/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:26:14,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:26:14,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:26:14,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:26:14,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:26:14,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:26:14,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:26:14,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:26:14,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:26:14,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:26:14,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:26:14,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:26:14,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:26:14,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:26:14,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:26:14,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:26:14,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:26:14,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:26:14,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:26:14,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:26:14,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:26:14,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:26:14,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:26:14,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:26:14,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:26:14,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:26:14,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:26:14,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:26:14,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:26:14,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:26:14,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:26:14,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:26:14,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:26:14,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:26:14,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:26:14,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:26:14,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:26:14,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:26:14,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:26:14,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:26:14,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:26:14,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:26:14,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:26:14,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:26:14,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:26:14,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:26:14,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:26:14,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:26:14,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:26:14,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:26:14,474 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:26:14,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:26:14,477 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:26:14,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:26:14,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:26:14,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:26:14,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:26:14,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:26:14,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:26:14,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:26:14,480 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:26:14,481 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:26:14,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:26:14,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:26:14,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:26:14,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:26:14,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:26:14,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:26:14,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:26:14,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:26:14,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:26:14,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:26:14,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:26:14,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:26:14,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:26:14,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:26:14,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:26:14,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:26:14,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:26:14,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:26:14,955 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:26:14,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-10-16 13:26:15,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5f8e0d3/ec605ac6a59b4a919d79f48c059192e5/FLAG592c3e388 [2022-10-16 13:26:16,142 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:26:16,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-10-16 13:26:16,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5f8e0d3/ec605ac6a59b4a919d79f48c059192e5/FLAG592c3e388 [2022-10-16 13:26:16,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa5f8e0d3/ec605ac6a59b4a919d79f48c059192e5 [2022-10-16 13:26:16,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:26:16,535 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:26:16,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:26:16,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:26:16,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:26:16,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:26:16" (1/1) ... [2022-10-16 13:26:16,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6456e808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:16, skipping insertion in model container [2022-10-16 13:26:16,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:26:16" (1/1) ... [2022-10-16 13:26:16,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:26:16,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:26:17,431 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4000] [2022-10-16 13:26:17,432 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4001-4002] [2022-10-16 13:26:17,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[120384,120397] [2022-10-16 13:26:20,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:26:20,367 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:26:20,482 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4000] [2022-10-16 13:26:20,485 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4001-4002] [2022-10-16 13:26:20,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[120384,120397] [2022-10-16 13:26:21,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:26:21,385 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:26:21,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21 WrapperNode [2022-10-16 13:26:21,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:26:21,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:26:21,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:26:21,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:26:21,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:21,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:22,384 INFO L138 Inliner]: procedures = 309, calls = 6113, calls flagged for inlining = 153, calls inlined = 151, statements flattened = 14462 [2022-10-16 13:26:22,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:26:22,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:26:22,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:26:22,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:26:22,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:22,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:22,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:22,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:23,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:23,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:23,535 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:23,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:23,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:26:23,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:26:23,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:26:23,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:26:23,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (1/1) ... [2022-10-16 13:26:23,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:26:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:26:23,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:26:23,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:26:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-10-16 13:26:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-10-16 13:26:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-10-16 13:26:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-10-16 13:26:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-10-16 13:26:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-10-16 13:26:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 13:26:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 13:26:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:26:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:26:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:26:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:26:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-10-16 13:26:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-10-16 13:26:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-10-16 13:26:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-10-16 13:26:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-10-16 13:26:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-10-16 13:26:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-10-16 13:26:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-10-16 13:26:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-10-16 13:26:23,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-10-16 13:26:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:26:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:26:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:26:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:26:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-10-16 13:26:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-10-16 13:26:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-10-16 13:26:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-10-16 13:26:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___0 [2022-10-16 13:26:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___0 [2022-10-16 13:26:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-10-16 13:26:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-10-16 13:26:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___1 [2022-10-16 13:26:23,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___1 [2022-10-16 13:26:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:26:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:26:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-10-16 13:26:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-10-16 13:26:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-10-16 13:26:23,918 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-10-16 13:26:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-10-16 13:26:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-10-16 13:26:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-10-16 13:26:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-10-16 13:26:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:26:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:26:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:26:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:26:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-10-16 13:26:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-10-16 13:26:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-16 13:26:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-16 13:26:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-10-16 13:26:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-10-16 13:26:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush___1 [2022-10-16 13:26:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush___1 [2022-10-16 13:26:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-10-16 13:26:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-10-16 13:26:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2022-10-16 13:26:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2022-10-16 13:26:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___1 [2022-10-16 13:26:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___1 [2022-10-16 13:26:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___0 [2022-10-16 13:26:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___0 [2022-10-16 13:26:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___3 [2022-10-16 13:26:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___3 [2022-10-16 13:26:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-10-16 13:26:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-10-16 13:26:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:26:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:26:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-16 13:26:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-16 13:26:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-10-16 13:26:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-10-16 13:26:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP___0 [2022-10-16 13:26:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP___0 [2022-10-16 13:26:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:26:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:26:23,928 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-10-16 13:26:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-10-16 13:26:23,929 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-10-16 13:26:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-10-16 13:26:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:26:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-16 13:26:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-16 13:26:23,930 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-10-16 13:26:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-10-16 13:26:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep___0 [2022-10-16 13:26:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep___0 [2022-10-16 13:26:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-16 13:26:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-16 13:26:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:26:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-10-16 13:26:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-10-16 13:26:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 13:26:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 13:26:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-10-16 13:26:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-10-16 13:26:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-10-16 13:26:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-10-16 13:26:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-10-16 13:26:23,933 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-10-16 13:26:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 13:26:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 13:26:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-10-16 13:26:23,934 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-10-16 13:26:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-10-16 13:26:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-10-16 13:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:26:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-10-16 13:26:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-10-16 13:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-10-16 13:26:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-10-16 13:26:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 13:26:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 13:26:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:26:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-10-16 13:26:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-10-16 13:26:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-16 13:26:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-16 13:26:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-10-16 13:26:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-10-16 13:26:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-10-16 13:26:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-10-16 13:26:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:26:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP___1 [2022-10-16 13:26:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP___1 [2022-10-16 13:26:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-10-16 13:26:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-10-16 13:26:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-10-16 13:26:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-10-16 13:26:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-16 13:26:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-16 13:26:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-10-16 13:26:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-10-16 13:26:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:26:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:26:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-10-16 13:26:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-10-16 13:26:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___2 [2022-10-16 13:26:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___2 [2022-10-16 13:26:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___1 [2022-10-16 13:26:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___1 [2022-10-16 13:26:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-10-16 13:26:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-10-16 13:26:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___0 [2022-10-16 13:26:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___0 [2022-10-16 13:26:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-10-16 13:26:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-10-16 13:26:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-10-16 13:26:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-10-16 13:26:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:26:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:26:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-10-16 13:26:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-10-16 13:26:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-10-16 13:26:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-10-16 13:26:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:26:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-16 13:26:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-16 13:26:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-10-16 13:26:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-10-16 13:26:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___3 [2022-10-16 13:26:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___3 [2022-10-16 13:26:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-10-16 13:26:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-10-16 13:26:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___1 [2022-10-16 13:26:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___1 [2022-10-16 13:26:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___0 [2022-10-16 13:26:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___0 [2022-10-16 13:26:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:26:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:26:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-10-16 13:26:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-10-16 13:26:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-10-16 13:26:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-10-16 13:26:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:26:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-16 13:26:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-16 13:26:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:26:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-10-16 13:26:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-10-16 13:26:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 13:26:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 13:26:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:26:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-10-16 13:26:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-10-16 13:26:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-16 13:26:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-16 13:26:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-10-16 13:26:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-10-16 13:26:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-10-16 13:26:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-10-16 13:26:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-10-16 13:26:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-10-16 13:26:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-10-16 13:26:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-10-16 13:26:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-10-16 13:26:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-10-16 13:26:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 13:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 13:26:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___3 [2022-10-16 13:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___3 [2022-10-16 13:26:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___1 [2022-10-16 13:26:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___1 [2022-10-16 13:26:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___0 [2022-10-16 13:26:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___0 [2022-10-16 13:26:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-10-16 13:26:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-10-16 13:26:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 13:26:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 13:26:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-10-16 13:26:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-10-16 13:26:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-10-16 13:26:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-10-16 13:26:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-16 13:26:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-16 13:26:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-10-16 13:26:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-10-16 13:26:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-10-16 13:26:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-10-16 13:26:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-16 13:26:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-16 13:26:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-10-16 13:26:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-10-16 13:26:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:26:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-10-16 13:26:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-10-16 13:26:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-10-16 13:26:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-10-16 13:26:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-10-16 13:26:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-10-16 13:26:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-10-16 13:26:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-10-16 13:26:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:26:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:26:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:26:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:26:25,426 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:26:25,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:26:26,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:26:55,056 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:26:55,113 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:26:55,114 INFO L300 CfgBuilder]: Removed 36 assume(true) statements. [2022-10-16 13:26:55,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:26:55 BoogieIcfgContainer [2022-10-16 13:26:55,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:26:55,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:26:55,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:26:55,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:26:55,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:26:16" (1/3) ... [2022-10-16 13:26:55,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e8650c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:26:55, skipping insertion in model container [2022-10-16 13:26:55,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:26:21" (2/3) ... [2022-10-16 13:26:55,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e8650c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:26:55, skipping insertion in model container [2022-10-16 13:26:55,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:26:55" (3/3) ... [2022-10-16 13:26:55,135 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-10-16 13:26:55,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:26:55,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 388 error locations. [2022-10-16 13:26:55,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:26:55,415 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@73538df3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:26:55,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 388 error locations. [2022-10-16 13:26:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 6260 states, 4279 states have (on average 1.5071278336059828) internal successors, (6449), 4798 states have internal predecessors, (6449), 1516 states have call successors, (1516), 113 states have call predecessors, (1516), 112 states have return successors, (1509), 1496 states have call predecessors, (1509), 1509 states have call successors, (1509) [2022-10-16 13:26:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 13:26:55,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:26:55,469 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:26:55,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [radeon_fixup_offsetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, radeon_fixup_offsetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, radeon_fixup_offsetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 385 more)] === [2022-10-16 13:26:55,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:26:55,476 INFO L85 PathProgramCache]: Analyzing trace with hash -316327835, now seen corresponding path program 1 times [2022-10-16 13:26:55,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:26:55,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119216375] [2022-10-16 13:26:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:26:55,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:26:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:26:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:56,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:26:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:26:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:26:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:26:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:26:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:26:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:26:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:26:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:26:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:26:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:26:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:26:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 13:26:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 13:26:57,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:26:57,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119216375] [2022-10-16 13:26:57,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119216375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:26:57,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:26:57,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:26:57,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061759988] [2022-10-16 13:26:57,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:26:57,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:26:57,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:26:57,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:26:57,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:26:57,292 INFO L87 Difference]: Start difference. First operand has 6260 states, 4279 states have (on average 1.5071278336059828) internal successors, (6449), 4798 states have internal predecessors, (6449), 1516 states have call successors, (1516), 113 states have call predecessors, (1516), 112 states have return successors, (1509), 1496 states have call predecessors, (1509), 1509 states have call successors, (1509) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:27:00,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:08,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:11,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:27:13,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:27:19,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:21,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:27,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:29,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:31,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:33,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:38,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:53,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:55,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:58,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:28:02,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:04,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:13,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:23,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:28:23,373 INFO L93 Difference]: Finished difference Result 19187 states and 30465 transitions. [2022-10-16 13:28:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:28:23,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 96 [2022-10-16 13:28:23,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:28:23,529 INFO L225 Difference]: With dead ends: 19187 [2022-10-16 13:28:23,529 INFO L226 Difference]: Without dead ends: 12893 [2022-10-16 13:28:23,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:28:23,619 INFO L413 NwaCegarLoop]: 8319 mSDtfsCounter, 14995 mSDsluCounter, 10156 mSDsCounter, 0 mSdLazyCounter, 12448 mSolverCounterSat, 10161 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16151 SdHoareTripleChecker+Valid, 18475 SdHoareTripleChecker+Invalid, 22621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10161 IncrementalHoareTripleChecker+Valid, 12448 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:28:23,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16151 Valid, 18475 Invalid, 22621 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10161 Valid, 12448 Invalid, 12 Unknown, 0 Unchecked, 83.8s Time] [2022-10-16 13:28:23,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12893 states. [2022-10-16 13:28:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12893 to 11702. [2022-10-16 13:28:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11702 states, 8279 states have (on average 1.3487136127551638) internal successors, (11166), 8739 states have internal predecessors, (11166), 2926 states have call successors, (2926), 221 states have call predecessors, (2926), 221 states have return successors, (2926), 2899 states have call predecessors, (2926), 2926 states have call successors, (2926) [2022-10-16 13:28:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11702 states to 11702 states and 17018 transitions. [2022-10-16 13:28:25,094 INFO L78 Accepts]: Start accepts. Automaton has 11702 states and 17018 transitions. Word has length 96 [2022-10-16 13:28:25,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:28:25,095 INFO L495 AbstractCegarLoop]: Abstraction has 11702 states and 17018 transitions. [2022-10-16 13:28:25,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:28:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 11702 states and 17018 transitions. [2022-10-16 13:28:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 13:28:25,103 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:28:25,103 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:28:25,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:28:25,104 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr218ASSERT_VIOLATIONINTEGER_OVERFLOW === [radeon_fixup_offsetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, radeon_fixup_offsetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, radeon_fixup_offsetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 385 more)] === [2022-10-16 13:28:25,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:28:25,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1389290453, now seen corresponding path program 1 times [2022-10-16 13:28:25,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:28:25,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375244054] [2022-10-16 13:28:25,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:28:25,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:28:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:28:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:28:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:28:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:28:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:28:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:28:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:28:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:28:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:28:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:28:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:28:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:28:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:28:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 13:28:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 13:28:25,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:28:25,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375244054] [2022-10-16 13:28:25,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375244054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:28:25,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:28:25,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:28:25,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912674264] [2022-10-16 13:28:25,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:28:25,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:28:25,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:28:25,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:28:25,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:28:25,794 INFO L87 Difference]: Start difference. First operand 11702 states and 17018 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:28:30,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:41,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:43,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:50,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:52,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:56,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:58,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:29:12,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:29:14,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:29:18,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:29:19,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:29:23,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:29:42,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:29:42,655 INFO L93 Difference]: Finished difference Result 36776 states and 53703 transitions. [2022-10-16 13:29:42,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:29:42,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 101 [2022-10-16 13:29:42,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:29:42,859 INFO L225 Difference]: With dead ends: 36776 [2022-10-16 13:29:42,860 INFO L226 Difference]: Without dead ends: 25105 [2022-10-16 13:29:42,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:29:42,939 INFO L413 NwaCegarLoop]: 8430 mSDtfsCounter, 14750 mSDsluCounter, 10146 mSDsCounter, 0 mSdLazyCounter, 12447 mSolverCounterSat, 10089 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15905 SdHoareTripleChecker+Valid, 18576 SdHoareTripleChecker+Invalid, 22545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10089 IncrementalHoareTripleChecker+Valid, 12447 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:29:42,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15905 Valid, 18576 Invalid, 22545 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10089 Valid, 12447 Invalid, 9 Unknown, 0 Unchecked, 74.6s Time] [2022-10-16 13:29:42,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25105 states. [2022-10-16 13:29:45,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25105 to 23025. [2022-10-16 13:29:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23025 states, 16486 states have (on average 1.3488414412228558) internal successors, (22237), 17130 states have internal predecessors, (22237), 5825 states have call successors, (5825), 438 states have call predecessors, (5825), 438 states have return successors, (5825), 5772 states have call predecessors, (5825), 5825 states have call successors, (5825) [2022-10-16 13:29:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23025 states to 23025 states and 33887 transitions. [2022-10-16 13:29:45,734 INFO L78 Accepts]: Start accepts. Automaton has 23025 states and 33887 transitions. Word has length 101 [2022-10-16 13:29:45,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:29:45,735 INFO L495 AbstractCegarLoop]: Abstraction has 23025 states and 33887 transitions. [2022-10-16 13:29:45,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:29:45,736 INFO L276 IsEmpty]: Start isEmpty. Operand 23025 states and 33887 transitions. [2022-10-16 13:29:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 13:29:45,741 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:29:45,742 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:29:45,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:29:45,743 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [radeon_fixup_offsetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, radeon_fixup_offsetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, radeon_fixup_offsetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 385 more)] === [2022-10-16 13:29:45,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:29:45,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1869341667, now seen corresponding path program 1 times [2022-10-16 13:29:45,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:29:45,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317240540] [2022-10-16 13:29:45,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:29:45,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:29:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:29:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:29:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:29:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:29:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:29:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:29:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:29:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:29:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:29:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:29:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:29:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:29:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:29:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 13:29:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:29:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-16 13:29:46,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:29:46,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317240540] [2022-10-16 13:29:46,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317240540] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:29:46,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:29:46,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:29:46,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786285941] [2022-10-16 13:29:46,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:29:46,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:29:46,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:29:46,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:29:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:29:46,474 INFO L87 Difference]: Start difference. First operand 23025 states and 33887 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:29:51,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:29:53,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:29:55,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:30:00,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []