/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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 06:42:18,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 06:42:18,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 06:42:18,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 06:42:18,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 06:42:18,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 06:42:18,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 06:42:18,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 06:42:18,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 06:42:18,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 06:42:18,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 06:42:18,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 06:42:18,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 06:42:18,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 06:42:18,180 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 06:42:18,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 06:42:18,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 06:42:18,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 06:42:18,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 06:42:18,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 06:42:18,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 06:42:18,185 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 06:42:18,186 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 06:42:18,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 06:42:18,186 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 06:42:18,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 06:42:18,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 06:42:18,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 06:42:18,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 06:42:18,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 06:42:18,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 06:42:18,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:42:18,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 06:42:18,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 06:42:18,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 06:42:18,189 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 06:42:18,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 06:42:18,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 06:42:18,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 06:42:18,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 06:42:18,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 06:42:18,190 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 06:42:18,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 06:42:18,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 06:42:18,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 06:42:18,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 06:42:18,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 06:42:18,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 06:42:18,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-01 06:42:20,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 06:42:20,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 06:42:20,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-01 06:42:20,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9ae82fa/a57f037618204db1addb9fb4c7592cfd/FLAGe69e3cf59 [2024-11-01 06:42:21,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9ae82fa/a57f037618204db1addb9fb4c7592cfd [2024-11-01 06:42:21,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 06:42:21,168 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 06:42:21,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 06:42:21,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 06:42:21,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 06:42:21,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:42:21" (1/1) ... [2024-11-01 06:42:21,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49afc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:21, skipping insertion in model container [2024-11-01 06:42:21,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:42:21" (1/1) ... [2024-11-01 06:42:21,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 06:42:22,430 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:42:22,433 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:42:22,433 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:42:22,434 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:42:22,805 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-01 06:42:22,964 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:42:22,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:42:23,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 06:42:23,381 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-01 06:42:23,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:42:23,609 INFO L204 MainTranslator]: Completed translation [2024-11-01 06:42:23,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23 WrapperNode [2024-11-01 06:42:23,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 06:42:23,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 06:42:23,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 06:42:23,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 06:42:23,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:23,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:23,883 INFO L138 Inliner]: procedures = 186, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3128 [2024-11-01 06:42:23,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 06:42:23,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 06:42:23,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 06:42:23,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 06:42:23,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:23,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:23,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,059 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 1, 5, 5, 3, 4, 5, 2, 1020, 15, 46, 1025, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 0, 5, 5, 3, 4, 0, 0, 1020, 0, 0, 1020, 0]. The 45 writes are split as follows [0, 1, 0, 0, 0, 0, 3, 1, 0, 15, 8, 2, 15]. [2024-11-01 06:42:24,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 06:42:24,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 06:42:24,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 06:42:24,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 06:42:24,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (1/1) ... [2024-11-01 06:42:24,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:42:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 06:42:24,463 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) [2024-11-01 06:42:24,467 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 [2024-11-01 06:42:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2024-11-01 06:42:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2024-11-01 06:42:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 06:42:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 06:42:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-01 06:42:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 06:42:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 06:42:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 06:42:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 06:42:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 06:42:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 06:42:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 06:42:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 06:42:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 06:42:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 06:42:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 06:42:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 06:42:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 06:42:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 06:42:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 06:42:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 06:42:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 06:42:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 06:42:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 06:42:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 06:42:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-01 06:42:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-01 06:42:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-01 06:42:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-01 06:42:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-01 06:42:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2024-11-01 06:42:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2024-11-01 06:42:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-01 06:42:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-01 06:42:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2024-11-01 06:42:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2024-11-01 06:42:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2024-11-01 06:42:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2024-11-01 06:42:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2024-11-01 06:42:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2024-11-01 06:42:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-01 06:42:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-01 06:42:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2024-11-01 06:42:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2024-11-01 06:42:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2024-11-01 06:42:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2024-11-01 06:42:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2024-11-01 06:42:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2024-11-01 06:42:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-01 06:42:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-01 06:42:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 06:42:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 06:42:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 06:42:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 06:42:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 06:42:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 06:42:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 06:42:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 06:42:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 06:42:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 06:42:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 06:42:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 06:42:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-01 06:42:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-01 06:42:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-01 06:42:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 06:42:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 06:42:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 06:42:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 06:42:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 06:42:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 06:42:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 06:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 06:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 06:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 06:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 06:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 06:42:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 06:42:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-01 06:42:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-01 06:42:24,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-01 06:42:24,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-01 06:42:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-01 06:42:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-01 06:42:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-01 06:42:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2024-11-01 06:42:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2024-11-01 06:42:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2024-11-01 06:42:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2024-11-01 06:42:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-01 06:42:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-01 06:42:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 06:42:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2024-11-01 06:42:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 06:42:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-01 06:42:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-01 06:42:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-01 06:42:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 06:42:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 06:42:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 06:42:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 06:42:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 06:42:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 06:42:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 06:42:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 06:42:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 06:42:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-01 06:42:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-01 06:42:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2024-11-01 06:42:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2024-11-01 06:42:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2024-11-01 06:42:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2024-11-01 06:42:24,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2024-11-01 06:42:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-01 06:42:24,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-01 06:42:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-01 06:42:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-01 06:42:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 06:42:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 06:42:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-01 06:42:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 06:42:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-01 06:42:24,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-01 06:42:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-11-01 06:42:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-11-01 06:42:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-11-01 06:42:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-11-01 06:42:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-11-01 06:42:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-11-01 06:42:24,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-11-01 06:42:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-11-01 06:42:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-11-01 06:42:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-11-01 06:42:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-11-01 06:42:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2024-11-01 06:42:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2024-11-01 06:42:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 06:42:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 06:42:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 06:42:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 06:42:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 06:42:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-01 06:42:24,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2024-11-01 06:42:24,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2024-11-01 06:42:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-01 06:42:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-01 06:42:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2024-11-01 06:42:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2024-11-01 06:42:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 06:42:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 06:42:25,099 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 06:42:25,102 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 06:42:45,334 INFO L? ?]: Removed 686 outVars from TransFormulas that were not future-live. [2024-11-01 06:42:45,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 06:42:45,373 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 06:42:45,373 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 06:42:45,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:42:45 BoogieIcfgContainer [2024-11-01 06:42:45,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 06:42:45,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 06:42:45,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 06:42:45,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 06:42:45,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:42:21" (1/3) ... [2024-11-01 06:42:45,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbf2094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:42:45, skipping insertion in model container [2024-11-01 06:42:45,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:42:23" (2/3) ... [2024-11-01 06:42:45,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbf2094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:42:45, skipping insertion in model container [2024-11-01 06:42:45,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:42:45" (3/3) ... [2024-11-01 06:42:45,384 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-01 06:42:45,402 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 06:42:45,402 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 06:42:45,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 06:42:45,494 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;@51c94aa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 06:42:45,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 06:42:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 508 states, 344 states have (on average 1.3837209302325582) internal successors, (476), 360 states have internal predecessors, (476), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-01 06:42:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-01 06:42:45,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:42:45,513 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:42:45,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:42:45,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:42:45,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1426004258, now seen corresponding path program 1 times [2024-11-01 06:42:45,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:42:45,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100507344] [2024-11-01 06:42:45,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:42:45,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:42:45,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:42:45,535 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) [2024-11-01 06:42:45,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 06:42:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:42:47,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:42:47,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:42:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:42:47,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:42:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:42:47,816 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:42:47,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100507344] [2024-11-01 06:42:47,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [100507344] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:42:47,817 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:42:47,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:42:47,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992766059] [2024-11-01 06:42:47,820 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:42:47,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:42:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:42:47,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:42:47,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:42:47,858 INFO L87 Difference]: Start difference. First operand has 508 states, 344 states have (on average 1.3837209302325582) internal successors, (476), 360 states have internal predecessors, (476), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:42:52,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:42:52,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:42:52,349 INFO L93 Difference]: Finished difference Result 1007 states and 1536 transitions. [2024-11-01 06:42:52,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:42:52,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-01 06:42:52,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:42:52,374 INFO L225 Difference]: With dead ends: 1007 [2024-11-01 06:42:52,375 INFO L226 Difference]: Without dead ends: 499 [2024-11-01 06:42:52,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:42:52,392 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 714 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-01 06:42:52,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 724 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-01 06:42:52,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-01 06:42:52,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-01 06:42:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 339 states have (on average 1.3805309734513274) internal successors, (468), 352 states have internal predecessors, (468), 130 states have call successors, (130), 31 states have call predecessors, (130), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-01 06:42:52,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 717 transitions. [2024-11-01 06:42:52,501 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 717 transitions. Word has length 12 [2024-11-01 06:42:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:42:52,502 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 717 transitions. [2024-11-01 06:42:52,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:42:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 717 transitions. [2024-11-01 06:42:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-01 06:42:52,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:42:52,503 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:42:52,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 06:42:52,704 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 [2024-11-01 06:42:52,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:42:52,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:42:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1257162550, now seen corresponding path program 1 times [2024-11-01 06:42:52,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:42:52,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97844202] [2024-11-01 06:42:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:42:52,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:42:52,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:42:52,708 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) [2024-11-01 06:42:52,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 06:42:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:42:54,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 2313 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:42:54,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:42:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:42:54,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:42:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:42:54,598 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:42:54,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97844202] [2024-11-01 06:42:54,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [97844202] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:42:54,599 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:42:54,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:42:54,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525773749] [2024-11-01 06:42:54,600 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:42:54,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:42:54,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:42:54,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:42:54,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:42:54,602 INFO L87 Difference]: Start difference. First operand 499 states and 717 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:42:58,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:42:58,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:42:58,957 INFO L93 Difference]: Finished difference Result 501 states and 718 transitions. [2024-11-01 06:42:58,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:42:58,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-01 06:42:58,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:42:58,966 INFO L225 Difference]: With dead ends: 501 [2024-11-01 06:42:58,966 INFO L226 Difference]: Without dead ends: 498 [2024-11-01 06:42:58,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:42:58,968 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 705 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:42:58,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 716 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 06:42:58,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-01 06:42:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2024-11-01 06:42:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 339 states have (on average 1.3775811209439528) internal successors, (467), 351 states have internal predecessors, (467), 129 states have call successors, (129), 31 states have call predecessors, (129), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-01 06:42:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 715 transitions. [2024-11-01 06:42:59,030 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 715 transitions. Word has length 13 [2024-11-01 06:42:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:42:59,030 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 715 transitions. [2024-11-01 06:42:59,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:42:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 715 transitions. [2024-11-01 06:42:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-01 06:42:59,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:42:59,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:42:59,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 06:42:59,232 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 [2024-11-01 06:42:59,232 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:42:59,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:42:59,233 INFO L85 PathProgramCache]: Analyzing trace with hash -318032031, now seen corresponding path program 1 times [2024-11-01 06:42:59,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:42:59,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481280192] [2024-11-01 06:42:59,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:42:59,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:42:59,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:42:59,238 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) [2024-11-01 06:42:59,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 06:43:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:00,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:43:00,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:00,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:01,071 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:01,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481280192] [2024-11-01 06:43:01,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1481280192] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:01,071 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:01,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:43:01,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401669121] [2024-11-01 06:43:01,072 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:01,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:43:01,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:43:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:01,073 INFO L87 Difference]: Start difference. First operand 498 states and 715 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:43:05,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:43:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:43:05,514 INFO L93 Difference]: Finished difference Result 1445 states and 2086 transitions. [2024-11-01 06:43:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:43:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-01 06:43:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:43:05,524 INFO L225 Difference]: With dead ends: 1445 [2024-11-01 06:43:05,524 INFO L226 Difference]: Without dead ends: 953 [2024-11-01 06:43:05,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:05,530 INFO L432 NwaCegarLoop]: 1064 mSDtfsCounter, 666 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:43:05,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 1750 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 06:43:05,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-01 06:43:05,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 946. [2024-11-01 06:43:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 650 states have (on average 1.376923076923077) internal successors, (895), 664 states have internal predecessors, (895), 240 states have call successors, (240), 60 states have call predecessors, (240), 55 states have return successors, (230), 226 states have call predecessors, (230), 226 states have call successors, (230) [2024-11-01 06:43:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1365 transitions. [2024-11-01 06:43:05,632 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1365 transitions. Word has length 14 [2024-11-01 06:43:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:43:05,632 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1365 transitions. [2024-11-01 06:43:05,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:43:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1365 transitions. [2024-11-01 06:43:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-01 06:43:05,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:05,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:43:05,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-01 06:43:05,834 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 [2024-11-01 06:43:05,835 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:05,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1269752147, now seen corresponding path program 1 times [2024-11-01 06:43:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:05,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512638504] [2024-11-01 06:43:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:05,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:05,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:05,838 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) [2024-11-01 06:43:05,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 06:43:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:07,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:43:07,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:07,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:07,620 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:07,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512638504] [2024-11-01 06:43:07,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [512638504] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:07,621 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:07,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:43:07,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229311826] [2024-11-01 06:43:07,621 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:07,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:43:07,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:07,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:43:07,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:07,622 INFO L87 Difference]: Start difference. First operand 946 states and 1365 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:43:11,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:43:12,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:43:12,001 INFO L93 Difference]: Finished difference Result 1020 states and 1455 transitions. [2024-11-01 06:43:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:43:12,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-01 06:43:12,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:43:12,009 INFO L225 Difference]: With dead ends: 1020 [2024-11-01 06:43:12,009 INFO L226 Difference]: Without dead ends: 1016 [2024-11-01 06:43:12,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:12,013 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 653 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:43:12,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 798 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 06:43:12,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-01 06:43:12,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1014. [2024-11-01 06:43:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 698 states have (on average 1.3696275071633237) internal successors, (956), 710 states have internal predecessors, (956), 250 states have call successors, (250), 70 states have call predecessors, (250), 65 states have return successors, (242), 238 states have call predecessors, (242), 238 states have call successors, (242) [2024-11-01 06:43:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1448 transitions. [2024-11-01 06:43:12,105 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1448 transitions. Word has length 15 [2024-11-01 06:43:12,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:43:12,105 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1448 transitions. [2024-11-01 06:43:12,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:43:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1448 transitions. [2024-11-01 06:43:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-01 06:43:12,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:12,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:43:12,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-01 06:43:12,307 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 [2024-11-01 06:43:12,308 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:12,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:12,308 INFO L85 PathProgramCache]: Analyzing trace with hash -708299804, now seen corresponding path program 1 times [2024-11-01 06:43:12,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:12,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875449833] [2024-11-01 06:43:12,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:12,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:12,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:12,310 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) [2024-11-01 06:43:12,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-01 06:43:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:13,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:43:13,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:13,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:14,061 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:14,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875449833] [2024-11-01 06:43:14,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1875449833] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:14,061 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:14,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:43:14,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041220885] [2024-11-01 06:43:14,061 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:14,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:43:14,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:14,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:43:14,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:14,063 INFO L87 Difference]: Start difference. First operand 1014 states and 1448 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:43:18,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:43:18,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:43:18,463 INFO L93 Difference]: Finished difference Result 1190 states and 1669 transitions. [2024-11-01 06:43:18,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:43:18,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-01 06:43:18,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:43:18,472 INFO L225 Difference]: With dead ends: 1190 [2024-11-01 06:43:18,473 INFO L226 Difference]: Without dead ends: 1180 [2024-11-01 06:43:18,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:18,474 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 624 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:43:18,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 926 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 06:43:18,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2024-11-01 06:43:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1177. [2024-11-01 06:43:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 803 states have (on average 1.3499377334993774) internal successors, (1084), 813 states have internal predecessors, (1084), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2024-11-01 06:43:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1653 transitions. [2024-11-01 06:43:18,572 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1653 transitions. Word has length 16 [2024-11-01 06:43:18,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:43:18,573 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1653 transitions. [2024-11-01 06:43:18,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 06:43:18,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1653 transitions. [2024-11-01 06:43:18,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-01 06:43:18,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:18,576 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 06:43:18,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-01 06:43:18,777 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 [2024-11-01 06:43:18,778 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:18,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:18,778 INFO L85 PathProgramCache]: Analyzing trace with hash -261683931, now seen corresponding path program 1 times [2024-11-01 06:43:18,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:18,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722901947] [2024-11-01 06:43:18,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:18,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:18,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:18,780 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) [2024-11-01 06:43:18,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-01 06:43:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:23,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 2406 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 06:43:23,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:24,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:24,795 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:24,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722901947] [2024-11-01 06:43:24,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [722901947] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:24,795 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:24,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-01 06:43:24,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375077268] [2024-11-01 06:43:24,795 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:24,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 06:43:24,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:24,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 06:43:24,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:43:24,797 INFO L87 Difference]: Start difference. First operand 1177 states and 1653 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 06:43:25,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:43:25,269 INFO L93 Difference]: Finished difference Result 2350 states and 3306 transitions. [2024-11-01 06:43:25,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 06:43:25,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-11-01 06:43:25,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:43:25,279 INFO L225 Difference]: With dead ends: 2350 [2024-11-01 06:43:25,279 INFO L226 Difference]: Without dead ends: 1179 [2024-11-01 06:43:25,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:43:25,288 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 0 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:43:25,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4893 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 06:43:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-11-01 06:43:25,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1174. [2024-11-01 06:43:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 800 states have (on average 1.35) internal successors, (1080), 810 states have internal predecessors, (1080), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2024-11-01 06:43:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1649 transitions. [2024-11-01 06:43:25,416 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1649 transitions. Word has length 50 [2024-11-01 06:43:25,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:43:25,418 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1649 transitions. [2024-11-01 06:43:25,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 06:43:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1649 transitions. [2024-11-01 06:43:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-01 06:43:25,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:25,426 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 06:43:25,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-01 06:43:25,626 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 [2024-11-01 06:43:25,627 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:25,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:25,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1508483811, now seen corresponding path program 1 times [2024-11-01 06:43:25,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:25,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331342991] [2024-11-01 06:43:25,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:25,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:25,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:25,629 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) [2024-11-01 06:43:25,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-01 06:43:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:30,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 2412 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 06:43:30,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:31,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:31,771 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:31,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331342991] [2024-11-01 06:43:31,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [331342991] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:31,771 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:31,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-01 06:43:31,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402270487] [2024-11-01 06:43:31,771 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:31,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 06:43:31,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 06:43:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:43:31,773 INFO L87 Difference]: Start difference. First operand 1174 states and 1649 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 06:43:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:43:32,420 INFO L93 Difference]: Finished difference Result 1886 states and 2632 transitions. [2024-11-01 06:43:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 06:43:32,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 51 [2024-11-01 06:43:32,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:43:32,432 INFO L225 Difference]: With dead ends: 1886 [2024-11-01 06:43:32,432 INFO L226 Difference]: Without dead ends: 718 [2024-11-01 06:43:32,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:43:32,442 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 0 mSDsluCounter, 4827 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 06:43:32,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5520 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 06:43:32,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-01 06:43:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 713. [2024-11-01 06:43:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 482 states have (on average 1.3257261410788381) internal successors, (639), 488 states have internal predecessors, (639), 173 states have call successors, (173), 59 states have call predecessors, (173), 57 states have return successors, (169), 169 states have call predecessors, (169), 167 states have call successors, (169) [2024-11-01 06:43:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 981 transitions. [2024-11-01 06:43:32,522 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 981 transitions. Word has length 51 [2024-11-01 06:43:32,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:43:32,523 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 981 transitions. [2024-11-01 06:43:32,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 06:43:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 981 transitions. [2024-11-01 06:43:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-01 06:43:32,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:32,530 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 06:43:32,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-01 06:43:32,730 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 [2024-11-01 06:43:32,731 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:32,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:32,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1298535700, now seen corresponding path program 1 times [2024-11-01 06:43:32,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:32,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167649246] [2024-11-01 06:43:32,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:32,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:32,735 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) [2024-11-01 06:43:32,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-01 06:43:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:34,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 06:43:34,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:43:34,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 06:43:35,026 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:35,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167649246] [2024-11-01 06:43:35,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [167649246] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:35,027 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:35,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:43:35,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836691212] [2024-11-01 06:43:35,027 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:35,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:43:35,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:35,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:43:35,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:35,028 INFO L87 Difference]: Start difference. First operand 713 states and 981 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 06:43:39,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:43:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:43:39,415 INFO L93 Difference]: Finished difference Result 715 states and 982 transitions. [2024-11-01 06:43:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:43:39,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-11-01 06:43:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:43:39,422 INFO L225 Difference]: With dead ends: 715 [2024-11-01 06:43:39,422 INFO L226 Difference]: Without dead ends: 712 [2024-11-01 06:43:39,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:39,424 INFO L432 NwaCegarLoop]: 731 mSDtfsCounter, 70 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:43:39,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 1378 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 06:43:39,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-01 06:43:39,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-01 06:43:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 482 states have (on average 1.3195020746887967) internal successors, (636), 487 states have internal predecessors, (636), 172 states have call successors, (172), 59 states have call predecessors, (172), 57 states have return successors, (169), 169 states have call predecessors, (169), 167 states have call successors, (169) [2024-11-01 06:43:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 977 transitions. [2024-11-01 06:43:39,486 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 977 transitions. Word has length 54 [2024-11-01 06:43:39,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:43:39,486 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 977 transitions. [2024-11-01 06:43:39,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 06:43:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 977 transitions. [2024-11-01 06:43:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-01 06:43:39,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:39,489 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 06:43:39,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-01 06:43:39,690 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 [2024-11-01 06:43:39,690 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:39,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:39,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1241243572, now seen corresponding path program 1 times [2024-11-01 06:43:39,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:39,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738119252] [2024-11-01 06:43:39,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:39,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:39,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:39,694 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) [2024-11-01 06:43:39,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-01 06:43:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:41,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 06:43:41,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 06:43:42,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 06:43:42,971 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:42,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738119252] [2024-11-01 06:43:42,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1738119252] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:42,971 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:42,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:43:42,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981747145] [2024-11-01 06:43:42,972 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:42,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:43:42,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:42,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:43:42,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:42,973 INFO L87 Difference]: Start difference. First operand 712 states and 977 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 06:43:47,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:43:47,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:43:47,375 INFO L93 Difference]: Finished difference Result 714 states and 978 transitions. [2024-11-01 06:43:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:43:47,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 71 [2024-11-01 06:43:47,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:43:47,381 INFO L225 Difference]: With dead ends: 714 [2024-11-01 06:43:47,382 INFO L226 Difference]: Without dead ends: 711 [2024-11-01 06:43:47,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:47,383 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 130 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:43:47,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1377 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 06:43:47,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-01 06:43:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2024-11-01 06:43:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 482 states have (on average 1.3174273858921162) internal successors, (635), 486 states have internal predecessors, (635), 171 states have call successors, (171), 59 states have call predecessors, (171), 57 states have return successors, (169), 169 states have call predecessors, (169), 167 states have call successors, (169) [2024-11-01 06:43:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 975 transitions. [2024-11-01 06:43:47,443 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 975 transitions. Word has length 71 [2024-11-01 06:43:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:43:47,444 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 975 transitions. [2024-11-01 06:43:47,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 06:43:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 975 transitions. [2024-11-01 06:43:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-01 06:43:47,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:43:47,447 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 06:43:47,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-01 06:43:47,647 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 [2024-11-01 06:43:47,648 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:43:47,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:43:47,649 INFO L85 PathProgramCache]: Analyzing trace with hash 214508004, now seen corresponding path program 1 times [2024-11-01 06:43:47,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:43:47,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018293523] [2024-11-01 06:43:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:43:47,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:43:47,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:43:47,652 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) [2024-11-01 06:43:47,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-01 06:43:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:43:49,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 2497 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 06:43:49,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:43:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 06:43:50,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:43:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 06:43:50,871 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:43:50,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018293523] [2024-11-01 06:43:50,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2018293523] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:43:50,872 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:43:50,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:43:50,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429552244] [2024-11-01 06:43:50,872 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:43:50,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:43:50,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:43:50,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:43:50,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:43:50,873 INFO L87 Difference]: Start difference. First operand 711 states and 975 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)