/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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:11:27,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:11:27,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:11:27,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:11:27,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:11:27,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:11:27,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:11:27,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:11:27,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:11:27,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:11:27,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:11:27,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:11:27,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:11:27,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:11:27,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:11:27,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:11:27,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:11:27,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:11:27,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:11:27,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:11:27,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:11:27,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:11:27,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:11:27,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:11:27,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:11:27,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:11:27,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:11:27,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:11:27,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:11:27,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:11:27,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:11:27,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:11:27,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:11:27,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:11:27,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:11:27,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:11:27,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:11:27,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:11:27,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:11:27,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:11:27,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:11:27,193 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 21:11:27,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:11:27,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:11:27,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:11:27,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:11:27,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:11:27,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:11:27,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:11:27,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:11:27,250 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:11:27,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:11:27,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:11:27,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:11:27,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:11:27,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:11:27,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:11:27,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:11:27,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:11:27,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:11:27,253 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:11:27,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:11:27,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:11:27,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:11:27,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:11:27,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:11:27,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:11:27,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:11:27,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:27,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:11:27,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:11:27,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:11:27,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:11:27,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:11:27,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:11:27,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:11:27,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:11:27,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:11:27,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:11:27,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:11:27,708 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:11:27,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2022-10-15 21:11:27,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72280fff2/5a68235281dd4c389ce114c6f9987596/FLAGdda17e3ef [2022-10-15 21:11:28,880 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:11:28,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2022-10-15 21:11:28,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72280fff2/5a68235281dd4c389ce114c6f9987596/FLAGdda17e3ef [2022-10-15 21:11:29,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72280fff2/5a68235281dd4c389ce114c6f9987596 [2022-10-15 21:11:29,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:11:29,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:11:29,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:29,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:11:29,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:11:29,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:29" (1/1) ... [2022-10-15 21:11:29,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785fd969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:29, skipping insertion in model container [2022-10-15 21:11:29,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:29" (1/1) ... [2022-10-15 21:11:29,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:11:29,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:11:30,262 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i[156940,156953] [2022-10-15 21:11:31,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:31,640 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:11:31,998 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i[156940,156953] [2022-10-15 21:11:32,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:32,477 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:11:32,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32 WrapperNode [2022-10-15 21:11:32,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:32,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:32,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:11:32,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:11:32,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:32,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:32,804 INFO L138 Inliner]: procedures = 220, calls = 1909, calls flagged for inlining = 76, calls inlined = 76, statements flattened = 3624 [2022-10-15 21:11:32,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:32,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:11:32,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:11:32,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:11:32,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:32,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:32,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:32,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:33,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:33,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:33,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:33,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:33,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:11:33,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:11:33,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:11:33,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:11:33,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (1/1) ... [2022-10-15 21:11:33,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:33,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:33,215 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 21:11:33,227 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 21:11:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ctrl_complete [2022-10-15 21:11:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ctrl_complete [2022-10-15 21:11:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure dout_reset [2022-10-15 21:11:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_reset [2022-10-15 21:11:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_isocpipes [2022-10-15 21:11:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_isocpipes [2022-10-15 21:11:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:11:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:11:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_le16p [2022-10-15 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_le16p [2022-10-15 21:11:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:11:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-15 21:11:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-15 21:11:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-10-15 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-10-15 21:11:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:11:33,287 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_st5481 [2022-10-15 21:11:33,287 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_st5481 [2022-10-15 21:11:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-15 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-15 21:11:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_next_ctrl_msg [2022-10-15 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_next_ctrl_msg [2022-10-15 21:11:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_usb [2022-10-15 21:11:33,288 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_usb [2022-10-15 21:11:33,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_b_out [2022-10-15 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_b_out [2022-10-15 21:11:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_device_ctrl_msg [2022-10-15 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_device_ctrl_msg [2022-10-15 21:11:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:11:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure FsmEvent [2022-10-15 21:11:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmEvent [2022-10-15 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:11:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure led_blink [2022-10-15 21:11:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure led_blink [2022-10-15 21:11:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_in_mode [2022-10-15 21:11:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_in_mode [2022-10-15 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-15 21:11:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-15 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_start_rcv [2022-10-15 21:11:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_start_rcv [2022-10-15 21:11:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:11:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2022-10-15 21:11:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2022-10-15 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2022-10-15 21:11:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2022-10-15 21:11:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_2 [2022-10-15 21:11:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_2 [2022-10-15 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2022-10-15 21:11:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2022-10-15 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2022-10-15 21:11:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2022-10-15 21:11:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2022-10-15 21:11:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2022-10-15 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2022-10-15 21:11:33,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2022-10-15 21:11:33,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-15 21:11:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-10-15 21:11:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure ph_connect [2022-10-15 21:11:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_connect [2022-10-15 21:11:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure st5481B_mode [2022-10-15 21:11:33,295 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481B_mode [2022-10-15 21:11:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure B_L1L2 [2022-10-15 21:11:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure B_L1L2 [2022-10-15 21:11:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-10-15 21:11:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-10-15 21:11:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2022-10-15 21:11:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2022-10-15 21:11:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:11:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-10-15 21:11:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-10-15 21:11:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-10-15 21:11:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-10-15 21:11:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_isocpipes [2022-10-15 21:11:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_isocpipes [2022-10-15 21:11:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_out_init [2022-10-15 21:11:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_out_init [2022-10-15 21:11:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:11:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:11:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure ph_disconnect [2022-10-15 21:11:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_disconnect [2022-10-15 21:11:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:11:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f6 [2022-10-15 21:11:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f6 [2022-10-15 21:11:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:11:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f7 [2022-10-15 21:11:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f7 [2022-10-15 21:11:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f8 [2022-10-15 21:11:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f8 [2022-10-15 21:11:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_b_l2l1 [2022-10-15 21:11:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_b_l2l1 [2022-10-15 21:11:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure l1_go_f3 [2022-10-15 21:11:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_go_f3 [2022-10-15 21:11:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure dout_short_fifo [2022-10-15 21:11:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_short_fifo [2022-10-15 21:11:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_b [2022-10-15 21:11:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_b [2022-10-15 21:11:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:11:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:11:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:11:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:11:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_in_complete [2022-10-15 21:11:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_in_complete [2022-10-15 21:11:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_d_out_complete [2022-10-15 21:11:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_d_out_complete [2022-10-15 21:11:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure st5481B_start_xfer [2022-10-15 21:11:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481B_start_xfer [2022-10-15 21:11:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_usb_pipe_reset [2022-10-15 21:11:33,302 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_usb_pipe_reset [2022-10-15 21:11:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:11:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:11:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:11:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure dout_check_busy [2022-10-15 21:11:33,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_check_busy [2022-10-15 21:11:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_b_out [2022-10-15 21:11:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_b_out [2022-10-15 21:11:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure FsmFree [2022-10-15 21:11:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmFree [2022-10-15 21:11:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:11:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:11:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure isdnhdlc_encode [2022-10-15 21:11:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isdnhdlc_encode [2022-10-15 21:11:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_d_out [2022-10-15 21:11:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_d_out [2022-10-15 21:11:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:11:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:11:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:11:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:11:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:11:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:11:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure dout_long_den [2022-10-15 21:11:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_long_den [2022-10-15 21:11:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:11:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:11:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:11:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:11:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure dout_stop [2022-10-15 21:11:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_stop [2022-10-15 21:11:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure dout_underrun [2022-10-15 21:11:33,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_underrun [2022-10-15 21:11:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:11:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-15 21:11:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-10-15 21:11:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_in [2022-10-15 21:11:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_in [2022-10-15 21:11:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:11:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:11:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2022-10-15 21:11:33,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2022-10-15 21:11:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_d_exit [2022-10-15 21:11:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_d_exit [2022-10-15 21:11:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:11:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure dump_iso_packet___0 [2022-10-15 21:11:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_iso_packet___0 [2022-10-15 21:11:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ctrl_msg [2022-10-15 21:11:33,309 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ctrl_msg [2022-10-15 21:11:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-15 21:11:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-15 21:11:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-15 21:11:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-15 21:11:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:11:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:11:33,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:11:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:11:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:11:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:11:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_b [2022-10-15 21:11:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_b [2022-10-15 21:11:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet [2022-10-15 21:11:33,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet [2022-10-15 21:11:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_d [2022-10-15 21:11:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_d [2022-10-15 21:11:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:11:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:11:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure l1_activate [2022-10-15 21:11:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_activate [2022-10-15 21:11:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure FsmNew [2022-10-15 21:11:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmNew [2022-10-15 21:11:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer3 [2022-10-15 21:11:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer3 [2022-10-15 21:11:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_stop [2022-10-15 21:11:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_stop [2022-10-15 21:11:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure dout_long_enable_fifo [2022-10-15 21:11:33,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_long_enable_fifo [2022-10-15 21:11:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_b_out_complete [2022-10-15 21:11:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_b_out_complete [2022-10-15 21:11:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_complete [2022-10-15 21:11:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_complete [2022-10-15 21:11:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_setup_in [2022-10-15 21:11:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_setup_in [2022-10-15 21:11:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure D_L1L2 [2022-10-15 21:11:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure D_L1L2 [2022-10-15 21:11:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure dout_complete [2022-10-15 21:11:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_complete [2022-10-15 21:11:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure FsmChangeState [2022-10-15 21:11:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure FsmChangeState [2022-10-15 21:11:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_ph_command [2022-10-15 21:11:33,315 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_ph_command [2022-10-15 21:11:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure dout_start_xmit [2022-10-15 21:11:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dout_start_xmit [2022-10-15 21:11:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure st5481_release_d_out [2022-10-15 21:11:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure st5481_release_d_out [2022-10-15 21:11:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-15 21:11:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-15 21:11:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:11:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-10-15 21:11:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-10-15 21:11:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure get_buf_nr [2022-10-15 21:11:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure get_buf_nr [2022-10-15 21:11:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:11:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:11:34,174 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:11:34,180 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:11:34,348 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:11:39,517 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-15 21:11:46,559 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:11:46,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:11:46,604 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:11:46,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:46 BoogieIcfgContainer [2022-10-15 21:11:46,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:11:46,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:11:46,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:11:46,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:11:46,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:11:29" (1/3) ... [2022-10-15 21:11:46,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc23762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:46, skipping insertion in model container [2022-10-15 21:11:46,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:32" (2/3) ... [2022-10-15 21:11:46,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc23762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:46, skipping insertion in model container [2022-10-15 21:11:46,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:46" (3/3) ... [2022-10-15 21:11:46,630 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--hisax--hisax_st5481.ko-entry_point.cil.out.i [2022-10-15 21:11:46,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:11:46,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 126 error locations. [2022-10-15 21:11:46,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:11:46,782 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;@501535a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:11:46,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 126 error locations. [2022-10-15 21:11:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 1537 states, 1030 states have (on average 1.4504854368932039) internal successors, (1494), 1221 states have internal predecessors, (1494), 283 states have call successors, (283), 100 states have call predecessors, (283), 98 states have return successors, (278), 254 states have call predecessors, (278), 278 states have call successors, (278) [2022-10-15 21:11:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-15 21:11:46,811 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:46,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 21:11:46,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [st5481_release_isocpipesErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, st5481_release_isocpipesErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2022-10-15 21:11:46,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:46,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1761462105, now seen corresponding path program 1 times [2022-10-15 21:11:46,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:46,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58452456] [2022-10-15 21:11:46,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:46,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:11:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:11:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:11:47,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:47,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58452456] [2022-10-15 21:11:47,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58452456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:47,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:47,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:11:47,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607644330] [2022-10-15 21:11:47,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:47,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:11:47,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:47,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:11:47,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:11:47,965 INFO L87 Difference]: Start difference. First operand has 1537 states, 1030 states have (on average 1.4504854368932039) internal successors, (1494), 1221 states have internal predecessors, (1494), 283 states have call successors, (283), 100 states have call predecessors, (283), 98 states have return successors, (278), 254 states have call predecessors, (278), 278 states have call successors, (278) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:11:58,847 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 [] [2022-10-15 21:12:00,860 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 [] [2022-10-15 21:12:02,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:12:02,938 INFO L93 Difference]: Finished difference Result 3785 states and 5459 transitions. [2022-10-15 21:12:02,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:12:02,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-10-15 21:12:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:12:03,007 INFO L225 Difference]: With dead ends: 3785 [2022-10-15 21:12:03,007 INFO L226 Difference]: Without dead ends: 2198 [2022-10-15 21:12:03,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:12:03,035 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 1519 mSDsluCounter, 3509 mSDsCounter, 0 mSdLazyCounter, 2881 mSolverCounterSat, 639 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 3522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 2881 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:12:03,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 5399 Invalid, 3522 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [639 Valid, 2881 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2022-10-15 21:12:03,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2022-10-15 21:12:03,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 1531. [2022-10-15 21:12:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1045 states have (on average 1.4191387559808613) internal successors, (1483), 1209 states have internal predecessors, (1483), 275 states have call successors, (275), 101 states have call predecessors, (275), 101 states have return successors, (275), 251 states have call predecessors, (275), 275 states have call successors, (275) [2022-10-15 21:12:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2033 transitions. [2022-10-15 21:12:03,422 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2033 transitions. Word has length 30 [2022-10-15 21:12:03,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:12:03,423 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 2033 transitions. [2022-10-15 21:12:03,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:12:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2033 transitions. [2022-10-15 21:12:03,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 21:12:03,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:12:03,437 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:12:03,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:12:03,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [st5481_release_isocpipesErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, st5481_release_isocpipesErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2022-10-15 21:12:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:12:03,445 INFO L85 PathProgramCache]: Analyzing trace with hash -618858150, now seen corresponding path program 1 times [2022-10-15 21:12:03,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:12:03,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407794489] [2022-10-15 21:12:03,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:12:03,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:12:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:12:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:12:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:12:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:12:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:12:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:12:04,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:12:04,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407794489] [2022-10-15 21:12:04,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407794489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:12:04,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:12:04,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:12:04,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922725192] [2022-10-15 21:12:04,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:12:04,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:12:04,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:12:04,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:12:04,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:12:04,248 INFO L87 Difference]: Start difference. First operand 1531 states and 2033 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 21:12:12,036 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 [] [2022-10-15 21:12:18,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:12:18,642 INFO L93 Difference]: Finished difference Result 5519 states and 7669 transitions. [2022-10-15 21:12:18,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:12:18,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 59 [2022-10-15 21:12:18,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:12:18,677 INFO L225 Difference]: With dead ends: 5519 [2022-10-15 21:12:18,677 INFO L226 Difference]: Without dead ends: 4004 [2022-10-15 21:12:18,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:12:18,687 INFO L413 NwaCegarLoop]: 3194 mSDtfsCounter, 4697 mSDsluCounter, 3561 mSDsCounter, 0 mSdLazyCounter, 2898 mSolverCounterSat, 2608 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4924 SdHoareTripleChecker+Valid, 6755 SdHoareTripleChecker+Invalid, 5507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2608 IncrementalHoareTripleChecker+Valid, 2898 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:12:18,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4924 Valid, 6755 Invalid, 5507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2608 Valid, 2898 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2022-10-15 21:12:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2022-10-15 21:12:18,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 2644. [2022-10-15 21:12:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 1855 states have (on average 1.4221024258760109) internal successors, (2638), 2065 states have internal predecessors, (2638), 491 states have call successors, (491), 188 states have call predecessors, (491), 188 states have return successors, (491), 443 states have call predecessors, (491), 491 states have call successors, (491) [2022-10-15 21:12:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3620 transitions. [2022-10-15 21:12:18,997 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3620 transitions. Word has length 59 [2022-10-15 21:12:18,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:12:18,998 INFO L495 AbstractCegarLoop]: Abstraction has 2644 states and 3620 transitions. [2022-10-15 21:12:18,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 21:12:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3620 transitions. [2022-10-15 21:12:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:12:19,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:12:19,001 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:12:19,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:12:19,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [st5481_release_isocpipesErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, st5481_release_isocpipesErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2022-10-15 21:12:19,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:12:19,002 INFO L85 PathProgramCache]: Analyzing trace with hash -571199946, now seen corresponding path program 1 times [2022-10-15 21:12:19,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:12:19,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228290177] [2022-10-15 21:12:19,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:12:19,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:12:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:12:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:19,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:12:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:12:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:12:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:12:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:12:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:12:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-15 21:12:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:12:19,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228290177] [2022-10-15 21:12:19,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228290177] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:12:19,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:12:19,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:12:19,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642267377] [2022-10-15 21:12:19,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:12:19,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:12:19,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:12:19,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:12:19,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:12:19,721 INFO L87 Difference]: Start difference. First operand 2644 states and 3620 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)