 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:22:54,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102788548] [2024-11-04 18:22:54,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2102788548] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:22:54,743 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:22:54,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 18:22:54,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118577431] [2024-11-04 18:22:54,745 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:22:54,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 18:22:54,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:22:54,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 18:22:54,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 18:22:54,780 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 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-04 18:22:58,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 18:23:00,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:00,669 INFO L93 Difference]: Finished difference Result 908 states and 1317 transitions. [2024-11-04 18:23:00,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 18:23:00,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 [2024-11-04 18:23:00,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:00,686 INFO L225 Difference]: With dead ends: 908 [2024-11-04 18:23:00,687 INFO L226 Difference]: Without dead ends: 640 [2024-11-04 18:23:00,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 18:23:00,695 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 596 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:00,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1161 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-04 18:23:00,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-04 18:23:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640. [2024-11-04 18:23:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 512 states have (on average 1.37109375) internal successors, (702), 512 states have internal predecessors, (702), 89 states have call successors, (89), 39 states have call predecessors, (89), 38 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-04 18:23:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 879 transitions. [2024-11-04 18:23:00,799 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 879 transitions. Word has length 42 [2024-11-04 18:23:00,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:00,801 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 879 transitions. [2024-11-04 18:23:00,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-04 18:23:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 879 transitions. [2024-11-04 18:23:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-04 18:23:00,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:00,806 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] [2024-11-04 18:23:00,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-04 18:23:01,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:01,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:01,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:01,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1222525117, now seen corresponding path program 1 times [2024-11-04 18:23:01,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:01,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946647645] [2024-11-04 18:23:01,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:01,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:01,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:01,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:01,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 18:23:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:02,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 18:23:02,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-04 18:23:04,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:05,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 18:23:05,497 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:05,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946647645] [2024-11-04 18:23:05,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [946647645] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:05,498 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:05,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-04 18:23:05,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233513365] [2024-11-04 18:23:05,498 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:05,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 18:23:05,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:05,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 18:23:05,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-04 18:23:05,501 INFO L87 Difference]: Start difference. First operand 640 states and 879 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-04 18:23:06,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:06,453 INFO L93 Difference]: Finished difference Result 1877 states and 2605 transitions. [2024-11-04 18:23:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 18:23:06,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2024-11-04 18:23:06,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:06,471 INFO L225 Difference]: With dead ends: 1877 [2024-11-04 18:23:06,471 INFO L226 Difference]: Without dead ends: 1251 [2024-11-04 18:23:06,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-04 18:23:06,477 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 287 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1637 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:06,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1637 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-04 18:23:06,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-04 18:23:06,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2024-11-04 18:23:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1003 states have (on average 1.3708873379860418) internal successors, (1375), 1003 states have internal predecessors, (1375), 173 states have call successors, (173), 75 states have call predecessors, (173), 74 states have return successors, (181), 172 states have call predecessors, (181), 172 states have call successors, (181) [2024-11-04 18:23:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1729 transitions. [2024-11-04 18:23:06,610 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1729 transitions. Word has length 52 [2024-11-04 18:23:06,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:06,610 INFO L471 AbstractCegarLoop]: Abstraction has 1251 states and 1729 transitions. [2024-11-04 18:23:06,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-04 18:23:06,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1729 transitions. [2024-11-04 18:23:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-04 18:23:06,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:06,629 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] [2024-11-04 18:23:06,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-04 18:23:06,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:06,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:06,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:06,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1968005617, now seen corresponding path program 1 times [2024-11-04 18:23:06,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:06,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852968647] [2024-11-04 18:23:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:06,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:06,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:06,834 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:06,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 18:23:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:08,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:23:08,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-04 18:23:08,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-04 18:23:10,249 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:10,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852968647] [2024-11-04 18:23:10,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1852968647] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:10,250 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:10,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 18:23:10,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239165776] [2024-11-04 18:23:10,250 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:10,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 18:23:10,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:10,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 18:23:10,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:23:10,252 INFO L87 Difference]: Start difference. First operand 1251 states and 1729 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-04 18:23:10,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:10,987 INFO L93 Difference]: Finished difference Result 2798 states and 3901 transitions. [2024-11-04 18:23:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 18:23:10,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2024-11-04 18:23:10,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:11,000 INFO L225 Difference]: With dead ends: 2798 [2024-11-04 18:23:11,000 INFO L226 Difference]: Without dead ends: 1567 [2024-11-04 18:23:11,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:23:11,007 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 115 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:11,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 620 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-04 18:23:11,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2024-11-04 18:23:11,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1515. [2024-11-04 18:23:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1241 states have (on average 1.394842868654311) internal successors, (1731), 1241 states have internal predecessors, (1731), 188 states have call successors, (188), 86 states have call predecessors, (188), 85 states have return successors, (196), 187 states have call predecessors, (196), 187 states have call successors, (196) [2024-11-04 18:23:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2115 transitions. [2024-11-04 18:23:11,100 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2115 transitions. Word has length 126 [2024-11-04 18:23:11,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:11,102 INFO L471 AbstractCegarLoop]: Abstraction has 1515 states and 2115 transitions. [2024-11-04 18:23:11,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-04 18:23:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2115 transitions. [2024-11-04 18:23:11,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 18:23:11,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:11,110 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] [2024-11-04 18:23:11,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-04 18:23:11,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:11,311 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:11,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:11,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1788947527, now seen corresponding path program 1 times [2024-11-04 18:23:11,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:11,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5418695] [2024-11-04 18:23:11,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:11,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:11,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 18:23:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:12,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 18:23:12,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-04 18:23:13,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-04 18:23:15,545 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:15,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5418695] [2024-11-04 18:23:15,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [5418695] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:15,545 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:15,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 18:23:15,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637000947] [2024-11-04 18:23:15,546 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:15,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 18:23:15,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:15,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 18:23:15,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:23:15,548 INFO L87 Difference]: Start difference. First operand 1515 states and 2115 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-04 18:23:19,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 18:23:20,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:20,348 INFO L93 Difference]: Finished difference Result 4110 states and 5733 transitions. [2024-11-04 18:23:20,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 18:23:20,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 148 [2024-11-04 18:23:20,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:20,366 INFO L225 Difference]: With dead ends: 4110 [2024-11-04 18:23:20,367 INFO L226 Difference]: Without dead ends: 2626 [2024-11-04 18:23:20,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 18:23:20,376 INFO L432 NwaCegarLoop]: 410 mSDtfsCounter, 268 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:20,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 693 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-04 18:23:20,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2024-11-04 18:23:20,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2617. [2024-11-04 18:23:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2149 states have (on average 1.3773848301535598) internal successors, (2960), 2149 states have internal predecessors, (2960), 316 states have call successors, (316), 152 states have call predecessors, (316), 151 states have return successors, (327), 315 states have call predecessors, (327), 315 states have call successors, (327) [2024-11-04 18:23:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3603 transitions. [2024-11-04 18:23:20,547 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3603 transitions. Word has length 148 [2024-11-04 18:23:20,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:20,547 INFO L471 AbstractCegarLoop]: Abstraction has 2617 states and 3603 transitions. [2024-11-04 18:23:20,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-04 18:23:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3603 transitions. [2024-11-04 18:23:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 18:23:20,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:20,554 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] [2024-11-04 18:23:20,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-04 18:23:20,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:20,756 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:20,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:20,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1301925511, now seen corresponding path program 1 times [2024-11-04 18:23:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:20,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075179253] [2024-11-04 18:23:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:20,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:20,760 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:20,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 18:23:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:22,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 18:23:22,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-04 18:23:22,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-04 18:23:24,763 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:24,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075179253] [2024-11-04 18:23:24,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2075179253] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:24,763 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:24,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 18:23:24,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738554436] [2024-11-04 18:23:24,763 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:24,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 18:23:24,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:24,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 18:23:24,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 18:23:24,765 INFO L87 Difference]: Start difference. First operand 2617 states and 3603 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-04 18:23:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:25,087 INFO L93 Difference]: Finished difference Result 5216 states and 7187 transitions. [2024-11-04 18:23:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 18:23:25,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 148 [2024-11-04 18:23:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:25,109 INFO L225 Difference]: With dead ends: 5216 [2024-11-04 18:23:25,109 INFO L226 Difference]: Without dead ends: 2619 [2024-11-04 18:23:25,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 18:23:25,120 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:25,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1297 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 18:23:25,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2024-11-04 18:23:25,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 2619. [2024-11-04 18:23:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 2151 states have (on average 1.3770339377033938) internal successors, (2962), 2151 states have internal predecessors, (2962), 316 states have call successors, (316), 152 states have call predecessors, (316), 151 states have return successors, (327), 315 states have call predecessors, (327), 315 states have call successors, (327) [2024-11-04 18:23:25,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3605 transitions. [2024-11-04 18:23:25,260 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3605 transitions. Word has length 148 [2024-11-04 18:23:25,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:25,263 INFO L471 AbstractCegarLoop]: Abstraction has 2619 states and 3605 transitions. [2024-11-04 18:23:25,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-04 18:23:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3605 transitions. [2024-11-04 18:23:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-04 18:23:25,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:25,270 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:23:25,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-04 18:23:25,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:25,471 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:25,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:25,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1452000665, now seen corresponding path program 1 times [2024-11-04 18:23:25,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:25,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270581680] [2024-11-04 18:23:25,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:25,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:25,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:25,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:25,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-04 18:23:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:26,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 18:23:26,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-04 18:23:27,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-04 18:23:29,582 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:29,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270581680] [2024-11-04 18:23:29,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [270581680] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:29,582 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:29,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 18:23:29,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703443120] [2024-11-04 18:23:29,583 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:29,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 18:23:29,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:29,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 18:23:29,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 18:23:29,585 INFO L87 Difference]: Start difference. First operand 2619 states and 3605 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 18:23:29,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:29,837 INFO L93 Difference]: Finished difference Result 5212 states and 7182 transitions. [2024-11-04 18:23:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 18:23:29,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 150 [2024-11-04 18:23:29,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:29,855 INFO L225 Difference]: With dead ends: 5212 [2024-11-04 18:23:29,855 INFO L226 Difference]: Without dead ends: 2621 [2024-11-04 18:23:29,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 18:23:29,866 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:29,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 651 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 18:23:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2024-11-04 18:23:30,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2621. [2024-11-04 18:23:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 2153 states have (on average 1.376683697166744) internal successors, (2964), 2153 states have internal predecessors, (2964), 316 states have call successors, (316), 152 states have call predecessors, (316), 151 states have return successors, (327), 315 states have call predecessors, (327), 315 states have call successors, (327) [2024-11-04 18:23:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 3607 transitions. [2024-11-04 18:23:30,018 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 3607 transitions. Word has length 150 [2024-11-04 18:23:30,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:30,019 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 3607 transitions. [2024-11-04 18:23:30,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 18:23:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3607 transitions. [2024-11-04 18:23:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-04 18:23:30,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:30,026 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:23:30,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-04 18:23:30,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:30,227 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:30,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:30,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1243355065, now seen corresponding path program 1 times [2024-11-04 18:23:30,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:30,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551296768] [2024-11-04 18:23:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:30,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:30,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:30,229 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:30,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-04 18:23:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:32,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 18:23:32,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-04 18:23:32,822 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-04 18:23:35,828 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:35,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551296768] [2024-11-04 18:23:35,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1551296768] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 18:23:35,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 18:23:35,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-04 18:23:35,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254129936] [2024-11-04 18:23:35,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 18:23:35,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-04 18:23:35,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:35,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-04 18:23:35,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-04 18:23:35,830 INFO L87 Difference]: Start difference. First operand 2621 states and 3607 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 states have internal predecessors, (129), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-04 18:23:36,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:36,397 INFO L93 Difference]: Finished difference Result 5222 states and 7193 transitions. [2024-11-04 18:23:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-04 18:23:36,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 states have internal predecessors, (129), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 152 [2024-11-04 18:23:36,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:36,415 INFO L225 Difference]: With dead ends: 5222 [2024-11-04 18:23:36,415 INFO L226 Difference]: Without dead ends: 2623 [2024-11-04 18:23:36,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-04 18:23:36,424 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:36,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1945 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-04 18:23:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2024-11-04 18:23:36,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2623. [2024-11-04 18:23:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2623 states, 2155 states have (on average 1.3763341067285382) internal successors, (2966), 2155 states have internal predecessors, (2966), 316 states have call successors, (316), 152 states have call predecessors, (316), 151 states have return successors, (327), 315 states have call predecessors, (327), 315 states have call successors, (327) [2024-11-04 18:23:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 3609 transitions. [2024-11-04 18:23:36,547 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 3609 transitions. Word has length 152 [2024-11-04 18:23:36,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:36,548 INFO L471 AbstractCegarLoop]: Abstraction has 2623 states and 3609 transitions. [2024-11-04 18:23:36,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 states have internal predecessors, (129), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-04 18:23:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 3609 transitions. [2024-11-04 18:23:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-04 18:23:36,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:36,555 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 18:23:36,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-04 18:23:36,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:36,756 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:36,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2065341401, now seen corresponding path program 2 times [2024-11-04 18:23:36,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:36,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055426038] [2024-11-04 18:23:36,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:36,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:36,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:36,759 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:36,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-04 18:23:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:38,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 18:23:38,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-04 18:23:39,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-04 18:23:42,303 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:42,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055426038] [2024-11-04 18:23:42,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1055426038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 18:23:42,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 18:23:42,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-04 18:23:42,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423966209] [2024-11-04 18:23:42,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 18:23:42,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-04 18:23:42,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:42,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-04 18:23:42,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-04 18:23:42,305 INFO L87 Difference]: Start difference. First operand 2623 states and 3609 transitions. Second operand has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 18:23:42,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:42,864 INFO L93 Difference]: Finished difference Result 5216 states and 7186 transitions. [2024-11-04 18:23:42,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-04 18:23:42,866 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2024-11-04 18:23:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:42,882 INFO L225 Difference]: With dead ends: 5216 [2024-11-04 18:23:42,882 INFO L226 Difference]: Without dead ends: 2625 [2024-11-04 18:23:42,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-04 18:23:42,891 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:42,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1945 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-04 18:23:42,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2024-11-04 18:23:43,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2625. [2024-11-04 18:23:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 2157 states have (on average 1.3759851645804357) internal successors, (2968), 2157 states have internal predecessors, (2968), 316 states have call successors, (316), 152 states have call predecessors, (316), 151 states have return successors, (327), 315 states have call predecessors, (327), 315 states have call successors, (327) [2024-11-04 18:23:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3611 transitions. [2024-11-04 18:23:43,025 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3611 transitions. Word has length 154 [2024-11-04 18:23:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:43,026 INFO L471 AbstractCegarLoop]: Abstraction has 2625 states and 3611 transitions. [2024-11-04 18:23:43,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 10 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 18:23:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3611 transitions. [2024-11-04 18:23:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-04 18:23:43,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:43,032 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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] [2024-11-04 18:23:43,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-04 18:23:43,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:43,233 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:43,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:43,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2041684487, now seen corresponding path program 3 times [2024-11-04 18:23:43,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:43,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779367112] [2024-11-04 18:23:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:43,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:43,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:43,235 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:43,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-04 18:23:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:45,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-04 18:23:45,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-04 18:23:46,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 18:23:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-04 18:23:48,744 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 18:23:48,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779367112] [2024-11-04 18:23:48,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1779367112] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 18:23:48,745 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 18:23:48,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-04 18:23:48,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911545902] [2024-11-04 18:23:48,745 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 18:23:48,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 18:23:48,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 18:23:48,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 18:23:48,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 18:23:48,747 INFO L87 Difference]: Start difference. First operand 2625 states and 3611 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-04 18:23:49,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 18:23:49,034 INFO L93 Difference]: Finished difference Result 5265 states and 7290 transitions. [2024-11-04 18:23:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 18:23:49,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2024-11-04 18:23:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 18:23:49,055 INFO L225 Difference]: With dead ends: 5265 [2024-11-04 18:23:49,056 INFO L226 Difference]: Without dead ends: 2679 [2024-11-04 18:23:49,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 18:23:49,065 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 18:23:49,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1295 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 18:23:49,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2024-11-04 18:23:49,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2673. [2024-11-04 18:23:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2193 states have (on average 1.369813041495668) internal successors, (3004), 2193 states have internal predecessors, (3004), 316 states have call successors, (316), 152 states have call predecessors, (316), 163 states have return successors, (347), 327 states have call predecessors, (347), 315 states have call successors, (347) [2024-11-04 18:23:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3667 transitions. [2024-11-04 18:23:49,194 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3667 transitions. Word has length 156 [2024-11-04 18:23:49,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 18:23:49,195 INFO L471 AbstractCegarLoop]: Abstraction has 2673 states and 3667 transitions. [2024-11-04 18:23:49,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-04 18:23:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3667 transitions. [2024-11-04 18:23:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-04 18:23:49,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 18:23:49,206 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 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] [2024-11-04 18:23:49,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-04 18:23:49,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:49,407 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 18:23:49,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 18:23:49,407 INFO L85 PathProgramCache]: Analyzing trace with hash -593181391, now seen corresponding path program 1 times [2024-11-04 18:23:49,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 18:23:49,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440295711] [2024-11-04 18:23:49,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 18:23:49,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 18:23:49,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 18:23:49,412 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 18:23:49,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-04 18:23:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 18:23:50,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-04 18:23:50,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 18:23:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-04 18:23:52,755 INFO L311 TraceCheckSpWp]: Computing backward predicates...