/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--gigaset--bas_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:59:00,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:59:00,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:59:00,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:59:00,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:59:00,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:59:00,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:59:00,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:59:00,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:59:00,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:59:00,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:59:00,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:59:00,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:59:00,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:59:00,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:59:00,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:59:00,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:59:00,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:59:00,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:59:00,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:59:00,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:59:00,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:59:00,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:59:00,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:59:00,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:59:00,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:59:00,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:59:00,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:59:00,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:59:00,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:59:00,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:59:00,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:59:00,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:59:00,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:59:00,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:59:00,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:59:00,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:59:00,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:59:00,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:59:00,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:59:00,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:59:00,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:59:00,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:59:00,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:59:00,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:59:00,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:59:00,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:59:00,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:59:00,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:59:00,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:59:00,507 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:59:00,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:59:00,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:59:00,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:59:00,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:59:00,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:59:00,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:59:00,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:59:00,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:59:00,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:59:00,511 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:59:00,511 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:59:00,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:59:00,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:59:00,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:59:00,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:59:00,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:59:00,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:59:00,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:59:00,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:59:00,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:59:00,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:59:00,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:59:00,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:59:00,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:59:00,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:59:00,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:59:00,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:59:00,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:59:00,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:59:00,986 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:59:00,988 INFO L432 ainManager$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--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-10-16 12:59:01,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa4bbbab/b1daeb5a641a4310ab72218da1006b15/FLAG46aaefa98 [2022-10-16 12:59:02,300 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:59:02,301 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--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-10-16 12:59:02,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa4bbbab/b1daeb5a641a4310ab72218da1006b15/FLAG46aaefa98 [2022-10-16 12:59:02,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daa4bbbab/b1daeb5a641a4310ab72218da1006b15 [2022-10-16 12:59:02,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:59:02,530 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:59:02,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:59:02,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:59:02,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:59:02,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:59:02" (1/1) ... [2022-10-16 12:59:02,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2547ef26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:02, skipping insertion in model container [2022-10-16 12:59:02,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:59:02" (1/1) ... [2022-10-16 12:59:02,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:59:02,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:59:04,274 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--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-10-16 12:59:05,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:59:05,975 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:59:06,216 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--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-10-16 12:59:06,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:59:07,091 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:59:07,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07 WrapperNode [2022-10-16 12:59:07,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:59:07,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:59:07,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:59:07,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:59:07,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,568 INFO L138 Inliner]: procedures = 318, calls = 3918, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6480 [2022-10-16 12:59:07,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:59:07,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:59:07,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:59:07,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:59:07,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:07,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:08,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:08,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:59:08,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:59:08,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:59:08,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:59:08,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (1/1) ... [2022-10-16 12:59:08,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:59:08,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:59:08,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:59:08,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:59:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-10-16 12:59:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-10-16 12:59:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-16 12:59:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-16 12:59:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-10-16 12:59:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-10-16 12:59:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-10-16 12:59:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-10-16 12:59:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-10-16 12:59:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-10-16 12:59:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 12:59:08,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 12:59:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-10-16 12:59:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-10-16 12:59:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-16 12:59:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-16 12:59:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-10-16 12:59:08,334 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-10-16 12:59:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:59:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:59:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-10-16 12:59:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-10-16 12:59:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:59:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:59:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-16 12:59:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-16 12:59:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-10-16 12:59:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-10-16 12:59:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-10-16 12:59:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-10-16 12:59:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-10-16 12:59:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-10-16 12:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-10-16 12:59:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-10-16 12:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-10-16 12:59:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-10-16 12:59:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:59:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:59:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-10-16 12:59:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-10-16 12:59:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 12:59:08,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 12:59:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:59:08,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:59:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-10-16 12:59:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-10-16 12:59:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 12:59:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 12:59:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-10-16 12:59:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-10-16 12:59:08,342 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 12:59:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 12:59:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-10-16 12:59:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-10-16 12:59:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-16 12:59:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-16 12:59:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-10-16 12:59:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-10-16 12:59:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-10-16 12:59:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-10-16 12:59:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:59:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:59:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-10-16 12:59:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-10-16 12:59:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-10-16 12:59:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-10-16 12:59:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-10-16 12:59:08,346 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-10-16 12:59:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-16 12:59:08,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-16 12:59:08,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-10-16 12:59:08,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-10-16 12:59:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-10-16 12:59:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-10-16 12:59:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-10-16 12:59:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-10-16 12:59:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:59:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-16 12:59:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-10-16 12:59:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-10-16 12:59:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-10-16 12:59:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 12:59:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:59:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-10-16 12:59:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-10-16 12:59:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-10-16 12:59:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-10-16 12:59:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-10-16 12:59:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-10-16 12:59:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-10-16 12:59:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-10-16 12:59:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-10-16 12:59:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-10-16 12:59:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-10-16 12:59:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-10-16 12:59:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-10-16 12:59:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-10-16 12:59:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:59:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:59:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-10-16 12:59:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-10-16 12:59:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:59:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-10-16 12:59:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-10-16 12:59:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-10-16 12:59:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-10-16 12:59:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:59:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-10-16 12:59:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-10-16 12:59:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-10-16 12:59:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-10-16 12:59:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-10-16 12:59:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-10-16 12:59:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-10-16 12:59:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-10-16 12:59:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:59:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:59:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-10-16 12:59:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-10-16 12:59:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:59:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:59:08,358 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-10-16 12:59:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-10-16 12:59:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 12:59:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 12:59:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-10-16 12:59:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-10-16 12:59:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 12:59:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 12:59:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-10-16 12:59:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-10-16 12:59:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-10-16 12:59:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-10-16 12:59:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-10-16 12:59:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-10-16 12:59:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-10-16 12:59:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-10-16 12:59:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:59:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-10-16 12:59:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-10-16 12:59:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-16 12:59:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-16 12:59:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 12:59:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 12:59:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-10-16 12:59:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-10-16 12:59:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 12:59:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 12:59:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-10-16 12:59:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-10-16 12:59:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-10-16 12:59:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-10-16 12:59:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-10-16 12:59:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-10-16 12:59:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:59:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:59:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:59:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-10-16 12:59:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-10-16 12:59:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:59:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:59:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-10-16 12:59:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-10-16 12:59:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:59:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-16 12:59:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-16 12:59:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-10-16 12:59:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-10-16 12:59:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-10-16 12:59:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-10-16 12:59:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-10-16 12:59:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-10-16 12:59:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-10-16 12:59:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-10-16 12:59:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:59:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-10-16 12:59:08,375 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-10-16 12:59:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-10-16 12:59:08,375 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-10-16 12:59:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 12:59:08,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 12:59:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:59:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:59:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:59:08,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:59:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-10-16 12:59:08,376 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-10-16 12:59:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-16 12:59:08,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-16 12:59:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 12:59:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 12:59:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 12:59:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 12:59:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-10-16 12:59:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-10-16 12:59:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 12:59:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 12:59:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-10-16 12:59:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-10-16 12:59:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-10-16 12:59:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-10-16 12:59:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-16 12:59:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-16 12:59:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-10-16 12:59:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-10-16 12:59:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-10-16 12:59:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-10-16 12:59:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-10-16 12:59:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-10-16 12:59:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-16 12:59:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-16 12:59:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-16 12:59:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-16 12:59:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:59:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-10-16 12:59:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-10-16 12:59:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-10-16 12:59:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-10-16 12:59:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-16 12:59:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-16 12:59:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:59:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:59:09,173 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:59:09,179 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:59:09,579 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 12:59:10,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-16 12:59:17,212 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:59:17,253 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:59:17,253 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:59:17,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:59:17 BoogieIcfgContainer [2022-10-16 12:59:17,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:59:17,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:59:17,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:59:17,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:59:17,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:59:02" (1/3) ... [2022-10-16 12:59:17,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c5fb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:59:17, skipping insertion in model container [2022-10-16 12:59:17,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:59:07" (2/3) ... [2022-10-16 12:59:17,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c5fb45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:59:17, skipping insertion in model container [2022-10-16 12:59:17,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:59:17" (3/3) ... [2022-10-16 12:59:17,273 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-10-16 12:59:17,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:59:17,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 112 error locations. [2022-10-16 12:59:17,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:59:17,470 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;@1dc9921c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:59:17,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2022-10-16 12:59:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 2301 states, 1545 states have (on average 1.4207119741100325) internal successors, (2195), 1731 states have internal predecessors, (2195), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) [2022-10-16 12:59:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 12:59:17,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:17,505 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:17,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_timer_4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [gigaset_freebcshwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 109 more)] === [2022-10-16 12:59:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1300391296, now seen corresponding path program 1 times [2022-10-16 12:59:17,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:17,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939107953] [2022-10-16 12:59:17,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:17,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:59:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:59:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:59:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:59:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:59:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 12:59:19,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:19,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939107953] [2022-10-16 12:59:19,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939107953] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:19,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:59:19,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:59:19,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807849940] [2022-10-16 12:59:19,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:19,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:59:19,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:19,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:59:19,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:59:19,594 INFO L87 Difference]: Start difference. First operand has 2301 states, 1545 states have (on average 1.4207119741100325) internal successors, (2195), 1731 states have internal predecessors, (2195), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:59:42,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:53,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:59:53,536 INFO L93 Difference]: Finished difference Result 13022 states and 19928 transitions. [2022-10-16 12:59:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 12:59:53,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2022-10-16 12:59:53,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:59:53,677 INFO L225 Difference]: With dead ends: 13022 [2022-10-16 12:59:53,677 INFO L226 Difference]: Without dead ends: 10592 [2022-10-16 12:59:53,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:59:53,715 INFO L413 NwaCegarLoop]: 4894 mSDtfsCounter, 17133 mSDsluCounter, 9895 mSDsCounter, 0 mSdLazyCounter, 10089 mSolverCounterSat, 8832 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18006 SdHoareTripleChecker+Valid, 14789 SdHoareTripleChecker+Invalid, 18922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8832 IncrementalHoareTripleChecker+Valid, 10089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:59:53,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18006 Valid, 14789 Invalid, 18922 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8832 Valid, 10089 Invalid, 1 Unknown, 0 Unchecked, 31.8s Time] [2022-10-16 12:59:53,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10592 states. [2022-10-16 12:59:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10592 to 9053. [2022-10-16 12:59:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9053 states, 6344 states have (on average 1.4133039092055486) internal successors, (8966), 6713 states have internal predecessors, (8966), 2145 states have call successors, (2145), 403 states have call predecessors, (2145), 452 states have return successors, (2823), 2056 states have call predecessors, (2823), 2145 states have call successors, (2823) [2022-10-16 12:59:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9053 states to 9053 states and 13934 transitions. [2022-10-16 12:59:54,726 INFO L78 Accepts]: Start accepts. Automaton has 9053 states and 13934 transitions. Word has length 52 [2022-10-16 12:59:54,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:59:54,727 INFO L495 AbstractCegarLoop]: Abstraction has 9053 states and 13934 transitions. [2022-10-16 12:59:54,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:59:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 9053 states and 13934 transitions. [2022-10-16 12:59:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 12:59:54,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:54,740 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:54,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:59:54,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_timer_4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [gigaset_freebcshwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 109 more)] === [2022-10-16 12:59:54,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:54,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1871371522, now seen corresponding path program 1 times [2022-10-16 12:59:54,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:54,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475845172] [2022-10-16 12:59:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:54,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:59:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:59:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:59:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:59:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:59:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 12:59:55,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:55,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475845172] [2022-10-16 12:59:55,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475845172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:55,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:59:55,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:59:55,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71820339] [2022-10-16 12:59:55,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:55,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:59:55,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:55,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:59:55,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:59:55,816 INFO L87 Difference]: Start difference. First operand 9053 states and 13934 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:00:18,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:27,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:27,457 INFO L93 Difference]: Finished difference Result 49755 states and 86046 transitions. [2022-10-16 13:00:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:00:27,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2022-10-16 13:00:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:27,972 INFO L225 Difference]: With dead ends: 49755 [2022-10-16 13:00:27,973 INFO L226 Difference]: Without dead ends: 40721 [2022-10-16 13:00:28,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:00:28,160 INFO L413 NwaCegarLoop]: 4577 mSDtfsCounter, 14660 mSDsluCounter, 11666 mSDsCounter, 0 mSdLazyCounter, 10990 mSolverCounterSat, 6671 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15530 SdHoareTripleChecker+Valid, 16243 SdHoareTripleChecker+Invalid, 17661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6671 IncrementalHoareTripleChecker+Valid, 10990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:28,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15530 Valid, 16243 Invalid, 17661 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6671 Valid, 10990 Invalid, 0 Unknown, 0 Unchecked, 28.5s Time] [2022-10-16 13:00:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40721 states. [2022-10-16 13:00:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40721 to 36294. [2022-10-16 13:00:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36294 states, 25678 states have (on average 1.4119090271828023) internal successors, (36255), 26837 states have internal predecessors, (36255), 8630 states have call successors, (8630), 1612 states have call predecessors, (8630), 1874 states have return successors, (15920), 8318 states have call predecessors, (15920), 8630 states have call successors, (15920) [2022-10-16 13:00:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36294 states to 36294 states and 60805 transitions. [2022-10-16 13:00:31,622 INFO L78 Accepts]: Start accepts. Automaton has 36294 states and 60805 transitions. Word has length 53 [2022-10-16 13:00:31,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:31,623 INFO L495 AbstractCegarLoop]: Abstraction has 36294 states and 60805 transitions. [2022-10-16 13:00:31,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:00:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 36294 states and 60805 transitions. [2022-10-16 13:00:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 13:00:31,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:31,630 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:31,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:00:31,631 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_timer_4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [gigaset_freebcshwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 109 more)] === [2022-10-16 13:00:31,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:31,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1902778120, now seen corresponding path program 1 times [2022-10-16 13:00:31,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:31,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201129202] [2022-10-16 13:00:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:31,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:00:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:00:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:00:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:00:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:00:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 13:00:32,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:32,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201129202] [2022-10-16 13:00:32,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201129202] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:32,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:00:32,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:00:32,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011899742] [2022-10-16 13:00:32,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:32,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:00:32,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:32,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:00:32,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:00:32,843 INFO L87 Difference]: Start difference. First operand 36294 states and 60805 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:00:56,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:08,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:01:08,680 INFO L93 Difference]: Finished difference Result 197476 states and 409016 transitions. [2022-10-16 13:01:08,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:01:08,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 54 [2022-10-16 13:01:08,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:01:11,686 INFO L225 Difference]: With dead ends: 197476 [2022-10-16 13:01:11,686 INFO L226 Difference]: Without dead ends: 161201 [2022-10-16 13:01:12,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:01:12,705 INFO L413 NwaCegarLoop]: 4617 mSDtfsCounter, 12387 mSDsluCounter, 15186 mSDsCounter, 0 mSdLazyCounter, 13663 mSolverCounterSat, 5334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13253 SdHoareTripleChecker+Valid, 19803 SdHoareTripleChecker+Invalid, 18997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5334 IncrementalHoareTripleChecker+Valid, 13663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:01:12,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13253 Valid, 19803 Invalid, 18997 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5334 Valid, 13663 Invalid, 0 Unknown, 0 Unchecked, 25.0s Time] [2022-10-16 13:01:12,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161201 states. [2022-10-16 13:01:27,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161201 to 145490. [2022-10-16 13:01:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145490 states, 103198 states have (on average 1.4104827612938236) internal successors, (145559), 107493 states have internal predecessors, (145559), 34560 states have call successors, (34560), 6448 states have call predecessors, (34560), 7620 states have return successors, (102565), 33434 states have call predecessors, (102565), 34560 states have call successors, (102565) [2022-10-16 13:01:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145490 states to 145490 states and 282684 transitions. [2022-10-16 13:01:30,984 INFO L78 Accepts]: Start accepts. Automaton has 145490 states and 282684 transitions. Word has length 54 [2022-10-16 13:01:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:01:30,985 INFO L495 AbstractCegarLoop]: Abstraction has 145490 states and 282684 transitions. [2022-10-16 13:01:30,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:01:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 145490 states and 282684 transitions. [2022-10-16 13:01:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 13:01:30,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:01:30,987 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:01:30,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:01:30,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_timer_4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [gigaset_freebcshwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gigaset_freebcshwErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 109 more)] === [2022-10-16 13:01:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:01:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1357967098, now seen corresponding path program 1 times [2022-10-16 13:01:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:01:30,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713667286] [2022-10-16 13:01:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:01:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:01:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:01:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:01:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:01:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:01:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:01:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 13:01:32,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:01:32,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713667286] [2022-10-16 13:01:32,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713667286] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:01:32,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:01:32,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:01:32,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049661685] [2022-10-16 13:01:32,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:01:32,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:01:32,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:01:32,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:01:32,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:01:32,095 INFO L87 Difference]: Start difference. First operand 145490 states and 282684 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:02:05,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []