/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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:52:15,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:52:15,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:52:15,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:52:15,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:52:15,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:52:15,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:52:15,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:52:15,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:52:15,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:52:15,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:52:15,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:52:15,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:52:15,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:52:15,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:52:15,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:52:15,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:52:15,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:52:15,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:52:15,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:52:15,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:52:15,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:52:15,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:52:15,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:52:15,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:52:15,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:52:15,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:52:15,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:52:15,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:52:15,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:52:15,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:52:15,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:52:15,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:52:15,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:52:15,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:52:15,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:52:15,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:52:15,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:52:15,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:52:15,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:52:15,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:52:15,632 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 12:52:15,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:52:15,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:52:15,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:52:15,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:52:15,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:52:15,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:52:15,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:52:15,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:52:15,671 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:52:15,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:52:15,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:52:15,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:52:15,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:52:15,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:52:15,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:52:15,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:52:15,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:52:15,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:52:15,673 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:52:15,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:52:15,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:52:15,674 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:52:15,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:52:15,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:52:15,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:52:15,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:52:15,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:52:15,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:52:15,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:52:15,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:52:15,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:52:15,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:52:15,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:52:15,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:52:16,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:52:16,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:52:16,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:52:16,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:52:16,109 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:52:16,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i [2022-10-16 12:52:16,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cdce6dc7/7dbeffa265a14ba9b0ac3f77669a28f3/FLAGc68bb844c [2022-10-16 12:52:17,127 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:52:17,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i [2022-10-16 12:52:17,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cdce6dc7/7dbeffa265a14ba9b0ac3f77669a28f3/FLAGc68bb844c [2022-10-16 12:52:17,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cdce6dc7/7dbeffa265a14ba9b0ac3f77669a28f3 [2022-10-16 12:52:17,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:52:17,595 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:52:17,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:52:17,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:52:17,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:52:17,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:52:17" (1/1) ... [2022-10-16 12:52:17,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d431aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:17, skipping insertion in model container [2022-10-16 12:52:17,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:52:17" (1/1) ... [2022-10-16 12:52:17,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:52:17,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:52:19,819 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i[221868,221881] [2022-10-16 12:52:19,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:52:19,915 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:52:20,333 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i[221868,221881] [2022-10-16 12:52:20,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:52:20,459 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:52:20,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20 WrapperNode [2022-10-16 12:52:20,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:52:20,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:52:20,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:52:20,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:52:20,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:20,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:20,919 INFO L138 Inliner]: procedures = 277, calls = 1835, calls flagged for inlining = 117, calls inlined = 102, statements flattened = 4590 [2022-10-16 12:52:20,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:52:20,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:52:20,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:52:20,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:52:20,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:20,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:20,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:20,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:21,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:21,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:21,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:21,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:21,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:52:21,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:52:21,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:52:21,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:52:21,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (1/1) ... [2022-10-16 12:52:21,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:52:21,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:52:21,414 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 12:52:21,432 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 12:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-10-16 12:52:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-10-16 12:52:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2022-10-16 12:52:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2022-10-16 12:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2022-10-16 12:52:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2022-10-16 12:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:52:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:52:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2022-10-16 12:52:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2022-10-16 12:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2022-10-16 12:52:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2022-10-16 12:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2022-10-16 12:52:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2022-10-16 12:52:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2022-10-16 12:52:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2022-10-16 12:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2022-10-16 12:52:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2022-10-16 12:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2022-10-16 12:52:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2022-10-16 12:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2022-10-16 12:52:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2022-10-16 12:52:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:52:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:52:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-16 12:52:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-16 12:52:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2022-10-16 12:52:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2022-10-16 12:52:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:52:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:52:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-16 12:52:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-16 12:52:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2022-10-16 12:52:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2022-10-16 12:52:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2022-10-16 12:52:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2022-10-16 12:52:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2022-10-16 12:52:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2022-10-16 12:52:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:52:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:52:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-10-16 12:52:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-10-16 12:52:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2022-10-16 12:52:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2022-10-16 12:52:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2022-10-16 12:52:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2022-10-16 12:52:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-16 12:52:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-16 12:52:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2022-10-16 12:52:21,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2022-10-16 12:52:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2022-10-16 12:52:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2022-10-16 12:52:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2022-10-16 12:52:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2022-10-16 12:52:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2022-10-16 12:52:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2022-10-16 12:52:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:52:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:52:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2022-10-16 12:52:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2022-10-16 12:52:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2022-10-16 12:52:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2022-10-16 12:52:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2022-10-16 12:52:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2022-10-16 12:52:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2022-10-16 12:52:21,494 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2022-10-16 12:52:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:52:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:52:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:52:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:52:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2022-10-16 12:52:21,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2022-10-16 12:52:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2022-10-16 12:52:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2022-10-16 12:52:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:52:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:52:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2022-10-16 12:52:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2022-10-16 12:52:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-16 12:52:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-16 12:52:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-16 12:52:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-16 12:52:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:52:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-16 12:52:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-16 12:52:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:52:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2022-10-16 12:52:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2022-10-16 12:52:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2022-10-16 12:52:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2022-10-16 12:52:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2022-10-16 12:52:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2022-10-16 12:52:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 12:52:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-16 12:52:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:52:21,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:52:21,503 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:52:21,503 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:52:21,503 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2022-10-16 12:52:21,503 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2022-10-16 12:52:21,503 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2022-10-16 12:52:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2022-10-16 12:52:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2022-10-16 12:52:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2022-10-16 12:52:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2022-10-16 12:52:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2022-10-16 12:52:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2022-10-16 12:52:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2022-10-16 12:52:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 12:52:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 12:52:21,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-16 12:52:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-16 12:52:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2022-10-16 12:52:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2022-10-16 12:52:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:52:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2022-10-16 12:52:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2022-10-16 12:52:21,506 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:52:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:52:21,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-16 12:52:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-16 12:52:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:52:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2022-10-16 12:52:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2022-10-16 12:52:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:52:21,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-16 12:52:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2022-10-16 12:52:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2022-10-16 12:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2022-10-16 12:52:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2022-10-16 12:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2022-10-16 12:52:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2022-10-16 12:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2022-10-16 12:52:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2022-10-16 12:52:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2022-10-16 12:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2022-10-16 12:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2022-10-16 12:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2022-10-16 12:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2022-10-16 12:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2022-10-16 12:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2022-10-16 12:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2022-10-16 12:52:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2022-10-16 12:52:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2022-10-16 12:52:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2022-10-16 12:52:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2022-10-16 12:52:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2022-10-16 12:52:21,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2022-10-16 12:52:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:52:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:52:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2022-10-16 12:52:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2022-10-16 12:52:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 12:52:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 12:52:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2022-10-16 12:52:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2022-10-16 12:52:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:52:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2022-10-16 12:52:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2022-10-16 12:52:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2022-10-16 12:52:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2022-10-16 12:52:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:52:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:52:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2022-10-16 12:52:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2022-10-16 12:52:21,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:52:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2022-10-16 12:52:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2022-10-16 12:52:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:52:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:52:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:52:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:52:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2022-10-16 12:52:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2022-10-16 12:52:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2022-10-16 12:52:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2022-10-16 12:52:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 12:52:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 12:52:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2022-10-16 12:52:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2022-10-16 12:52:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2022-10-16 12:52:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2022-10-16 12:52:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-10-16 12:52:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-10-16 12:52:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2022-10-16 12:52:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2022-10-16 12:52:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-16 12:52:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-16 12:52:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2022-10-16 12:52:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2022-10-16 12:52:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 12:52:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 12:52:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2022-10-16 12:52:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2022-10-16 12:52:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 12:52:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 12:52:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 12:52:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 12:52:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2022-10-16 12:52:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2022-10-16 12:52:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:52:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2022-10-16 12:52:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2022-10-16 12:52:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2022-10-16 12:52:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2022-10-16 12:52:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:52:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:52:21,527 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2022-10-16 12:52:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2022-10-16 12:52:22,364 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:52:22,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:52:26,517 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:52:26,543 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:52:26,544 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:52:26,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:52:26 BoogieIcfgContainer [2022-10-16 12:52:26,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:52:26,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:52:26,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:52:26,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:52:26,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:52:17" (1/3) ... [2022-10-16 12:52:26,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391b243f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:52:26, skipping insertion in model container [2022-10-16 12:52:26,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:20" (2/3) ... [2022-10-16 12:52:26,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391b243f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:52:26, skipping insertion in model container [2022-10-16 12:52:26,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:52:26" (3/3) ... [2022-10-16 12:52:26,563 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--r8a66597-hcd.ko-main.cil.out.i [2022-10-16 12:52:26,584 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:52:26,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 230 error locations. [2022-10-16 12:52:26,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:52:26,753 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;@1e39e4f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:52:26,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 230 error locations. [2022-10-16 12:52:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 2409 states, 1557 states have (on average 1.4791265253693) internal successors, (2303), 1842 states have internal predecessors, (2303), 523 states have call successors, (523), 98 states have call predecessors, (523), 98 states have return successors, (523), 514 states have call predecessors, (523), 523 states have call successors, (523) [2022-10-16 12:52:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 12:52:26,778 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:26,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:26,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:26,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:26,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1591090078, now seen corresponding path program 1 times [2022-10-16 12:52:26,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:26,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357942816] [2022-10-16 12:52:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:26,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:52:27,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:27,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357942816] [2022-10-16 12:52:27,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357942816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:27,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:27,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:52:27,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569760976] [2022-10-16 12:52:27,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:27,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:27,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:27,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:27,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:27,400 INFO L87 Difference]: Start difference. First operand has 2409 states, 1557 states have (on average 1.4791265253693) internal successors, (2303), 1842 states have internal predecessors, (2303), 523 states have call successors, (523), 98 states have call predecessors, (523), 98 states have return successors, (523), 514 states have call predecessors, (523), 523 states have call successors, (523) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:28,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:28,114 INFO L93 Difference]: Finished difference Result 6933 states and 10050 transitions. [2022-10-16 12:52:28,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:28,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-16 12:52:28,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:28,186 INFO L225 Difference]: With dead ends: 6933 [2022-10-16 12:52:28,186 INFO L226 Difference]: Without dead ends: 4495 [2022-10-16 12:52:28,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:28,226 INFO L413 NwaCegarLoop]: 3933 mSDtfsCounter, 3058 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 7147 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:28,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 7147 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:52:28,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4495 states. [2022-10-16 12:52:28,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4495 to 4352. [2022-10-16 12:52:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4352 states, 2999 states have (on average 1.4058019339779926) internal successors, (4216), 3248 states have internal predecessors, (4216), 1015 states have call successors, (1015), 190 states have call predecessors, (1015), 190 states have return successors, (1015), 997 states have call predecessors, (1015), 1015 states have call successors, (1015) [2022-10-16 12:52:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 4352 states and 6246 transitions. [2022-10-16 12:52:28,653 INFO L78 Accepts]: Start accepts. Automaton has 4352 states and 6246 transitions. Word has length 13 [2022-10-16 12:52:28,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:28,653 INFO L495 AbstractCegarLoop]: Abstraction has 4352 states and 6246 transitions. [2022-10-16 12:52:28,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4352 states and 6246 transitions. [2022-10-16 12:52:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 12:52:28,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:28,659 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] [2022-10-16 12:52:28,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:52:28,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:28,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash -162046983, now seen corresponding path program 1 times [2022-10-16 12:52:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:28,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355087184] [2022-10-16 12:52:28,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:28,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:52:28,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:28,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355087184] [2022-10-16 12:52:28,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355087184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:28,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:28,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:52:28,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098592268] [2022-10-16 12:52:28,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:28,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:28,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:28,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:28,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:28,796 INFO L87 Difference]: Start difference. First operand 4352 states and 6246 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:29,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:29,510 INFO L93 Difference]: Finished difference Result 12856 states and 18424 transitions. [2022-10-16 12:52:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:29,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 12:52:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:29,586 INFO L225 Difference]: With dead ends: 12856 [2022-10-16 12:52:29,587 INFO L226 Difference]: Without dead ends: 8507 [2022-10-16 12:52:29,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:29,626 INFO L413 NwaCegarLoop]: 4069 mSDtfsCounter, 3044 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 7228 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:29,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 7228 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:52:29,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8507 states. [2022-10-16 12:52:30,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8507 to 8365. [2022-10-16 12:52:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8365 states, 5833 states have (on average 1.3994513972226985) internal successors, (8163), 6184 states have internal predecessors, (8163), 2008 states have call successors, (2008), 376 states have call predecessors, (2008), 376 states have return successors, (2008), 1972 states have call predecessors, (2008), 2008 states have call successors, (2008) [2022-10-16 12:52:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8365 states to 8365 states and 12179 transitions. [2022-10-16 12:52:30,292 INFO L78 Accepts]: Start accepts. Automaton has 8365 states and 12179 transitions. Word has length 22 [2022-10-16 12:52:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:30,293 INFO L495 AbstractCegarLoop]: Abstraction has 8365 states and 12179 transitions. [2022-10-16 12:52:30,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 8365 states and 12179 transitions. [2022-10-16 12:52:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:52:30,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:30,296 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] [2022-10-16 12:52:30,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:52:30,296 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting r8a66597_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:30,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:30,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1110125582, now seen corresponding path program 1 times [2022-10-16 12:52:30,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:30,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433046840] [2022-10-16 12:52:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:52:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:52:30,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:30,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433046840] [2022-10-16 12:52:30,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433046840] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:30,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:30,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:52:30,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509505677] [2022-10-16 12:52:30,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:30,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:30,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:30,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:30,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:30,438 INFO L87 Difference]: Start difference. First operand 8365 states and 12179 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:52:31,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:31,079 INFO L93 Difference]: Finished difference Result 17847 states and 25938 transitions. [2022-10-16 12:52:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:31,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-16 12:52:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:31,155 INFO L225 Difference]: With dead ends: 17847 [2022-10-16 12:52:31,155 INFO L226 Difference]: Without dead ends: 9485 [2022-10-16 12:52:31,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:31,215 INFO L413 NwaCegarLoop]: 3681 mSDtfsCounter, 650 mSDsluCounter, 3141 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 6822 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:31,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 6822 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:52:31,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9485 states. [2022-10-16 12:52:31,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9485 to 9463. [2022-10-16 12:52:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9463 states, 6619 states have (on average 1.4002115123130383) internal successors, (9268), 6992 states have internal predecessors, (9268), 2245 states have call successors, (2245), 451 states have call predecessors, (2245), 451 states have return successors, (2245), 2206 states have call predecessors, (2245), 2245 states have call successors, (2245) [2022-10-16 12:52:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9463 states to 9463 states and 13758 transitions. [2022-10-16 12:52:31,989 INFO L78 Accepts]: Start accepts. Automaton has 9463 states and 13758 transitions. Word has length 26 [2022-10-16 12:52:31,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:31,989 INFO L495 AbstractCegarLoop]: Abstraction has 9463 states and 13758 transitions. [2022-10-16 12:52:31,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:52:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 9463 states and 13758 transitions. [2022-10-16 12:52:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 12:52:31,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:31,991 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:31,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:52:31,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:31,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:31,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1800965344, now seen corresponding path program 1 times [2022-10-16 12:52:31,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:31,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101395937] [2022-10-16 12:52:31,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:31,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:52:32,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:32,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101395937] [2022-10-16 12:52:32,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101395937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:32,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:32,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:52:32,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119934822] [2022-10-16 12:52:32,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:32,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:32,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:32,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:32,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:32,338 INFO L87 Difference]: Start difference. First operand 9463 states and 13758 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:33,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:33,251 INFO L93 Difference]: Finished difference Result 18923 states and 27513 transitions. [2022-10-16 12:52:33,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:33,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 12:52:33,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:33,452 INFO L225 Difference]: With dead ends: 18923 [2022-10-16 12:52:33,452 INFO L226 Difference]: Without dead ends: 18911 [2022-10-16 12:52:33,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:33,463 INFO L413 NwaCegarLoop]: 3757 mSDtfsCounter, 3167 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 6936 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:33,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3167 Valid, 6936 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:52:33,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18911 states. [2022-10-16 12:52:34,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18911 to 18775. [2022-10-16 12:52:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18775 states, 13235 states have (on average 1.3966754816773705) internal successors, (18485), 13834 states have internal predecessors, (18485), 4490 states have call successors, (4490), 902 states have call predecessors, (4490), 902 states have return successors, (4490), 4412 states have call predecessors, (4490), 4490 states have call successors, (4490) [2022-10-16 12:52:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18775 states to 18775 states and 27465 transitions. [2022-10-16 12:52:34,617 INFO L78 Accepts]: Start accepts. Automaton has 18775 states and 27465 transitions. Word has length 25 [2022-10-16 12:52:34,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:34,618 INFO L495 AbstractCegarLoop]: Abstraction has 18775 states and 27465 transitions. [2022-10-16 12:52:34,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 18775 states and 27465 transitions. [2022-10-16 12:52:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 12:52:34,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:34,625 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:34,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:52:34,626 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting r8a66597_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:34,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1439252400, now seen corresponding path program 1 times [2022-10-16 12:52:34,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:34,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014957212] [2022-10-16 12:52:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:52:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:52:34,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:34,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014957212] [2022-10-16 12:52:34,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014957212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:34,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:34,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:52:34,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893314603] [2022-10-16 12:52:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:34,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:34,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:34,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:34,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:34,851 INFO L87 Difference]: Start difference. First operand 18775 states and 27465 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:52:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:36,367 INFO L93 Difference]: Finished difference Result 44590 states and 65146 transitions. [2022-10-16 12:52:36,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:36,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-10-16 12:52:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:36,534 INFO L225 Difference]: With dead ends: 44590 [2022-10-16 12:52:36,534 INFO L226 Difference]: Without dead ends: 25818 [2022-10-16 12:52:36,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:36,634 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 3121 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3121 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:36,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3121 Valid, 7472 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:52:36,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25818 states. [2022-10-16 12:52:38,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25818 to 25674. [2022-10-16 12:52:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25674 states, 18211 states have (on average 1.3909175772884521) internal successors, (25330), 18994 states have internal predecessors, (25330), 6093 states have call successors, (6093), 1222 states have call predecessors, (6093), 1222 states have return successors, (6093), 5981 states have call predecessors, (6093), 6093 states have call successors, (6093) [2022-10-16 12:52:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25674 states to 25674 states and 37516 transitions. [2022-10-16 12:52:38,239 INFO L78 Accepts]: Start accepts. Automaton has 25674 states and 37516 transitions. Word has length 38 [2022-10-16 12:52:38,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:38,240 INFO L495 AbstractCegarLoop]: Abstraction has 25674 states and 37516 transitions. [2022-10-16 12:52:38,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:52:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 25674 states and 37516 transitions. [2022-10-16 12:52:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 12:52:38,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:38,245 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:38,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:52:38,245 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting r8a66597_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:38,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:38,246 INFO L85 PathProgramCache]: Analyzing trace with hash -875327919, now seen corresponding path program 1 times [2022-10-16 12:52:38,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:38,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974978950] [2022-10-16 12:52:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:52:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:52:39,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:39,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974978950] [2022-10-16 12:52:39,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974978950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:39,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:39,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:52:39,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383200216] [2022-10-16 12:52:39,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:39,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:52:39,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:39,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:52:39,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:52:39,089 INFO L87 Difference]: Start difference. First operand 25674 states and 37516 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:52:40,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:40,777 INFO L93 Difference]: Finished difference Result 51018 states and 74597 transitions. [2022-10-16 12:52:40,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:52:40,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-10-16 12:52:40,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:40,948 INFO L225 Difference]: With dead ends: 51018 [2022-10-16 12:52:40,948 INFO L226 Difference]: Without dead ends: 25672 [2022-10-16 12:52:41,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:52:41,033 INFO L413 NwaCegarLoop]: 3182 mSDtfsCounter, 3345 mSDsluCounter, 6188 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 9370 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:41,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 9370 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:52:41,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25672 states. [2022-10-16 12:52:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25672 to 25672. [2022-10-16 12:52:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25672 states, 18211 states have (on average 1.3876228653011915) internal successors, (25270), 18992 states have internal predecessors, (25270), 6093 states have call successors, (6093), 1222 states have call predecessors, (6093), 1222 states have return successors, (6093), 5981 states have call predecessors, (6093), 6093 states have call successors, (6093) [2022-10-16 12:52:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25672 states to 25672 states and 37456 transitions. [2022-10-16 12:52:42,884 INFO L78 Accepts]: Start accepts. Automaton has 25672 states and 37456 transitions. Word has length 37 [2022-10-16 12:52:42,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:42,884 INFO L495 AbstractCegarLoop]: Abstraction has 25672 states and 37456 transitions. [2022-10-16 12:52:42,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:52:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 25672 states and 37456 transitions. [2022-10-16 12:52:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 12:52:42,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:42,889 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:42,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:52:42,889 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:42,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:42,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2009409272, now seen corresponding path program 1 times [2022-10-16 12:52:42,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:42,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860368046] [2022-10-16 12:52:42,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:52:43,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:43,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860368046] [2022-10-16 12:52:43,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860368046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:43,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:43,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:52:43,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388458900] [2022-10-16 12:52:43,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:43,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:52:43,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:52:43,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:52:43,061 INFO L87 Difference]: Start difference. First operand 25672 states and 37456 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:46,247 INFO L93 Difference]: Finished difference Result 68625 states and 100096 transitions. [2022-10-16 12:52:46,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:52:46,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-10-16 12:52:46,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:46,549 INFO L225 Difference]: With dead ends: 68625 [2022-10-16 12:52:46,549 INFO L226 Difference]: Without dead ends: 51339 [2022-10-16 12:52:46,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:52:46,825 INFO L413 NwaCegarLoop]: 6311 mSDtfsCounter, 3429 mSDsluCounter, 9237 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 15548 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:46,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3429 Valid, 15548 Invalid, 109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:52:46,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51339 states. [2022-10-16 12:52:49,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51339 to 25690. [2022-10-16 12:52:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25690 states, 18229 states have (on average 1.3872401119095945) internal successors, (25288), 19010 states have internal predecessors, (25288), 6093 states have call successors, (6093), 1222 states have call predecessors, (6093), 1222 states have return successors, (6093), 5981 states have call predecessors, (6093), 6093 states have call successors, (6093) [2022-10-16 12:52:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25690 states to 25690 states and 37474 transitions. [2022-10-16 12:52:49,553 INFO L78 Accepts]: Start accepts. Automaton has 25690 states and 37474 transitions. Word has length 36 [2022-10-16 12:52:49,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:49,554 INFO L495 AbstractCegarLoop]: Abstraction has 25690 states and 37474 transitions. [2022-10-16 12:52:49,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 25690 states and 37474 transitions. [2022-10-16 12:52:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 12:52:49,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:49,559 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:49,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:52:49,560 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:49,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:49,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2041147668, now seen corresponding path program 1 times [2022-10-16 12:52:49,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:49,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103078038] [2022-10-16 12:52:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:49,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:52:49,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:49,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103078038] [2022-10-16 12:52:49,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103078038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:49,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:49,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:52:49,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743450288] [2022-10-16 12:52:49,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:49,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:49,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:49,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:49,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:49,741 INFO L87 Difference]: Start difference. First operand 25690 states and 37474 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:52,279 INFO L93 Difference]: Finished difference Result 51361 states and 74751 transitions. [2022-10-16 12:52:52,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:52,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-10-16 12:52:52,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:52,456 INFO L225 Difference]: With dead ends: 51361 [2022-10-16 12:52:52,456 INFO L226 Difference]: Without dead ends: 34069 [2022-10-16 12:52:52,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:52,694 INFO L413 NwaCegarLoop]: 6126 mSDtfsCounter, 3063 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3063 SdHoareTripleChecker+Valid, 9294 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:52,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3063 Valid, 9294 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:52:52,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34069 states. [2022-10-16 12:52:54,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34069 to 33923. [2022-10-16 12:52:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33923 states, 24114 states have (on average 1.3879903790329269) internal successors, (33470), 25097 states have internal predecessors, (33470), 8026 states have call successors, (8026), 1637 states have call predecessors, (8026), 1637 states have return successors, (8026), 7877 states have call predecessors, (8026), 8026 states have call successors, (8026) [2022-10-16 12:52:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33923 states to 33923 states and 49522 transitions. [2022-10-16 12:52:54,870 INFO L78 Accepts]: Start accepts. Automaton has 33923 states and 49522 transitions. Word has length 42 [2022-10-16 12:52:54,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:52:54,870 INFO L495 AbstractCegarLoop]: Abstraction has 33923 states and 49522 transitions. [2022-10-16 12:52:54,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:52:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 33923 states and 49522 transitions. [2022-10-16 12:52:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 12:52:54,878 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:52:54,878 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:52:54,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:52:54,879 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting r8a66597_clock_enableErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:52:54,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:52:54,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1635645250, now seen corresponding path program 1 times [2022-10-16 12:52:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:52:54,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460346711] [2022-10-16 12:52:54,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:52:54,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:52:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:55,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 12:52:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:52:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:52:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:52:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:52:55,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:52:55,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460346711] [2022-10-16 12:52:55,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460346711] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:52:55,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:52:55,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:52:55,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189469218] [2022-10-16 12:52:55,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:52:55,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:52:55,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:52:55,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:52:55,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:55,157 INFO L87 Difference]: Start difference. First operand 33923 states and 49522 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:52:57,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:52:57,633 INFO L93 Difference]: Finished difference Result 34214 states and 50035 transitions. [2022-10-16 12:52:57,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:52:57,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-10-16 12:52:57,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:52:57,786 INFO L225 Difference]: With dead ends: 34214 [2022-10-16 12:52:57,786 INFO L226 Difference]: Without dead ends: 34208 [2022-10-16 12:52:57,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:52:57,802 INFO L413 NwaCegarLoop]: 3199 mSDtfsCounter, 7 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:52:57,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6380 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:52:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34208 states. [2022-10-16 12:52:59,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34208 to 34208. [2022-10-16 12:52:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34208 states, 24285 states have (on average 1.3852583899526456) internal successors, (33641), 25249 states have internal predecessors, (33641), 8140 states have call successors, (8140), 1637 states have call predecessors, (8140), 1637 states have return successors, (8140), 7991 states have call predecessors, (8140), 8140 states have call successors, (8140) [2022-10-16 12:53:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34208 states to 34208 states and 49921 transitions. [2022-10-16 12:53:00,013 INFO L78 Accepts]: Start accepts. Automaton has 34208 states and 49921 transitions. Word has length 50 [2022-10-16 12:53:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:00,014 INFO L495 AbstractCegarLoop]: Abstraction has 34208 states and 49921 transitions. [2022-10-16 12:53:00,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 34208 states and 49921 transitions. [2022-10-16 12:53:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 12:53:00,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:00,022 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:00,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:53:00,022 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting r8a66597_bus_resumeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:53:00,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:00,023 INFO L85 PathProgramCache]: Analyzing trace with hash -639366350, now seen corresponding path program 1 times [2022-10-16 12:53:00,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:00,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175797642] [2022-10-16 12:53:00,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:00,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:53:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:53:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:00,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 12:53:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:53:00,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:00,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175797642] [2022-10-16 12:53:00,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175797642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:00,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:00,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:53:00,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263439755] [2022-10-16 12:53:00,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:00,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:53:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:00,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:53:00,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:00,242 INFO L87 Difference]: Start difference. First operand 34208 states and 49921 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:02,205 INFO L93 Difference]: Finished difference Result 34498 states and 50369 transitions. [2022-10-16 12:53:02,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:53:02,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-10-16 12:53:02,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:02,345 INFO L225 Difference]: With dead ends: 34498 [2022-10-16 12:53:02,345 INFO L226 Difference]: Without dead ends: 34496 [2022-10-16 12:53:02,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:02,361 INFO L413 NwaCegarLoop]: 3202 mSDtfsCounter, 9 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6394 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:02,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6394 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:53:02,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34496 states. [2022-10-16 12:53:04,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34496 to 34448. [2022-10-16 12:53:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34448 states, 24445 states have (on average 1.38470034771937) internal successors, (33849), 25425 states have internal predecessors, (33849), 8220 states have call successors, (8220), 1637 states have call predecessors, (8220), 1637 states have return successors, (8220), 8071 states have call predecessors, (8220), 8220 states have call successors, (8220) [2022-10-16 12:53:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34448 states to 34448 states and 50289 transitions. [2022-10-16 12:53:04,622 INFO L78 Accepts]: Start accepts. Automaton has 34448 states and 50289 transitions. Word has length 51 [2022-10-16 12:53:04,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:04,622 INFO L495 AbstractCegarLoop]: Abstraction has 34448 states and 50289 transitions. [2022-10-16 12:53:04,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34448 states and 50289 transitions. [2022-10-16 12:53:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 12:53:04,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:04,631 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-10-16 12:53:04,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:53:04,631 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:53:04,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:04,632 INFO L85 PathProgramCache]: Analyzing trace with hash 589422400, now seen corresponding path program 1 times [2022-10-16 12:53:04,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:04,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429797859] [2022-10-16 12:53:04,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:04,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:53:04,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:04,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429797859] [2022-10-16 12:53:04,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429797859] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:53:04,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833384436] [2022-10-16 12:53:04,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:04,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:53:04,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:53:04,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:53:04,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:53:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:05,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:53:05,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:53:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:53:05,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:53:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:53:05,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833384436] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:53:05,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:53:05,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-16 12:53:05,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699736275] [2022-10-16 12:53:05,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:53:05,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:53:05,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:05,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:53:05,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:53:05,810 INFO L87 Difference]: Start difference. First operand 34448 states and 50289 transitions. Second operand has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:53:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:20,535 INFO L93 Difference]: Finished difference Result 137923 states and 201327 transitions. [2022-10-16 12:53:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:53:20,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-16 12:53:20,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:21,262 INFO L225 Difference]: With dead ends: 137923 [2022-10-16 12:53:21,262 INFO L226 Difference]: Without dead ends: 137917 [2022-10-16 12:53:21,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:53:21,310 INFO L413 NwaCegarLoop]: 7737 mSDtfsCounter, 17180 mSDsluCounter, 13931 mSDsCounter, 0 mSdLazyCounter, 5946 mSolverCounterSat, 868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17180 SdHoareTripleChecker+Valid, 21668 SdHoareTripleChecker+Invalid, 6814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 868 IncrementalHoareTripleChecker+Valid, 5946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:21,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17180 Valid, 21668 Invalid, 6814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [868 Valid, 5946 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-16 12:53:21,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137917 states. [2022-10-16 12:53:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137917 to 136959. [2022-10-16 12:53:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136959 states, 97472 states have (on average 1.386357107682206) internal successors, (135131), 100978 states have internal predecessors, (135131), 32846 states have call successors, (32846), 6495 states have call predecessors, (32846), 6495 states have return successors, (32846), 32227 states have call predecessors, (32846), 32846 states have call successors, (32846) [2022-10-16 12:53:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136959 states to 136959 states and 200823 transitions. [2022-10-16 12:53:30,228 INFO L78 Accepts]: Start accepts. Automaton has 136959 states and 200823 transitions. Word has length 48 [2022-10-16 12:53:30,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:30,229 INFO L495 AbstractCegarLoop]: Abstraction has 136959 states and 200823 transitions. [2022-10-16 12:53:30,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:53:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 136959 states and 200823 transitions. [2022-10-16 12:53:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 12:53:30,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:30,237 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:30,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 12:53:30,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 12:53:30,439 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting r8a66597_bus_suspendErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:53:30,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:30,441 INFO L85 PathProgramCache]: Analyzing trace with hash 81922650, now seen corresponding path program 1 times [2022-10-16 12:53:30,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:30,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104085385] [2022-10-16 12:53:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:53:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:53:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:53:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:53:30,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:30,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104085385] [2022-10-16 12:53:30,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104085385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:30,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:30,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:53:30,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373494398] [2022-10-16 12:53:30,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:30,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:53:30,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:30,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:53:30,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:30,666 INFO L87 Difference]: Start difference. First operand 136959 states and 200823 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:36,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:36,832 INFO L93 Difference]: Finished difference Result 138561 states and 203383 transitions. [2022-10-16 12:53:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:53:36,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-10-16 12:53:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:37,418 INFO L225 Difference]: With dead ends: 138561 [2022-10-16 12:53:37,419 INFO L226 Difference]: Without dead ends: 138559 [2022-10-16 12:53:37,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:37,470 INFO L413 NwaCegarLoop]: 3206 mSDtfsCounter, 13 mSDsluCounter, 3190 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 6396 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:37,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 6396 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:53:37,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138559 states. [2022-10-16 12:53:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138559 to 138367. [2022-10-16 12:53:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138367 states, 98304 states have (on average 1.3856913248697917) internal successors, (136219), 101874 states have internal predecessors, (136219), 33422 states have call successors, (33422), 6495 states have call predecessors, (33422), 6495 states have return successors, (33422), 32803 states have call predecessors, (33422), 33422 states have call successors, (33422) [2022-10-16 12:53:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138367 states to 138367 states and 203063 transitions. [2022-10-16 12:53:46,624 INFO L78 Accepts]: Start accepts. Automaton has 138367 states and 203063 transitions. Word has length 52 [2022-10-16 12:53:46,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:46,624 INFO L495 AbstractCegarLoop]: Abstraction has 138367 states and 203063 transitions. [2022-10-16 12:53:46,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:46,625 INFO L276 IsEmpty]: Start isEmpty. Operand 138367 states and 203063 transitions. [2022-10-16 12:53:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 12:53:46,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:46,634 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-10-16 12:53:46,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 12:53:46,635 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:53:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1092229392, now seen corresponding path program 1 times [2022-10-16 12:53:46,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:46,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487150643] [2022-10-16 12:53:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:53:46,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:46,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487150643] [2022-10-16 12:53:46,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487150643] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:53:46,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726725791] [2022-10-16 12:53:46,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:46,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:53:46,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:53:46,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:53:46,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:53:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:47,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:53:47,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:53:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:53:47,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:53:47,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726725791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:47,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:53:47,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 12:53:47,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103148085] [2022-10-16 12:53:47,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:47,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:53:47,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:47,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:53:47,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:53:47,760 INFO L87 Difference]: Start difference. First operand 138367 states and 203063 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:54:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:54:04,908 INFO L93 Difference]: Finished difference Result 320259 states and 469973 transitions. [2022-10-16 12:54:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:54:04,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 12:54:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:54:06,838 INFO L225 Difference]: With dead ends: 320259 [2022-10-16 12:54:06,838 INFO L226 Difference]: Without dead ends: 320253 [2022-10-16 12:54:06,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:54:06,962 INFO L413 NwaCegarLoop]: 6447 mSDtfsCounter, 6327 mSDsluCounter, 6523 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6327 SdHoareTripleChecker+Valid, 12970 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:54:06,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6327 Valid, 12970 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 12:54:07,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320253 states. [2022-10-16 12:54:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320253 to 319806. [2022-10-16 12:54:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319806 states, 227345 states have (on average 1.3852338956211925) internal successors, (314926), 235394 states have internal predecessors, (314926), 77296 states have call successors, (77296), 15019 states have call predecessors, (77296), 15019 states have return successors, (77296), 75880 states have call predecessors, (77296), 77296 states have call successors, (77296) [2022-10-16 12:54:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319806 states to 319806 states and 469518 transitions. [2022-10-16 12:54:31,204 INFO L78 Accepts]: Start accepts. Automaton has 319806 states and 469518 transitions. Word has length 49 [2022-10-16 12:54:31,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:54:31,205 INFO L495 AbstractCegarLoop]: Abstraction has 319806 states and 469518 transitions. [2022-10-16 12:54:31,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:54:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 319806 states and 469518 transitions. [2022-10-16 12:54:31,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 12:54:31,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:54:31,215 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:54:31,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 12:54:31,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 12:54:31,430 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting r8a66597_hub_controlErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [packet_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, packet_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 227 more)] === [2022-10-16 12:54:31,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:54:31,431 INFO L85 PathProgramCache]: Analyzing trace with hash -582539113, now seen corresponding path program 1 times [2022-10-16 12:54:31,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:54:31,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633475082] [2022-10-16 12:54:31,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:54:31,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:54:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:54:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:54:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:31,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:54:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:54:31,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:54:31,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633475082] [2022-10-16 12:54:31,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633475082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:54:31,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:54:31,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:54:31,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757675171] [2022-10-16 12:54:31,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:54:31,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:54:31,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:54:31,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:54:31,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:54:31,659 INFO L87 Difference]: Start difference. First operand 319806 states and 469518 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:54:57,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:54:57,200 INFO L93 Difference]: Finished difference Result 639441 states and 939041 transitions. [2022-10-16 12:54:57,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:54:57,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2022-10-16 12:54:57,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:54:59,558 INFO L225 Difference]: With dead ends: 639441 [2022-10-16 12:54:59,559 INFO L226 Difference]: Without dead ends: 319954 [2022-10-16 12:55:01,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:55:01,240 INFO L413 NwaCegarLoop]: 3197 mSDtfsCounter, 71 mSDsluCounter, 3105 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 6302 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:01,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 6302 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:55:01,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319954 states.