/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 bitwuzla -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-b75d321-m [2024-11-05 11:29:32,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:29:32,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:29:32,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:29:32,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:29:32,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:29:32,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:29:32,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:29:32,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:29:32,639 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:29:32,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:29:32,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:29:32,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:29:32,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:29:32,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:29:32,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:29:32,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:29:32,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:29:32,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:29:32,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:29:32,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:29:32,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:29:32,647 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:29:32,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:29:32,647 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:29:32,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:29:32,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:29:32,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:29:32,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:29:32,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:29:32,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:29:32,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:29:32,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:29:32,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:29:32,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:29:32,649 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:29:32,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:29:32,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:29:32,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:29:32,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:29:32,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:29:32,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:29:32,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:29:32,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:29:32,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:29:32,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:29:32,899 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:29:32,900 INFO L431 ainManager$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 [2024-11-05 11:29:34,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:29:34,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:29:34,614 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 [2024-11-05 11:29:34,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16824e8d8/a3e697b51d2c44f6a94bb843c748bb23/FLAG8d2aa5816 [2024-11-05 11:29:34,828 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16824e8d8/a3e697b51d2c44f6a94bb843c748bb23 [2024-11-05 11:29:34,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:29:34,832 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:29:34,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:29:34,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:29:34,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:29:34,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:29:34" (1/1) ... [2024-11-05 11:29:34,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bea4d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:34, skipping insertion in model container [2024-11-05 11:29:34,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:29:34" (1/1) ... [2024-11-05 11:29:34,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:29:35,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:29:35,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:29:35,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:29:35,809 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:29:35,967 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-05 11:29:36,092 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:29:36,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:29:36,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:29:36,443 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-05 11:29:36,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:29:36,552 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:29:36,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36 WrapperNode [2024-11-05 11:29:36,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:29:36,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:29:36,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:29:36,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:29:36,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:36,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:36,788 INFO L138 Inliner]: procedures = 186, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3128 [2024-11-05 11:29:36,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:29:36,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:29:36,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:29:36,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:29:36,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:36,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:36,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:36,909 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 1, 2, 5, 5, 46, 3, 4, 1025, 5, 1020, 15, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 0, 0, 5, 5, 0, 3, 4, 1020, 0, 1020, 0, 0]. The 45 writes are split as follows [0, 1, 1, 0, 0, 8, 0, 0, 2, 3, 0, 15, 15]. [2024-11-05 11:29:36,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:36,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:37,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:37,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:37,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:37,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:37,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:29:37,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:29:37,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:29:37,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:29:37,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (1/1) ... [2024-11-05 11:29:37,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:29:37,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:29:37,144 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) [2024-11-05 11:29:37,152 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 [2024-11-05 11:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2024-11-05 11:29:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2024-11-05 11:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:29:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-05 11:29:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:29:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:29:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:29:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:29:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:29:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:29:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 11:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 11:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 11:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-05 11:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-05 11:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-05 11:29:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 11:29:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:29:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-05 11:29:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-05 11:29:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-05 11:29:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2024-11-05 11:29:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2024-11-05 11:29:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-05 11:29:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-05 11:29:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2024-11-05 11:29:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2024-11-05 11:29:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2024-11-05 11:29:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2024-11-05 11:29:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2024-11-05 11:29:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2024-11-05 11:29:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-05 11:29:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-05 11:29:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2024-11-05 11:29:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2024-11-05 11:29:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2024-11-05 11:29:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2024-11-05 11:29:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2024-11-05 11:29:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-05 11:29:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:29:37,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 11:29:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-05 11:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-05 11:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-05 11:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 11:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 11:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 11:29:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-05 11:29:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-05 11:29:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-05 11:29:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-05 11:29:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-05 11:29:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2024-11-05 11:29:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2024-11-05 11:29:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2024-11-05 11:29:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2024-11-05 11:29:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-05 11:29:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-05 11:29:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:29:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2024-11-05 11:29:37,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2024-11-05 11:29:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:29:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 11:29:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 11:29:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 11:29:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 11:29:37,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2024-11-05 11:29:37,201 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2024-11-05 11:29:37,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2024-11-05 11:29:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-05 11:29:37,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-05 11:29:37,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:29:37,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:29:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 11:29:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-05 11:29:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-05 11:29:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 11:29:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 11:29:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 11:29:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 11:29:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 11:29:37,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 11:29:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 11:29:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 11:29:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 11:29:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 11:29:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-05 11:29:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-05 11:29:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-05 11:29:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-11-05 11:29:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-11-05 11:29:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-11-05 11:29:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-11-05 11:29:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-11-05 11:29:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-11-05 11:29:37,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-11-05 11:29:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-11-05 11:29:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-11-05 11:29:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-11-05 11:29:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2024-11-05 11:29:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2024-11-05 11:29:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 11:29:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 11:29:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-05 11:29:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-05 11:29:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2024-11-05 11:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2024-11-05 11:29:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-05 11:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-05 11:29:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2024-11-05 11:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2024-11-05 11:29:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:29:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:29:37,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:29:37,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:29:51,575 INFO L? ?]: Removed 686 outVars from TransFormulas that were not future-live. [2024-11-05 11:29:51,575 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:29:51,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:29:51,604 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 11:29:51,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:29:51 BoogieIcfgContainer [2024-11-05 11:29:51,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:29:51,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:29:51,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:29:51,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:29:51,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:29:34" (1/3) ... [2024-11-05 11:29:51,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3712907f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:29:51, skipping insertion in model container [2024-11-05 11:29:51,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:29:36" (2/3) ... [2024-11-05 11:29:51,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3712907f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:29:51, skipping insertion in model container [2024-11-05 11:29:51,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:29:51" (3/3) ... [2024-11-05 11:29:51,614 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-05 11:29:51,627 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:29:51,628 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:29:51,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:29:51,707 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;@3b205653, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:29:51,707 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:29:51,713 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) [2024-11-05 11:29:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-05 11:29:51,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:29:51,723 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:29:51,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:29:51,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:29:51,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1426004258, now seen corresponding path program 1 times [2024-11-05 11:29:51,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:29:51,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77702518] [2024-11-05 11:29:51,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:29:51,742 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:29:51,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:29:51,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:29:51,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:29:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:29:52,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:29:52,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:29:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:29:52,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:29:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:29:52,892 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:29:52,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77702518] [2024-11-05 11:29:52,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [77702518] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:29:52,892 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:29:52,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:29:52,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653147206] [2024-11-05 11:29:52,894 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:29:52,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:29:52,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:29:52,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:29:52,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:29:52,916 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) [2024-11-05 11:29:57,151 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 [] [2024-11-05 11:29:57,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:29:57,267 INFO L93 Difference]: Finished difference Result 1007 states and 1536 transitions. [2024-11-05 11:29:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:29:57,269 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 [2024-11-05 11:29:57,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:29:57,280 INFO L225 Difference]: With dead ends: 1007 [2024-11-05 11:29:57,280 INFO L226 Difference]: Without dead ends: 499 [2024-11-05 11:29:57,287 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 [2024-11-05 11:29:57,289 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 714 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:29:57,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 724 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-05 11:29:57,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-05 11:29:57,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-05 11:29:57,354 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) [2024-11-05 11:29:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 717 transitions. [2024-11-05 11:29:57,361 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 717 transitions. Word has length 12 [2024-11-05 11:29:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:29:57,361 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 717 transitions. [2024-11-05 11:29:57,361 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) [2024-11-05 11:29:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 717 transitions. [2024-11-05 11:29:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-05 11:29:57,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:29:57,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:29:57,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:29:57,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:29:57,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:29:57,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:29:57,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1257162550, now seen corresponding path program 1 times [2024-11-05 11:29:57,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:29:57,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144225158] [2024-11-05 11:29:57,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:29:57,564 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:29:57,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:29:57,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:29:57,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:29:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:29:58,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 2313 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:29:58,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:29:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:29:58,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:29:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:29:58,714 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:29:58,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144225158] [2024-11-05 11:29:58,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1144225158] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:29:58,715 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:29:58,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:29:58,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828393390] [2024-11-05 11:29:58,715 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:29:58,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:29:58,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:29:58,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:29:58,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:29:58,717 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) [2024-11-05 11:30:02,947 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 [] [2024-11-05 11:30:03,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:03,023 INFO L93 Difference]: Finished difference Result 501 states and 718 transitions. [2024-11-05 11:30:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:30:03,024 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 [2024-11-05 11:30:03,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:03,026 INFO L225 Difference]: With dead ends: 501 [2024-11-05 11:30:03,027 INFO L226 Difference]: Without dead ends: 498 [2024-11-05 11:30:03,027 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 [2024-11-05 11:30:03,028 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 705 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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 [2024-11-05 11:30:03,028 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] [2024-11-05 11:30:03,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-05 11:30:03,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2024-11-05 11:30:03,058 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) [2024-11-05 11:30:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 715 transitions. [2024-11-05 11:30:03,061 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 715 transitions. Word has length 13 [2024-11-05 11:30:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:03,062 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 715 transitions. [2024-11-05 11:30:03,062 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) [2024-11-05 11:30:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 715 transitions. [2024-11-05 11:30:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-05 11:30:03,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:03,062 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:30:03,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 11:30:03,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:03,267 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:03,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:03,267 INFO L85 PathProgramCache]: Analyzing trace with hash -318032031, now seen corresponding path program 1 times [2024-11-05 11:30:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:03,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873832609] [2024-11-05 11:30:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:03,267 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:03,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:03,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:03,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:30:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:04,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:30:04,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:04,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:04,456 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:04,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873832609] [2024-11-05 11:30:04,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [873832609] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:04,456 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:04,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:30:04,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170242939] [2024-11-05 11:30:04,456 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:04,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:30:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:04,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:30:04,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:30:04,457 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) [2024-11-05 11:30:08,675 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 [] [2024-11-05 11:30:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:08,817 INFO L93 Difference]: Finished difference Result 1445 states and 2086 transitions. [2024-11-05 11:30:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:30:08,818 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 [2024-11-05 11:30:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:08,822 INFO L225 Difference]: With dead ends: 1445 [2024-11-05 11:30:08,822 INFO L226 Difference]: Without dead ends: 953 [2024-11-05 11:30:08,824 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 [2024-11-05 11:30:08,825 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 [2024-11-05 11:30:08,825 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] [2024-11-05 11:30:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-05 11:30:08,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 946. [2024-11-05 11:30:08,868 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) [2024-11-05 11:30:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1365 transitions. [2024-11-05 11:30:08,876 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1365 transitions. Word has length 14 [2024-11-05 11:30:08,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:08,876 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1365 transitions. [2024-11-05 11:30:08,877 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) [2024-11-05 11:30:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1365 transitions. [2024-11-05 11:30:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-05 11:30:08,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:08,878 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:30:08,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:30:09,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:09,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:09,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:09,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1269752147, now seen corresponding path program 1 times [2024-11-05 11:30:09,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:09,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502550618] [2024-11-05 11:30:09,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:09,082 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:09,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:09,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:09,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:30:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:09,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:30:09,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:09,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:10,089 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:10,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502550618] [2024-11-05 11:30:10,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [502550618] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:10,089 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:10,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:30:10,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765713028] [2024-11-05 11:30:10,090 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:10,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:30:10,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:10,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:30:10,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:30:10,091 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) [2024-11-05 11:30:14,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:30:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:14,397 INFO L93 Difference]: Finished difference Result 1020 states and 1455 transitions. [2024-11-05 11:30:14,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:30:14,398 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 [2024-11-05 11:30:14,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:14,404 INFO L225 Difference]: With dead ends: 1020 [2024-11-05 11:30:14,404 INFO L226 Difference]: Without dead ends: 1016 [2024-11-05 11:30:14,405 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 [2024-11-05 11:30:14,406 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 653 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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 [2024-11-05 11:30:14,406 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] [2024-11-05 11:30:14,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-05 11:30:14,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1014. [2024-11-05 11:30:14,539 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) [2024-11-05 11:30:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1448 transitions. [2024-11-05 11:30:14,548 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1448 transitions. Word has length 15 [2024-11-05 11:30:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:14,548 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1448 transitions. [2024-11-05 11:30:14,548 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) [2024-11-05 11:30:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1448 transitions. [2024-11-05 11:30:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-05 11:30:14,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:14,549 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:30:14,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:30:14,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:14,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:14,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:14,753 INFO L85 PathProgramCache]: Analyzing trace with hash -708299804, now seen corresponding path program 1 times [2024-11-05 11:30:14,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:14,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48066207] [2024-11-05 11:30:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:14,754 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:14,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:14,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:14,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:30:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:15,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:30:15,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:15,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:15,753 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:15,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48066207] [2024-11-05 11:30:15,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [48066207] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:15,753 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:15,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:30:15,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227608036] [2024-11-05 11:30:15,753 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:15,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:30:15,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:15,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:30:15,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:30:15,754 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) [2024-11-05 11:30:19,974 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 [] [2024-11-05 11:30:20,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:20,105 INFO L93 Difference]: Finished difference Result 1190 states and 1669 transitions. [2024-11-05 11:30:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:30:20,106 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 [2024-11-05 11:30:20,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:20,111 INFO L225 Difference]: With dead ends: 1190 [2024-11-05 11:30:20,111 INFO L226 Difference]: Without dead ends: 1180 [2024-11-05 11:30:20,111 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 [2024-11-05 11:30:20,112 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 624 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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 [2024-11-05 11:30:20,112 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] [2024-11-05 11:30:20,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2024-11-05 11:30:20,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1177. [2024-11-05 11:30:20,164 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) [2024-11-05 11:30:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1653 transitions. [2024-11-05 11:30:20,170 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1653 transitions. Word has length 16 [2024-11-05 11:30:20,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:20,170 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1653 transitions. [2024-11-05 11:30:20,170 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) [2024-11-05 11:30:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1653 transitions. [2024-11-05 11:30:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-05 11:30:20,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:20,173 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] [2024-11-05 11:30:20,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:30:20,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:20,377 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:20,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:20,377 INFO L85 PathProgramCache]: Analyzing trace with hash -261683931, now seen corresponding path program 1 times [2024-11-05 11:30:20,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:20,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143769851] [2024-11-05 11:30:20,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:20,377 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:20,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:20,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:20,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:30:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:21,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 2406 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:30:21,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:21,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:22,117 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:22,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143769851] [2024-11-05 11:30:22,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1143769851] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:22,117 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:22,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-05 11:30:22,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403510363] [2024-11-05 11:30:22,118 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:22,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:30:22,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:22,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:30:22,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:30:22,119 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) [2024-11-05 11:30:22,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:22,484 INFO L93 Difference]: Finished difference Result 2350 states and 3306 transitions. [2024-11-05 11:30:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 11:30:22,490 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 [2024-11-05 11:30:22,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:22,496 INFO L225 Difference]: With dead ends: 2350 [2024-11-05 11:30:22,497 INFO L226 Difference]: Without dead ends: 1179 [2024-11-05 11:30:22,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:30:22,504 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 [2024-11-05 11:30:22,504 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] [2024-11-05 11:30:22,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-11-05 11:30:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1174. [2024-11-05 11:30:22,573 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) [2024-11-05 11:30:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1649 transitions. [2024-11-05 11:30:22,580 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1649 transitions. Word has length 50 [2024-11-05 11:30:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:22,580 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1649 transitions. [2024-11-05 11:30:22,580 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) [2024-11-05 11:30:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1649 transitions. [2024-11-05 11:30:22,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-05 11:30:22,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:22,582 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] [2024-11-05 11:30:22,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:30:22,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:22,783 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:22,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:22,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1508483811, now seen corresponding path program 1 times [2024-11-05 11:30:22,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:22,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322420396] [2024-11-05 11:30:22,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:22,784 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:22,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:22,788 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:22,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:30:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:23,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 2412 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:30:23,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:23,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:24,457 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:24,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322420396] [2024-11-05 11:30:24,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [322420396] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:24,457 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:24,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-05 11:30:24,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106016961] [2024-11-05 11:30:24,457 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:24,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:30:24,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:24,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:30:24,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:30:24,459 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) [2024-11-05 11:30:25,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:25,005 INFO L93 Difference]: Finished difference Result 1886 states and 2632 transitions. [2024-11-05 11:30:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 11:30:25,006 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 [2024-11-05 11:30:25,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:25,011 INFO L225 Difference]: With dead ends: 1886 [2024-11-05 11:30:25,011 INFO L226 Difference]: Without dead ends: 718 [2024-11-05 11:30:25,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:30:25,017 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 0 mSDsluCounter, 4827 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-05 11:30:25,017 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] [2024-11-05 11:30:25,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-05 11:30:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 713. [2024-11-05 11:30:25,055 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) [2024-11-05 11:30:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 981 transitions. [2024-11-05 11:30:25,066 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 981 transitions. Word has length 51 [2024-11-05 11:30:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:25,066 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 981 transitions. [2024-11-05 11:30:25,066 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) [2024-11-05 11:30:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 981 transitions. [2024-11-05 11:30:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-05 11:30:25,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:25,068 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] [2024-11-05 11:30:25,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:30:25,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:25,269 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:25,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:25,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1298535700, now seen corresponding path program 1 times [2024-11-05 11:30:25,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:25,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300828514] [2024-11-05 11:30:25,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:25,303 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:25,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:25,312 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:25,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:30:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:26,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:30:26,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:26,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:30:26,349 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 11:30:26,674 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:26,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300828514] [2024-11-05 11:30:26,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1300828514] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:26,674 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:26,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:30:26,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935473330] [2024-11-05 11:30:26,674 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:26,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:30:26,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:26,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:30:26,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:30:26,675 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) [2024-11-05 11:30:30,899 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 [] [2024-11-05 11:30:31,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:31,039 INFO L93 Difference]: Finished difference Result 715 states and 982 transitions. [2024-11-05 11:30:31,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:30:31,039 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 [2024-11-05 11:30:31,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:31,047 INFO L225 Difference]: With dead ends: 715 [2024-11-05 11:30:31,047 INFO L226 Difference]: Without dead ends: 712 [2024-11-05 11:30:31,047 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 [2024-11-05 11:30:31,048 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 [2024-11-05 11:30:31,048 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] [2024-11-05 11:30:31,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-05 11:30:31,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-05 11:30:31,114 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) [2024-11-05 11:30:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 977 transitions. [2024-11-05 11:30:31,116 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 977 transitions. Word has length 54 [2024-11-05 11:30:31,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:31,117 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 977 transitions. [2024-11-05 11:30:31,117 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) [2024-11-05 11:30:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 977 transitions. [2024-11-05 11:30:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-05 11:30:31,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:31,126 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] [2024-11-05 11:30:31,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Ended with exit code 0 [2024-11-05 11:30:31,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:31,326 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:31,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:31,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1241243572, now seen corresponding path program 1 times [2024-11-05 11:30:31,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:31,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138511846] [2024-11-05 11:30:31,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:31,327 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:31,329 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:31,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-05 11:30:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:32,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:30:32,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 11:30:32,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 11:30:33,156 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:33,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138511846] [2024-11-05 11:30:33,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2138511846] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:33,157 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:33,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:30:33,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281967599] [2024-11-05 11:30:33,157 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:33,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:30:33,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:33,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:30:33,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:30:33,158 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) [2024-11-05 11:30:37,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:30:37,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:37,449 INFO L93 Difference]: Finished difference Result 714 states and 978 transitions. [2024-11-05 11:30:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:30:37,449 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 [2024-11-05 11:30:37,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:37,452 INFO L225 Difference]: With dead ends: 714 [2024-11-05 11:30:37,452 INFO L226 Difference]: Without dead ends: 711 [2024-11-05 11:30:37,453 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 [2024-11-05 11:30:37,453 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 130 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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 [2024-11-05 11:30:37,453 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] [2024-11-05 11:30:37,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-05 11:30:37,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2024-11-05 11:30:37,484 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) [2024-11-05 11:30:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 975 transitions. [2024-11-05 11:30:37,486 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 975 transitions. Word has length 71 [2024-11-05 11:30:37,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:37,486 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 975 transitions. [2024-11-05 11:30:37,487 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) [2024-11-05 11:30:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 975 transitions. [2024-11-05 11:30:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-05 11:30:37,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:37,488 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:30:37,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Ended with exit code 0 [2024-11-05 11:30:37,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:37,689 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:37,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:37,692 INFO L85 PathProgramCache]: Analyzing trace with hash -16943410, now seen corresponding path program 1 times [2024-11-05 11:30:37,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:37,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368717599] [2024-11-05 11:30:37,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:37,692 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:37,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:37,694 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:37,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-05 11:30:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:38,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 2516 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 11:30:38,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 11:30:39,132 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 11:30:39,913 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:39,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368717599] [2024-11-05 11:30:39,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1368717599] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:39,913 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:39,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:30:39,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832946732] [2024-11-05 11:30:39,913 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:39,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:30:39,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:39,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:30:39,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:30:39,914 INFO L87 Difference]: Start difference. First operand 711 states and 975 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 11:30:44,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:30:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:44,243 INFO L93 Difference]: Finished difference Result 714 states and 977 transitions. [2024-11-05 11:30:44,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:30:44,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 86 [2024-11-05 11:30:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:44,248 INFO L225 Difference]: With dead ends: 714 [2024-11-05 11:30:44,248 INFO L226 Difference]: Without dead ends: 711 [2024-11-05 11:30:44,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:30:44,249 INFO L432 NwaCegarLoop]: 778 mSDtfsCounter, 108 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:30:44,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1430 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-05 11:30:44,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-05 11:30:44,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2024-11-05 11:30:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 482 states have (on average 1.3153526970954357) internal successors, (634), 486 states have internal predecessors, (634), 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) [2024-11-05 11:30:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 974 transitions. [2024-11-05 11:30:44,287 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 974 transitions. Word has length 86 [2024-11-05 11:30:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:44,288 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 974 transitions. [2024-11-05 11:30:44,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 11:30:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 974 transitions. [2024-11-05 11:30:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-05 11:30:44,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:44,293 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:30:44,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Forceful destruction successful, exit code 0 [2024-11-05 11:30:44,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:44,493 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:44,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:44,494 INFO L85 PathProgramCache]: Analyzing trace with hash -559699656, now seen corresponding path program 1 times [2024-11-05 11:30:44,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:44,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403134491] [2024-11-05 11:30:44,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:44,494 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:44,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:44,495 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:44,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-05 11:30:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:45,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 2636 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-05 11:30:45,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:30:46,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-05 11:30:47,565 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:47,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403134491] [2024-11-05 11:30:47,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1403134491] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:47,565 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:47,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2024-11-05 11:30:47,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074698772] [2024-11-05 11:30:47,565 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:47,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 11:30:47,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:47,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 11:30:47,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:30:47,566 INFO L87 Difference]: Start difference. First operand 711 states and 974 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-05 11:30:47,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:47,907 INFO L93 Difference]: Finished difference Result 1416 states and 1944 transitions. [2024-11-05 11:30:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 11:30:47,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 136 [2024-11-05 11:30:47,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:47,911 INFO L225 Difference]: With dead ends: 1416 [2024-11-05 11:30:47,911 INFO L226 Difference]: Without dead ends: 711 [2024-11-05 11:30:47,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:30:47,914 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 1 mSDsluCounter, 3427 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4117 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:30:47,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4117 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 11:30:47,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-05 11:30:47,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 710. [2024-11-05 11:30:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 483 states have (on average 1.3126293995859213) internal successors, (634), 486 states have internal predecessors, (634), 169 states have call successors, (169), 59 states have call predecessors, (169), 57 states have return successors, (168), 168 states have call predecessors, (168), 166 states have call successors, (168) [2024-11-05 11:30:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 971 transitions. [2024-11-05 11:30:47,949 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 971 transitions. Word has length 136 [2024-11-05 11:30:47,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:47,949 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 971 transitions. [2024-11-05 11:30:47,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-05 11:30:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 971 transitions. [2024-11-05 11:30:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-05 11:30:47,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:30:47,951 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:30:48,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Ended with exit code 0 [2024-11-05 11:30:48,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:48,154 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:30:48,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:30:48,154 INFO L85 PathProgramCache]: Analyzing trace with hash 926842209, now seen corresponding path program 1 times [2024-11-05 11:30:48,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:30:48,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132444936] [2024-11-05 11:30:48,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:30:48,155 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:30:48,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:48,157 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:30:48,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Waiting until timeout for monitored process [2024-11-05 11:30:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:30:49,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-05 11:30:49,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:30:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-05 11:30:49,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:30:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-05 11:30:50,744 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:30:50,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132444936] [2024-11-05 11:30:50,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1132444936] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:30:50,744 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:30:50,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2024-11-05 11:30:50,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311879395] [2024-11-05 11:30:50,745 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:30:50,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 11:30:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:30:50,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 11:30:50,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:30:50,746 INFO L87 Difference]: Start difference. First operand 710 states and 971 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-05 11:30:51,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:30:51,060 INFO L93 Difference]: Finished difference Result 766 states and 1037 transitions. [2024-11-05 11:30:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 11:30:51,061 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) Word has length 133 [2024-11-05 11:30:51,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:30:51,062 INFO L225 Difference]: With dead ends: 766 [2024-11-05 11:30:51,062 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 11:30:51,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-05 11:30:51,064 INFO L432 NwaCegarLoop]: 687 mSDtfsCounter, 1 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:30:51,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4099 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 11:30:51,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 11:30:51,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 11:30:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:30:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 11:30:51,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2024-11-05 11:30:51,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:30:51,065 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 11:30:51,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-05 11:30:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 11:30:51,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 11:30:51,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 11:30:51,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Forceful destruction successful, exit code 0 [2024-11-05 11:30:51,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:30:51,270 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:30:51,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.