/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-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:34:50,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:34:50,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:34:50,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:34:50,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:34:50,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:34:50,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:34:50,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:34:50,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:34:50,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:34:50,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:34:50,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:34:50,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:34:50,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:34:50,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:34:50,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:34:50,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:34:50,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:34:50,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:34:50,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:34:50,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:34:50,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:34:50,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:34:50,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:34:50,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:34:50,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:34:50,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:34:50,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:34:50,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:34:50,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:34:50,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:34:50,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:34:50,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:34:50,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:34:50,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:34:50,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:34:50,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:34:50,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:34:50,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:34:50,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:34:50,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:34:50,272 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 [2022-10-15 21:34:50,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:34:50,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:34:50,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:34:50,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:34:50,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:34:50,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:34:50,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:34:50,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:34:50,313 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:34:50,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:34:50,314 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:34:50,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:34:50,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:34:50,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:34:50,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:34:50,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:34:50,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:34:50,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:34:50,316 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:34:50,316 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:34:50,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:34:50,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:34:50,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:34:50,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:34:50,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:34:50,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:34:50,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:34:50,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:34:50,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:34:50,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:34:50,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:34:50,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:34:50,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:34:50,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:34:50,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:34:50,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:34:50,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:34:50,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:34:50,761 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:34:50,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-15 21:34:50,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d8cedf7/f6da219f69a24116a5c533e888cd73f8/FLAG5b6bfcd53 [2022-10-15 21:34:51,986 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:34:51,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-15 21:34:52,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d8cedf7/f6da219f69a24116a5c533e888cd73f8/FLAG5b6bfcd53 [2022-10-15 21:34:52,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d8cedf7/f6da219f69a24116a5c533e888cd73f8 [2022-10-15 21:34:52,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:34:52,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:34:52,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:34:52,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:34:52,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:34:52,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:34:52" (1/1) ... [2022-10-15 21:34:52,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc9442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:52, skipping insertion in model container [2022-10-15 21:34:52,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:34:52" (1/1) ... [2022-10-15 21:34:52,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:34:52,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:34:54,596 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-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2022-10-15 21:34:54,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:34:54,674 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:34:55,290 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-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2022-10-15 21:34:55,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:34:55,443 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:34:55,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55 WrapperNode [2022-10-15 21:34:55,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:34:55,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:34:55,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:34:55,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:34:55,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:55,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:55,939 INFO L138 Inliner]: procedures = 260, calls = 1808, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4891 [2022-10-15 21:34:55,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:34:55,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:34:55,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:34:55,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:34:55,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:55,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:34:56,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:34:56,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:34:56,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:34:56,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (1/1) ... [2022-10-15 21:34:56,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:34:56,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:56,601 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) [2022-10-15 21:34:56,625 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 [2022-10-15 21:34:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:34:56,674 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:34:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:34:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:34:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:34:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:34:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 21:34:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 21:34:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-10-15 21:34:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-10-15 21:34:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2022-10-15 21:34:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2022-10-15 21:34:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-10-15 21:34:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-10-15 21:34:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-10-15 21:34:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-10-15 21:34:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-15 21:34:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-15 21:34:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-10-15 21:34:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-10-15 21:34:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:34:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:34:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-15 21:34:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-15 21:34:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-15 21:34:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-15 21:34:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-10-15 21:34:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-10-15 21:34:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:34:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:34:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:34:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:34:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:34:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:34:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2022-10-15 21:34:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2022-10-15 21:34:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:34:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:34:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-10-15 21:34:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-10-15 21:34:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-15 21:34:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-15 21:34:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-10-15 21:34:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-10-15 21:34:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:34:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:34:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-10-15 21:34:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-10-15 21:34:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-10-15 21:34:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-10-15 21:34:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2022-10-15 21:34:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2022-10-15 21:34:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:34:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2022-10-15 21:34:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2022-10-15 21:34:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:34:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:34:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-15 21:34:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-10-15 21:34:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:34:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-10-15 21:34:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-10-15 21:34:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-15 21:34:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-15 21:34:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-10-15 21:34:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-10-15 21:34:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-10-15 21:34:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-10-15 21:34:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2022-10-15 21:34:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2022-10-15 21:34:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-10-15 21:34:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-10-15 21:34:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:34:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:34:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:34:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:34:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:34:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:34:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-10-15 21:34:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-10-15 21:34:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:34:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:34:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-15 21:34:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-15 21:34:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-10-15 21:34:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-10-15 21:34:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-10-15 21:34:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-10-15 21:34:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-10-15 21:34:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-10-15 21:34:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-10-15 21:34:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-10-15 21:34:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-10-15 21:34:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-10-15 21:34:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-15 21:34:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-15 21:34:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:34:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-10-15 21:34:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-10-15 21:34:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:34:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-10-15 21:34:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-10-15 21:34:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-15 21:34:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-15 21:34:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:34:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-10-15 21:34:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-10-15 21:34:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-15 21:34:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-15 21:34:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:34:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:34:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:34:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:34:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-10-15 21:34:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-10-15 21:34:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:34:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:34:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:34:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:34:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-10-15 21:34:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-10-15 21:34:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:34:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-10-15 21:34:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-10-15 21:34:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-10-15 21:34:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-10-15 21:34:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-10-15 21:34:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-10-15 21:34:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:34:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:34:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2022-10-15 21:34:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2022-10-15 21:34:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-15 21:34:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-15 21:34:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:34:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-10-15 21:34:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-10-15 21:34:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-10-15 21:34:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-10-15 21:34:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-15 21:34:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-15 21:34:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-10-15 21:34:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-10-15 21:34:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-10-15 21:34:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-10-15 21:34:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:34:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-10-15 21:34:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-10-15 21:34:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-10-15 21:34:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-10-15 21:34:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2022-10-15 21:34:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2022-10-15 21:34:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:34:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:34:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:34:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-10-15 21:34:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-10-15 21:34:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:34:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:34:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-10-15 21:34:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-10-15 21:34:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-10-15 21:34:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-10-15 21:34:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-15 21:34:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-15 21:34:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:34:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:34:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-15 21:34:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-15 21:34:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-10-15 21:34:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-10-15 21:34:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-10-15 21:34:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-10-15 21:34:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-10-15 21:34:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-10-15 21:34:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-10-15 21:34:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-10-15 21:34:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-15 21:34:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-15 21:34:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:34:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:34:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-10-15 21:34:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-10-15 21:34:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-10-15 21:34:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-10-15 21:34:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-15 21:34:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-15 21:34:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2022-10-15 21:34:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2022-10-15 21:34:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-15 21:34:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-15 21:34:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:34:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-10-15 21:34:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-10-15 21:34:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-10-15 21:34:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-10-15 21:34:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-15 21:34:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-15 21:34:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-10-15 21:34:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-10-15 21:34:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-10-15 21:34:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-10-15 21:34:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-15 21:34:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:34:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:34:57,471 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:34:57,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:34:59,205 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:35:04,356 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:35:04,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:35:04,383 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:35:04,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:35:04 BoogieIcfgContainer [2022-10-15 21:35:04,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:35:04,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:35:04,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:35:04,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:35:04,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:34:52" (1/3) ... [2022-10-15 21:35:04,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1e2069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:35:04, skipping insertion in model container [2022-10-15 21:35:04,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:34:55" (2/3) ... [2022-10-15 21:35:04,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1e2069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:35:04, skipping insertion in model container [2022-10-15 21:35:04,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:35:04" (3/3) ... [2022-10-15 21:35:04,405 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-15 21:35:04,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:35:04,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 280 error locations. [2022-10-15 21:35:04,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:35:04,577 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;@1d180ea1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:35:04,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 280 error locations. [2022-10-15 21:35:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 2219 states, 1461 states have (on average 1.537987679671458) internal successors, (2247), 1806 states have internal predecessors, (2247), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) [2022-10-15 21:35:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 21:35:04,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:35:04,616 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:35:04,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_free_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-15 21:35:04,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:35:04,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2077583528, now seen corresponding path program 1 times [2022-10-15 21:35:04,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:35:04,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236799436] [2022-10-15 21:35:04,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:35:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:35:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:35:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:35:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:35:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:35:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:35:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:35:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-15 21:35:06,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:35:06,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236799436] [2022-10-15 21:35:06,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236799436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:35:06,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:35:06,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:35:06,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572218118] [2022-10-15 21:35:06,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:35:06,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:35:06,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:35:06,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:35:06,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:35:06,604 INFO L87 Difference]: Start difference. First operand has 2219 states, 1461 states have (on average 1.537987679671458) internal successors, (2247), 1806 states have internal predecessors, (2247), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:35:09,162 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 [] [2022-10-15 21:35:18,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:35:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:35:24,903 INFO L93 Difference]: Finished difference Result 6861 states and 9936 transitions. [2022-10-15 21:35:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:35:24,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 108 [2022-10-15 21:35:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:35:24,969 INFO L225 Difference]: With dead ends: 6861 [2022-10-15 21:35:24,970 INFO L226 Difference]: Without dead ends: 4602 [2022-10-15 21:35:24,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:35:24,999 INFO L413 NwaCegarLoop]: 3217 mSDtfsCounter, 5603 mSDsluCounter, 4790 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 2341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5814 SdHoareTripleChecker+Valid, 8007 SdHoareTripleChecker+Invalid, 5843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2341 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:35:25,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5814 Valid, 8007 Invalid, 5843 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2341 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 17.3s Time] [2022-10-15 21:35:25,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4602 states. [2022-10-15 21:35:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4602 to 4023. [2022-10-15 21:35:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4023 states, 2897 states have (on average 1.444943044528823) internal successors, (4186), 3201 states have internal predecessors, (4186), 738 states have call successors, (738), 183 states have call predecessors, (738), 192 states have return successors, (788), 692 states have call predecessors, (788), 736 states have call successors, (788) [2022-10-15 21:35:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5712 transitions. [2022-10-15 21:35:25,354 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5712 transitions. Word has length 108 [2022-10-15 21:35:25,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:35:25,355 INFO L495 AbstractCegarLoop]: Abstraction has 4023 states and 5712 transitions. [2022-10-15 21:35:25,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:35:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5712 transitions. [2022-10-15 21:35:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 21:35:25,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:35:25,363 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:35:25,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:35:25,364 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-15 21:35:25,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:35:25,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1674307121, now seen corresponding path program 1 times [2022-10-15 21:35:25,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:35:25,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612351690] [2022-10-15 21:35:25,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:35:25,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:35:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:35:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:35:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:35:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:35:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:35:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:35:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:35:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:35:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:35:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:35:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-15 21:35:25,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:35:25,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612351690] [2022-10-15 21:35:25,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612351690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:35:25,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:35:25,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:35:25,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309455468] [2022-10-15 21:35:25,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:35:25,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:35:25,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:35:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:35:25,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:35:25,793 INFO L87 Difference]: Start difference. First operand 4023 states and 5712 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)