/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:55:36,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:55:36,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:55:36,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:55:36,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:55:36,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:55:36,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:55:36,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:55:36,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:55:36,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:55:36,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:55:36,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:55:36,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:55:36,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:55:36,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:55:36,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:55:36,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:55:36,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:55:36,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:55:36,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:55:36,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:55:36,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:55:36,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:55:36,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:55:36,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:55:36,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:55:36,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:55:36,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:55:36,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:55:36,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:55:36,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:55:36,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:55:36,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:55:36,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:55:36,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:55:36,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:55:36,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:55:36,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:55:36,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:55:36,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:55:36,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:55:36,918 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 12:55:36,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:55:36,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:55:36,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:55:36,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:55:36,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:55:36,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:55:36,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:55:36,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:55:36,981 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:55:36,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:55:36,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:55:36,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:55:36,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:55:36,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:55:36,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:55:36,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:55:36,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:55:36,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:55:36,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:55:36,984 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:55:36,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:55:36,984 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:55:36,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:55:36,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:55:36,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:55:36,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:55:36,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:55:36,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:55:36,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:55:36,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:55:36,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:55:36,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:55:36,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:55:36,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:55:37,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:55:37,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:55:37,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:55:37,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:55:37,406 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:55:37,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-10-16 12:55:37,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825c0bb1c/564899b82d284b9e801c49ddc0ead344/FLAGd5197c1bc [2022-10-16 12:55:38,628 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:55:38,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-10-16 12:55:38,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825c0bb1c/564899b82d284b9e801c49ddc0ead344/FLAGd5197c1bc [2022-10-16 12:55:38,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825c0bb1c/564899b82d284b9e801c49ddc0ead344 [2022-10-16 12:55:38,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:55:38,990 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:55:38,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:55:38,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:55:38,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:55:38,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:55:38" (1/1) ... [2022-10-16 12:55:39,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5d3641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:38, skipping insertion in model container [2022-10-16 12:55:39,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:55:38" (1/1) ... [2022-10-16 12:55:39,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:55:39,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:55:41,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-10-16 12:55:41,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:55:41,629 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:55:42,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-10-16 12:55:42,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:55:42,627 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:55:42,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42 WrapperNode [2022-10-16 12:55:42,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:55:42,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:55:42,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:55:42,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:55:42,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:42,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:42,974 INFO L138 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4392 [2022-10-16 12:55:42,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:55:42,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:55:42,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:55:42,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:55:42,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:42,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:55:43,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:55:43,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:55:43,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:55:43,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (1/1) ... [2022-10-16 12:55:43,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:55:43,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:55:43,342 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 12:55:43,357 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 12:55:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-10-16 12:55:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-10-16 12:55:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 12:55:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 12:55:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-10-16 12:55:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-10-16 12:55:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-10-16 12:55:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-10-16 12:55:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 12:55:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-10-16 12:55:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-10-16 12:55:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:55:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-16 12:55:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-16 12:55:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:55:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-16 12:55:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-16 12:55:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-10-16 12:55:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-10-16 12:55:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-10-16 12:55:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-10-16 12:55:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-10-16 12:55:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-10-16 12:55:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-10-16 12:55:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-10-16 12:55:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 12:55:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 12:55:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-16 12:55:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-16 12:55:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:55:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:55:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:55:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:55:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-10-16 12:55:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-10-16 12:55:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-16 12:55:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-16 12:55:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-10-16 12:55:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-10-16 12:55:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-10-16 12:55:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-10-16 12:55:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:55:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:55:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-10-16 12:55:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-10-16 12:55:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-10-16 12:55:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-10-16 12:55:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-16 12:55:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-16 12:55:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 12:55:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 12:55:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:55:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:55:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-10-16 12:55:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-10-16 12:55:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:55:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:55:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-10-16 12:55:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-10-16 12:55:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-10-16 12:55:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-10-16 12:55:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-10-16 12:55:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-10-16 12:55:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-10-16 12:55:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-10-16 12:55:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:55:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:55:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:55:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-10-16 12:55:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-10-16 12:55:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:55:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-16 12:55:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-16 12:55:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-16 12:55:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-16 12:55:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-16 12:55:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-16 12:55:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:55:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:55:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-10-16 12:55:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-10-16 12:55:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 12:55:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 12:55:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-16 12:55:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-16 12:55:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 12:55:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-16 12:55:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-16 12:55:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-16 12:55:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-10-16 12:55:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-10-16 12:55:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-10-16 12:55:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-10-16 12:55:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 12:55:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 12:55:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 12:55:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 12:55:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 12:55:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 12:55:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-10-16 12:55:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-10-16 12:55:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-10-16 12:55:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-10-16 12:55:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 12:55:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 12:55:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-16 12:55:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-16 12:55:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:55:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 12:55:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 12:55:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-10-16 12:55:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-10-16 12:55:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 12:55:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 12:55:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-10-16 12:55:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-10-16 12:55:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:55:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-10-16 12:55:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-10-16 12:55:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-16 12:55:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-16 12:55:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-10-16 12:55:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-10-16 12:55:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:55:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 12:55:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-16 12:55:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-10-16 12:55:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-10-16 12:55:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-10-16 12:55:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-10-16 12:55:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-10-16 12:55:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-10-16 12:55:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-10-16 12:55:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-10-16 12:55:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-10-16 12:55:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-10-16 12:55:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-10-16 12:55:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-10-16 12:55:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:55:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:55:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-10-16 12:55:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-10-16 12:55:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-10-16 12:55:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-10-16 12:55:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:55:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 12:55:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 12:55:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-16 12:55:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-10-16 12:55:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-16 12:55:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-16 12:55:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-10-16 12:55:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-10-16 12:55:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-10-16 12:55:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-10-16 12:55:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:55:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 12:55:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 12:55:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-16 12:55:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-16 12:55:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:55:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-16 12:55:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-16 12:55:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:55:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:55:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 12:55:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 12:55:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:55:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:55:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-10-16 12:55:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-10-16 12:55:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-16 12:55:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-16 12:55:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 12:55:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 12:55:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 12:55:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 12:55:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-10-16 12:55:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-10-16 12:55:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-16 12:55:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-16 12:55:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-10-16 12:55:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-10-16 12:55:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 12:55:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 12:55:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-10-16 12:55:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-10-16 12:55:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 12:55:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 12:55:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-10-16 12:55:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-10-16 12:55:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:55:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:55:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-10-16 12:55:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-10-16 12:55:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-10-16 12:55:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-10-16 12:55:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-10-16 12:55:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-10-16 12:55:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:55:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-10-16 12:55:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-10-16 12:55:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 12:55:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 12:55:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:55:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:55:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-16 12:55:43,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-16 12:55:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:55:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:55:44,279 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:55:44,291 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:55:45,050 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-16 12:55:45,051 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-16 12:55:48,136 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:55:48,141 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:55:48,145 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:55:48,736 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-10-16 12:55:48,736 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-10-16 12:55:48,736 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume false; [2022-10-16 12:55:48,736 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume !false; [2022-10-16 12:55:48,736 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-10-16 12:55:48,736 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-10-16 12:55:48,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-10-16 12:55:48,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-10-16 12:55:48,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-10-16 12:55:48,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-10-16 12:55:48,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-10-16 12:55:48,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-10-16 12:55:48,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-10-16 12:55:48,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-10-16 12:55:48,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-10-16 12:55:48,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-10-16 12:55:48,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-10-16 12:55:48,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-10-16 12:55:48,916 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:55:48,925 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:55:49,661 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2022-10-16 12:55:49,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2022-10-16 12:55:49,665 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2022-10-16 12:55:49,665 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2022-10-16 12:55:49,665 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-10-16 12:55:49,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-10-16 12:55:49,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-10-16 12:55:49,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-10-16 12:55:49,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-10-16 12:55:49,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-10-16 12:55:49,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-10-16 12:55:49,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-10-16 12:55:49,770 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:55:49,860 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:55:49,860 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-10-16 12:55:49,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:55:49 BoogieIcfgContainer [2022-10-16 12:55:49,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:55:49,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:55:49,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:55:49,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:55:49,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:55:38" (1/3) ... [2022-10-16 12:55:49,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54114be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:55:49, skipping insertion in model container [2022-10-16 12:55:49,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:42" (2/3) ... [2022-10-16 12:55:49,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54114be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:55:49, skipping insertion in model container [2022-10-16 12:55:49,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:55:49" (3/3) ... [2022-10-16 12:55:49,878 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-10-16 12:55:49,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:55:49,902 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-10-16 12:55:50,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:55:50,016 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;@7d894eee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:55:50,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2022-10-16 12:55:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 1718 states, 1164 states have (on average 1.4347079037800687) internal successors, (1670), 1326 states have internal predecessors, (1670), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) [2022-10-16 12:55:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 12:55:50,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:50,047 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] [2022-10-16 12:55:50,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:55:50,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:50,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2103546809, now seen corresponding path program 1 times [2022-10-16 12:55:50,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:50,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030231372] [2022-10-16 12:55:50,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:50,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 12:55:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:50,719 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 12:55:50,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:50,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030231372] [2022-10-16 12:55:50,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030231372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:50,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:50,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:55:50,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103391183] [2022-10-16 12:55:50,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:50,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:55:50,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:50,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:55:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:55:50,790 INFO L87 Difference]: Start difference. First operand has 1718 states, 1164 states have (on average 1.4347079037800687) internal successors, (1670), 1326 states have internal predecessors, (1670), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:55:51,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:51,168 INFO L93 Difference]: Finished difference Result 3586 states and 4980 transitions. [2022-10-16 12:55:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:55:51,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-16 12:55:51,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:51,205 INFO L225 Difference]: With dead ends: 3586 [2022-10-16 12:55:51,205 INFO L226 Difference]: Without dead ends: 1832 [2022-10-16 12:55:51,224 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 12:55:51,228 INFO L413 NwaCegarLoop]: 2300 mSDtfsCounter, 198 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 4524 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:51,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 4524 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:55:51,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2022-10-16 12:55:51,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1824. [2022-10-16 12:55:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1824 states, 1259 states have (on average 1.3939634630659254) internal successors, (1755), 1409 states have internal predecessors, (1755), 354 states have call successors, (354), 95 states have call predecessors, (354), 95 states have return successors, (354), 346 states have call predecessors, (354), 354 states have call successors, (354) [2022-10-16 12:55:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2463 transitions. [2022-10-16 12:55:51,429 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2463 transitions. Word has length 23 [2022-10-16 12:55:51,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:51,430 INFO L495 AbstractCegarLoop]: Abstraction has 1824 states and 2463 transitions. [2022-10-16 12:55:51,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:55:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2463 transitions. [2022-10-16 12:55:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 12:55:51,436 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:51,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:55:51,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:55:51,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:55:51,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:51,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2088231898, now seen corresponding path program 1 times [2022-10-16 12:55:51,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:51,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631944330] [2022-10-16 12:55:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:51,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:55:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:51,987 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 12:55:51,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:51,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631944330] [2022-10-16 12:55:51,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631944330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:51,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:51,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:55:51,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827652447] [2022-10-16 12:55:51,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:51,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:55:51,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:51,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:55:51,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:55:51,993 INFO L87 Difference]: Start difference. First operand 1824 states and 2463 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:55:54,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:55:56,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:55:56,328 INFO L93 Difference]: Finished difference Result 4451 states and 6029 transitions. [2022-10-16 12:55:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:55:56,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-10-16 12:55:56,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:55:56,353 INFO L225 Difference]: With dead ends: 4451 [2022-10-16 12:55:56,353 INFO L226 Difference]: Without dead ends: 2634 [2022-10-16 12:55:56,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:55:56,366 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 918 mSDsluCounter, 9100 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 11481 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:55:56,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 11481 Invalid, 575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 570 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 12:55:56,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2022-10-16 12:55:56,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2575. [2022-10-16 12:55:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2575 states, 1825 states have (on average 1.3884931506849314) internal successors, (2534), 1997 states have internal predecessors, (2534), 490 states have call successors, (490), 147 states have call predecessors, (490), 144 states have return successors, (503), 458 states have call predecessors, (503), 490 states have call successors, (503) [2022-10-16 12:55:56,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3527 transitions. [2022-10-16 12:55:56,568 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3527 transitions. Word has length 36 [2022-10-16 12:55:56,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:55:56,569 INFO L495 AbstractCegarLoop]: Abstraction has 2575 states and 3527 transitions. [2022-10-16 12:55:56,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:55:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3527 transitions. [2022-10-16 12:55:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:55:56,572 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:55:56,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:55:56,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:55:56,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:55:56,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:55:56,573 INFO L85 PathProgramCache]: Analyzing trace with hash -47844198, now seen corresponding path program 1 times [2022-10-16 12:55:56,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:55:56,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074788651] [2022-10-16 12:55:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:55:56,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:55:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 12:55:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:55:56,980 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 12:55:56,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:55:56,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074788651] [2022-10-16 12:55:56,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074788651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:55:56,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:55:56,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:55:56,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183829697] [2022-10-16 12:55:56,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:55:56,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:55:56,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:55:56,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:55:56,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:55:56,984 INFO L87 Difference]: Start difference. First operand 2575 states and 3527 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 12:56:00,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:56:01,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:01,710 INFO L93 Difference]: Finished difference Result 4446 states and 6018 transitions. [2022-10-16 12:56:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:56:01,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 34 [2022-10-16 12:56:01,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:01,779 INFO L225 Difference]: With dead ends: 4446 [2022-10-16 12:56:01,779 INFO L226 Difference]: Without dead ends: 2621 [2022-10-16 12:56:01,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:56:01,792 INFO L413 NwaCegarLoop]: 2335 mSDtfsCounter, 929 mSDsluCounter, 11329 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 13664 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:01,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 13664 Invalid, 653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 646 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-10-16 12:56:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2022-10-16 12:56:01,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2571. [2022-10-16 12:56:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 1823 states have (on average 1.387822270981898) internal successors, (2530), 1993 states have internal predecessors, (2530), 488 states have call successors, (488), 147 states have call predecessors, (488), 144 states have return successors, (501), 458 states have call predecessors, (501), 488 states have call successors, (501) [2022-10-16 12:56:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3519 transitions. [2022-10-16 12:56:01,934 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3519 transitions. Word has length 34 [2022-10-16 12:56:01,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:01,935 INFO L495 AbstractCegarLoop]: Abstraction has 2571 states and 3519 transitions. [2022-10-16 12:56:01,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 12:56:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3519 transitions. [2022-10-16 12:56:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 12:56:01,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:01,940 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:01,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:56:01,941 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1589135488, now seen corresponding path program 1 times [2022-10-16 12:56:01,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:01,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88765577] [2022-10-16 12:56:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:56:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:56:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:56:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,136 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 12:56:02,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:02,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88765577] [2022-10-16 12:56:02,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88765577] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:02,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:02,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:56:02,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114590432] [2022-10-16 12:56:02,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:02,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:56:02,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:02,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:56:02,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:56:02,145 INFO L87 Difference]: Start difference. First operand 2571 states and 3519 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:56:02,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:02,286 INFO L93 Difference]: Finished difference Result 5120 states and 7026 transitions. [2022-10-16 12:56:02,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:56:02,287 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-10-16 12:56:02,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:02,311 INFO L225 Difference]: With dead ends: 5120 [2022-10-16 12:56:02,312 INFO L226 Difference]: Without dead ends: 2577 [2022-10-16 12:56:02,328 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 12:56:02,339 INFO L413 NwaCegarLoop]: 2235 mSDtfsCounter, 2 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4466 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:02,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4466 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:56:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2022-10-16 12:56:02,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2573. [2022-10-16 12:56:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 1825 states have (on average 1.3873972602739726) internal successors, (2532), 1995 states have internal predecessors, (2532), 488 states have call successors, (488), 147 states have call predecessors, (488), 144 states have return successors, (501), 458 states have call predecessors, (501), 488 states have call successors, (501) [2022-10-16 12:56:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3521 transitions. [2022-10-16 12:56:02,507 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3521 transitions. Word has length 43 [2022-10-16 12:56:02,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:02,508 INFO L495 AbstractCegarLoop]: Abstraction has 2573 states and 3521 transitions. [2022-10-16 12:56:02,508 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:56:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3521 transitions. [2022-10-16 12:56:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 12:56:02,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:02,512 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:02,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:56:02,513 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:02,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:02,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1558115681, now seen corresponding path program 1 times [2022-10-16 12:56:02,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:02,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878039607] [2022-10-16 12:56:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:56:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:56:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:56:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:02,823 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 12:56:02,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:02,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878039607] [2022-10-16 12:56:02,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878039607] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:56:02,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063957901] [2022-10-16 12:56:02,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:02,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:56:02,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:56:02,834 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 12:56:02,854 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 12:56:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:03,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:56:03,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:56:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:56:03,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:56:03,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063957901] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:03,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:56:03,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 12:56:03,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26013642] [2022-10-16 12:56:03,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:03,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:56:03,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:03,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:56:03,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:56:03,463 INFO L87 Difference]: Start difference. First operand 2573 states and 3521 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:56:03,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:03,637 INFO L93 Difference]: Finished difference Result 2581 states and 3521 transitions. [2022-10-16 12:56:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:56:03,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-10-16 12:56:03,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:03,658 INFO L225 Difference]: With dead ends: 2581 [2022-10-16 12:56:03,659 INFO L226 Difference]: Without dead ends: 2579 [2022-10-16 12:56:03,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:56:03,662 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 254 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 4365 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:03,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 4365 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:56:03,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-10-16 12:56:03,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2571. [2022-10-16 12:56:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 1825 states have (on average 1.3857534246575343) internal successors, (2529), 1993 states have internal predecessors, (2529), 488 states have call successors, (488), 147 states have call predecessors, (488), 144 states have return successors, (501), 458 states have call predecessors, (501), 488 states have call successors, (501) [2022-10-16 12:56:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3518 transitions. [2022-10-16 12:56:03,800 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3518 transitions. Word has length 43 [2022-10-16 12:56:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:03,801 INFO L495 AbstractCegarLoop]: Abstraction has 2571 states and 3518 transitions. [2022-10-16 12:56:03,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:56:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3518 transitions. [2022-10-16 12:56:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 12:56:03,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:03,805 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:03,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:56:04,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:56:04,020 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:04,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:04,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1056942633, now seen corresponding path program 1 times [2022-10-16 12:56:04,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:04,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435497498] [2022-10-16 12:56:04,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:04,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:56:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:56:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:56:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:04,228 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 12:56:04,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:04,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435497498] [2022-10-16 12:56:04,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435497498] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:56:04,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844313161] [2022-10-16 12:56:04,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:04,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:56:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:56:04,231 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 12:56:04,239 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 12:56:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:04,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:56:04,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:56:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:56:04,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:56:04,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844313161] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:04,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:56:04,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 12:56:04,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238205901] [2022-10-16 12:56:04,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:04,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:56:04,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:04,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:56:04,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:56:04,711 INFO L87 Difference]: Start difference. First operand 2571 states and 3518 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:56:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:04,891 INFO L93 Difference]: Finished difference Result 5383 states and 7421 transitions. [2022-10-16 12:56:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:56:04,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-10-16 12:56:04,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:04,917 INFO L225 Difference]: With dead ends: 5383 [2022-10-16 12:56:04,917 INFO L226 Difference]: Without dead ends: 2840 [2022-10-16 12:56:04,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:56:04,932 INFO L413 NwaCegarLoop]: 2455 mSDtfsCounter, 190 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 4667 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:04,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 4667 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:56:04,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2022-10-16 12:56:05,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2832. [2022-10-16 12:56:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2039 states have (on average 1.394310936733693) internal successors, (2843), 2210 states have internal predecessors, (2843), 536 states have call successors, (536), 147 states have call predecessors, (536), 144 states have return successors, (552), 503 states have call predecessors, (552), 536 states have call successors, (552) [2022-10-16 12:56:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3931 transitions. [2022-10-16 12:56:05,125 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3931 transitions. Word has length 44 [2022-10-16 12:56:05,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:05,128 INFO L495 AbstractCegarLoop]: Abstraction has 2832 states and 3931 transitions. [2022-10-16 12:56:05,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:56:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3931 transitions. [2022-10-16 12:56:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 12:56:05,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:05,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:05,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 12:56:05,347 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,SelfDestructingSolverStorable5 [2022-10-16 12:56:05,347 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ppp_ioctlErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:05,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:05,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1787306641, now seen corresponding path program 1 times [2022-10-16 12:56:05,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:05,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580581225] [2022-10-16 12:56:05,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:56:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:56:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:05,705 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 12:56:05,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:05,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580581225] [2022-10-16 12:56:05,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580581225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:05,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:05,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:56:05,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914519438] [2022-10-16 12:56:05,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:05,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:56:05,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:56:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:56:05,710 INFO L87 Difference]: Start difference. First operand 2832 states and 3931 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:05,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:05,840 INFO L93 Difference]: Finished difference Result 2875 states and 4004 transitions. [2022-10-16 12:56:05,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:56:05,841 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2022-10-16 12:56:05,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:05,864 INFO L225 Difference]: With dead ends: 2875 [2022-10-16 12:56:05,865 INFO L226 Difference]: Without dead ends: 2873 [2022-10-16 12:56:05,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 12:56:05,871 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 18 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 4480 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:05,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 4480 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:56:05,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2873 states. [2022-10-16 12:56:06,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2873 to 2836. [2022-10-16 12:56:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2043 states have (on average 1.3935389133627019) internal successors, (2847), 2214 states have internal predecessors, (2847), 536 states have call successors, (536), 147 states have call predecessors, (536), 144 states have return successors, (552), 503 states have call predecessors, (552), 536 states have call successors, (552) [2022-10-16 12:56:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 3935 transitions. [2022-10-16 12:56:06,054 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 3935 transitions. Word has length 45 [2022-10-16 12:56:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:06,054 INFO L495 AbstractCegarLoop]: Abstraction has 2836 states and 3935 transitions. [2022-10-16 12:56:06,055 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3935 transitions. [2022-10-16 12:56:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 12:56:06,059 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:06,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:06,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:56:06,059 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:06,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:06,060 INFO L85 PathProgramCache]: Analyzing trace with hash 122045782, now seen corresponding path program 1 times [2022-10-16 12:56:06,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:06,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600586698] [2022-10-16 12:56:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:56:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:56:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:06,713 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 12:56:06,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:06,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600586698] [2022-10-16 12:56:06,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600586698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:06,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:06,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:56:06,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787170996] [2022-10-16 12:56:06,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:06,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:56:06,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:06,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:56:06,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:56:06,716 INFO L87 Difference]: Start difference. First operand 2836 states and 3935 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:56:09,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:56:11,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:11,197 INFO L93 Difference]: Finished difference Result 5621 states and 7792 transitions. [2022-10-16 12:56:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:56:11,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2022-10-16 12:56:11,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:11,221 INFO L225 Difference]: With dead ends: 5621 [2022-10-16 12:56:11,221 INFO L226 Difference]: Without dead ends: 2786 [2022-10-16 12:56:11,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:56:11,239 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 806 mSDsluCounter, 11115 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 13402 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:11,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 13402 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 578 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 12:56:11,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2022-10-16 12:56:11,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2747. [2022-10-16 12:56:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2747 states, 1983 states have (on average 1.3978819969742813) internal successors, (2772), 2151 states have internal predecessors, (2772), 515 states have call successors, (515), 138 states have call predecessors, (515), 136 states have return successors, (531), 485 states have call predecessors, (531), 515 states have call successors, (531) [2022-10-16 12:56:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3818 transitions. [2022-10-16 12:56:11,369 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3818 transitions. Word has length 48 [2022-10-16 12:56:11,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:11,370 INFO L495 AbstractCegarLoop]: Abstraction has 2747 states and 3818 transitions. [2022-10-16 12:56:11,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:56:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3818 transitions. [2022-10-16 12:56:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 12:56:11,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:11,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:11,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:56:11,374 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ppp_ioctlErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:11,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:11,375 INFO L85 PathProgramCache]: Analyzing trace with hash 428048578, now seen corresponding path program 1 times [2022-10-16 12:56:11,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:11,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768543984] [2022-10-16 12:56:11,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:11,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:56:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:56:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:11,606 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 12:56:11,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:11,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768543984] [2022-10-16 12:56:11,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768543984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:11,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:11,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:56:11,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475547858] [2022-10-16 12:56:11,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:11,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:56:11,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:11,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:56:11,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:56:11,609 INFO L87 Difference]: Start difference. First operand 2747 states and 3818 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:11,831 INFO L93 Difference]: Finished difference Result 2826 states and 3956 transitions. [2022-10-16 12:56:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:56:11,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-10-16 12:56:11,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:11,855 INFO L225 Difference]: With dead ends: 2826 [2022-10-16 12:56:11,856 INFO L226 Difference]: Without dead ends: 2824 [2022-10-16 12:56:11,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 12:56:11,859 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 53 mSDsluCounter, 4454 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 6719 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:11,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 6719 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:56:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2022-10-16 12:56:11,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2752. [2022-10-16 12:56:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 1989 states have (on average 1.396681749622926) internal successors, (2778), 2156 states have internal predecessors, (2778), 515 states have call successors, (515), 138 states have call predecessors, (515), 136 states have return successors, (531), 485 states have call predecessors, (531), 515 states have call successors, (531) [2022-10-16 12:56:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3824 transitions. [2022-10-16 12:56:12,006 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3824 transitions. Word has length 46 [2022-10-16 12:56:12,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:12,007 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 3824 transitions. [2022-10-16 12:56:12,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3824 transitions. [2022-10-16 12:56:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 12:56:12,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:12,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:12,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:56:12,012 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ppp_ioctlErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:12,013 INFO L85 PathProgramCache]: Analyzing trace with hash 385313809, now seen corresponding path program 1 times [2022-10-16 12:56:12,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:12,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528513184] [2022-10-16 12:56:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:12,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:56:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:56:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:12,240 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 12:56:12,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:12,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528513184] [2022-10-16 12:56:12,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528513184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:12,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:12,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:56:12,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393020285] [2022-10-16 12:56:12,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:12,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:56:12,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:12,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:56:12,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:56:12,244 INFO L87 Difference]: Start difference. First operand 2752 states and 3824 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:12,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:12,432 INFO L93 Difference]: Finished difference Result 2790 states and 3889 transitions. [2022-10-16 12:56:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:56:12,433 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-10-16 12:56:12,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:12,477 INFO L225 Difference]: With dead ends: 2790 [2022-10-16 12:56:12,477 INFO L226 Difference]: Without dead ends: 2788 [2022-10-16 12:56:12,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 12:56:12,480 INFO L413 NwaCegarLoop]: 2244 mSDtfsCounter, 15 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 4459 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:12,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 4459 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:56:12,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2022-10-16 12:56:12,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2754. [2022-10-16 12:56:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 1991 states have (on average 1.3962832747363134) internal successors, (2780), 2158 states have internal predecessors, (2780), 515 states have call successors, (515), 138 states have call predecessors, (515), 136 states have return successors, (531), 485 states have call predecessors, (531), 515 states have call successors, (531) [2022-10-16 12:56:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3826 transitions. [2022-10-16 12:56:12,646 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3826 transitions. Word has length 47 [2022-10-16 12:56:12,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:12,648 INFO L495 AbstractCegarLoop]: Abstraction has 2754 states and 3826 transitions. [2022-10-16 12:56:12,648 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3826 transitions. [2022-10-16 12:56:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 12:56:12,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:12,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:12,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:56:12,653 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ppp_ioctlErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:12,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:12,656 INFO L85 PathProgramCache]: Analyzing trace with hash 384606449, now seen corresponding path program 1 times [2022-10-16 12:56:12,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:12,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426445764] [2022-10-16 12:56:12,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:12,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:56:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:56:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:12,908 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 12:56:12,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:12,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426445764] [2022-10-16 12:56:12,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426445764] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:12,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:12,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:56:12,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349190545] [2022-10-16 12:56:12,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:12,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:56:12,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:12,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:56:12,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:56:12,911 INFO L87 Difference]: Start difference. First operand 2754 states and 3826 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:13,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:13,132 INFO L93 Difference]: Finished difference Result 2821 states and 3944 transitions. [2022-10-16 12:56:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:56:13,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-10-16 12:56:13,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:13,150 INFO L225 Difference]: With dead ends: 2821 [2022-10-16 12:56:13,151 INFO L226 Difference]: Without dead ends: 2820 [2022-10-16 12:56:13,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 12:56:13,154 INFO L413 NwaCegarLoop]: 2271 mSDtfsCounter, 37 mSDsluCounter, 4461 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 6732 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:13,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 6732 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:56:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2022-10-16 12:56:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2750. [2022-10-16 12:56:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2750 states, 1987 states have (on average 1.3960744841469552) internal successors, (2774), 2154 states have internal predecessors, (2774), 515 states have call successors, (515), 138 states have call predecessors, (515), 136 states have return successors, (531), 485 states have call predecessors, (531), 515 states have call successors, (531) [2022-10-16 12:56:13,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2750 states and 3820 transitions. [2022-10-16 12:56:13,289 INFO L78 Accepts]: Start accepts. Automaton has 2750 states and 3820 transitions. Word has length 47 [2022-10-16 12:56:13,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:13,290 INFO L495 AbstractCegarLoop]: Abstraction has 2750 states and 3820 transitions. [2022-10-16 12:56:13,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:56:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3820 transitions. [2022-10-16 12:56:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 12:56:13,294 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:13,294 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:13,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 12:56:13,295 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:13,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:13,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1731346258, now seen corresponding path program 1 times [2022-10-16 12:56:13,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:13,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358435521] [2022-10-16 12:56:13,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:13,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:13,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:56:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:13,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:56:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 12:56:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 12:56:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 12:56:13,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:13,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358435521] [2022-10-16 12:56:13,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358435521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:13,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:13,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:56:13,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840081246] [2022-10-16 12:56:13,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:13,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:56:13,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:13,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:56:13,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:56:13,541 INFO L87 Difference]: Start difference. First operand 2750 states and 3820 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:56:13,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:13,691 INFO L93 Difference]: Finished difference Result 4850 states and 6714 transitions. [2022-10-16 12:56:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:56:13,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-10-16 12:56:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:13,708 INFO L225 Difference]: With dead ends: 4850 [2022-10-16 12:56:13,708 INFO L226 Difference]: Without dead ends: 2905 [2022-10-16 12:56:13,720 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 12:56:13,721 INFO L413 NwaCegarLoop]: 2451 mSDtfsCounter, 232 mSDsluCounter, 2162 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 4613 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:13,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 4613 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:56:13,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2905 states. [2022-10-16 12:56:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2905 to 2897. [2022-10-16 12:56:13,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2106 states have (on average 1.399335232668566) internal successors, (2947), 2273 states have internal predecessors, (2947), 544 states have call successors, (544), 138 states have call predecessors, (544), 136 states have return successors, (560), 514 states have call predecessors, (560), 544 states have call successors, (560) [2022-10-16 12:56:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 4051 transitions. [2022-10-16 12:56:13,909 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 4051 transitions. Word has length 50 [2022-10-16 12:56:13,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:13,909 INFO L495 AbstractCegarLoop]: Abstraction has 2897 states and 4051 transitions. [2022-10-16 12:56:13,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:56:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 4051 transitions. [2022-10-16 12:56:13,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 12:56:13,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:13,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:13,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 12:56:13,914 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:13,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:13,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1024898040, now seen corresponding path program 1 times [2022-10-16 12:56:13,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:13,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993907881] [2022-10-16 12:56:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:13,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:56:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:56:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:56:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:14,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 12:56:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:56:14,255 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 12:56:14,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:56:14,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993907881] [2022-10-16 12:56:14,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993907881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:56:14,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:56:14,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:56:14,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766746616] [2022-10-16 12:56:14,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:56:14,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:56:14,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:56:14,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:56:14,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:56:14,258 INFO L87 Difference]: Start difference. First operand 2897 states and 4051 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:56:14,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:56:14,454 INFO L93 Difference]: Finished difference Result 5770 states and 8073 transitions. [2022-10-16 12:56:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:56:14,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51 [2022-10-16 12:56:14,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:56:14,471 INFO L225 Difference]: With dead ends: 5770 [2022-10-16 12:56:14,471 INFO L226 Difference]: Without dead ends: 2897 [2022-10-16 12:56:14,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:56:14,490 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 3 mSDsluCounter, 6678 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8908 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:56:14,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8908 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:56:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2022-10-16 12:56:14,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2897. [2022-10-16 12:56:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2106 states have (on average 1.3983855650522317) internal successors, (2945), 2271 states have internal predecessors, (2945), 544 states have call successors, (544), 138 states have call predecessors, (544), 136 states have return successors, (560), 514 states have call predecessors, (560), 544 states have call successors, (560) [2022-10-16 12:56:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 4049 transitions. [2022-10-16 12:56:14,623 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 4049 transitions. Word has length 51 [2022-10-16 12:56:14,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:56:14,623 INFO L495 AbstractCegarLoop]: Abstraction has 2897 states and 4049 transitions. [2022-10-16 12:56:14,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:56:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 4049 transitions. [2022-10-16 12:56:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 12:56:14,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:56:14,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:14,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 12:56:14,629 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 12:56:14,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:56:14,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1965634888, now seen corresponding path program 1 times [2022-10-16 12:56:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:56:14,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445904112] [2022-10-16 12:56:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:56:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:56:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:56:14,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:56:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:56:15,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:56:15,088 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:56:15,090 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 128 remaining) [2022-10-16 12:56:15,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_disconnect_channelErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 128 remaining) [2022-10-16 12:56:15,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_disconnect_channelErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 128 remaining) [2022-10-16 12:56:15,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_xmit_processErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 128 remaining) [2022-10-16 12:56:15,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_xmit_processErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 128 remaining) [2022-10-16 12:56:15,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_xmit_processErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 128 remaining) [2022-10-16 12:56:15,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_xmit_processErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 128 remaining) [2022-10-16 12:56:15,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_xmit_processErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 128 remaining) [2022-10-16 12:56:15,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_xmit_processErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 128 remaining) [2022-10-16 12:56:15,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 128 remaining) [2022-10-16 12:56:15,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_module_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 128 remaining) [2022-10-16 12:56:15,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 128 remaining) [2022-10-16 12:56:15,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location net_genericErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 128 remaining) [2022-10-16 12:56:15,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 128 remaining) [2022-10-16 12:56:15,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 128 remaining) [2022-10-16 12:56:15,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 128 remaining) [2022-10-16 12:56:15,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 128 remaining) [2022-10-16 12:56:15,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 128 remaining) [2022-10-16 12:56:15,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 128 remaining) [2022-10-16 12:56:15,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 128 remaining) [2022-10-16 12:56:15,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 128 remaining) [2022-10-16 12:56:15,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 128 remaining) [2022-10-16 12:56:15,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 128 remaining) [2022-10-16 12:56:15,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 128 remaining) [2022-10-16 12:56:15,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 128 remaining) [2022-10-16 12:56:15,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 128 remaining) [2022-10-16 12:56:15,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 128 remaining) [2022-10-16 12:56:15,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 128 remaining) [2022-10-16 12:56:15,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 128 remaining) [2022-10-16 12:56:15,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 128 remaining) [2022-10-16 12:56:15,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 128 remaining) [2022-10-16 12:56:15,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 128 remaining) [2022-10-16 12:56:15,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 128 remaining) [2022-10-16 12:56:15,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 128 remaining) [2022-10-16 12:56:15,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 128 remaining) [2022-10-16 12:56:15,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 128 remaining) [2022-10-16 12:56:15,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 128 remaining) [2022-10-16 12:56:15,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 128 remaining) [2022-10-16 12:56:15,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 128 remaining) [2022-10-16 12:56:15,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 128 remaining) [2022-10-16 12:56:15,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 128 remaining) [2022-10-16 12:56:15,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 128 remaining) [2022-10-16 12:56:15,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 128 remaining) [2022-10-16 12:56:15,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 128 remaining) [2022-10-16 12:56:15,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 128 remaining) [2022-10-16 12:56:15,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 128 remaining) [2022-10-16 12:56:15,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 128 remaining) [2022-10-16 12:56:15,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 128 remaining) [2022-10-16 12:56:15,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 128 remaining) [2022-10-16 12:56:15,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 128 remaining) [2022-10-16 12:56:15,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 128 remaining) [2022-10-16 12:56:15,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 128 remaining) [2022-10-16 12:56:15,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 128 remaining) [2022-10-16 12:56:15,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 128 remaining) [2022-10-16 12:56:15,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 128 remaining) [2022-10-16 12:56:15,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 128 remaining) [2022-10-16 12:56:15,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 128 remaining) [2022-10-16 12:56:15,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 128 remaining) [2022-10-16 12:56:15,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 128 remaining) [2022-10-16 12:56:15,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 128 remaining) [2022-10-16 12:56:15,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 128 remaining) [2022-10-16 12:56:15,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 128 remaining) [2022-10-16 12:56:15,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 128 remaining) [2022-10-16 12:56:15,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 128 remaining) [2022-10-16 12:56:15,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 128 remaining) [2022-10-16 12:56:15,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 128 remaining) [2022-10-16 12:56:15,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 128 remaining) [2022-10-16 12:56:15,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 128 remaining) [2022-10-16 12:56:15,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 128 remaining) [2022-10-16 12:56:15,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 128 remaining) [2022-10-16 12:56:15,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 128 remaining) [2022-10-16 12:56:15,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 128 remaining) [2022-10-16 12:56:15,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 128 remaining) [2022-10-16 12:56:15,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 128 remaining) [2022-10-16 12:56:15,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 128 remaining) [2022-10-16 12:56:15,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 128 remaining) [2022-10-16 12:56:15,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 128 remaining) [2022-10-16 12:56:15,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 128 remaining) [2022-10-16 12:56:15,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 128 remaining) [2022-10-16 12:56:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 128 remaining) [2022-10-16 12:56:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 128 remaining) [2022-10-16 12:56:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 128 remaining) [2022-10-16 12:56:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 128 remaining) [2022-10-16 12:56:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 128 remaining) [2022-10-16 12:56:15,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 128 remaining) [2022-10-16 12:56:15,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 128 remaining) [2022-10-16 12:56:15,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 128 remaining) [2022-10-16 12:56:15,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 128 remaining) [2022-10-16 12:56:15,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 128 remaining) [2022-10-16 12:56:15,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 128 remaining) [2022-10-16 12:56:15,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 128 remaining) [2022-10-16 12:56:15,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 128 remaining) [2022-10-16 12:56:15,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_pushErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 128 remaining) [2022-10-16 12:56:15,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __fswab16Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 128 remaining) [2022-10-16 12:56:15,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __fswab16Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 128 remaining) [2022-10-16 12:56:15,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 128 remaining) [2022-10-16 12:56:15,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 128 remaining) [2022-10-16 12:56:15,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 128 remaining) [2022-10-16 12:56:15,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 128 remaining) [2022-10-16 12:56:15,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 128 remaining) [2022-10-16 12:56:15,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 128 remaining) [2022-10-16 12:56:15,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 128 remaining) [2022-10-16 12:56:15,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 128 remaining) [2022-10-16 12:56:15,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 128 remaining) [2022-10-16 12:56:15,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 128 remaining) [2022-10-16 12:56:15,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 128 remaining) [2022-10-16 12:56:15,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 128 remaining) [2022-10-16 12:56:15,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 128 remaining) [2022-10-16 12:56:15,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 128 remaining) [2022-10-16 12:56:15,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 128 remaining) [2022-10-16 12:56:15,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 128 remaining) [2022-10-16 12:56:15,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 128 remaining) [2022-10-16 12:56:15,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ccp_peekErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 128 remaining) [2022-10-16 12:56:15,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location find_compressorErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 128 remaining) [2022-10-16 12:56:15,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location find_compressorErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 128 remaining) [2022-10-16 12:56:15,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 128 remaining) [2022-10-16 12:56:15,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 128 remaining) [2022-10-16 12:56:15,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 128 remaining) [2022-10-16 12:56:15,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 128 remaining) [2022-10-16 12:56:15,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 128 remaining) [2022-10-16 12:56:15,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 128 remaining) [2022-10-16 12:56:15,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 128 remaining) [2022-10-16 12:56:15,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 128 remaining) [2022-10-16 12:56:15,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 128 remaining) [2022-10-16 12:56:15,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 128 remaining) [2022-10-16 12:56:15,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 128 remaining) [2022-10-16 12:56:15,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 128 remaining) [2022-10-16 12:56:15,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 128 remaining) [2022-10-16 12:56:15,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 12:56:15,132 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:56:15,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:56:15,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:56:15 BoogieIcfgContainer [2022-10-16 12:56:15,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:56:15,305 INFO L158 Benchmark]: Toolchain (without parser) took 36319.85ms. Allocated memory was 162.5MB in the beginning and 554.7MB in the end (delta: 392.2MB). Free memory was 123.2MB in the beginning and 153.1MB in the end (delta: -29.9MB). Peak memory consumption was 363.7MB. Max. memory is 8.0GB. [2022-10-16 12:56:15,305 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 162.5MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:56:15,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3636.55ms. Allocated memory was 162.5MB in the beginning and 211.8MB in the end (delta: 49.3MB). Free memory was 123.1MB in the beginning and 149.4MB in the end (delta: -26.4MB). Peak memory consumption was 120.4MB. Max. memory is 8.0GB. [2022-10-16 12:56:15,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 345.98ms. Allocated memory is still 211.8MB. Free memory was 149.4MB in the beginning and 122.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-10-16 12:56:15,308 INFO L158 Benchmark]: Boogie Preprocessor took 319.59ms. Allocated memory is still 211.8MB. Free memory was 122.7MB in the beginning and 95.2MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-10-16 12:56:15,308 INFO L158 Benchmark]: RCFGBuilder took 6571.51ms. Allocated memory was 211.8MB in the beginning and 324.0MB in the end (delta: 112.2MB). Free memory was 95.2MB in the beginning and 232.9MB in the end (delta: -137.7MB). Peak memory consumption was 105.3MB. Max. memory is 8.0GB. [2022-10-16 12:56:15,309 INFO L158 Benchmark]: TraceAbstraction took 25433.64ms. Allocated memory was 324.0MB in the beginning and 554.7MB in the end (delta: 230.7MB). Free memory was 232.3MB in the beginning and 153.1MB in the end (delta: 79.3MB). Peak memory consumption was 309.9MB. Max. memory is 8.0GB. [2022-10-16 12:56:15,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 162.5MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3636.55ms. Allocated memory was 162.5MB in the beginning and 211.8MB in the end (delta: 49.3MB). Free memory was 123.1MB in the beginning and 149.4MB in the end (delta: -26.4MB). Peak memory consumption was 120.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 345.98ms. Allocated memory is still 211.8MB. Free memory was 149.4MB in the beginning and 122.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 319.59ms. Allocated memory is still 211.8MB. Free memory was 122.7MB in the beginning and 95.2MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * RCFGBuilder took 6571.51ms. Allocated memory was 211.8MB in the beginning and 324.0MB in the end (delta: 112.2MB). Free memory was 95.2MB in the beginning and 232.9MB in the end (delta: -137.7MB). Peak memory consumption was 105.3MB. Max. memory is 8.0GB. * TraceAbstraction took 25433.64ms. Allocated memory was 324.0MB in the beginning and 554.7MB in the end (delta: 230.7MB). Free memory was 232.3MB in the beginning and 153.1MB in the end (delta: 79.3MB). Peak memory consumption was 309.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5595]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 5150, overapproximation of bitwiseAnd at line 5595. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=64, \result={0:0}, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=64] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={4294967298:4294967296}, arg0={4294967298:4294967296}, arg0={4294967298:4294967296}, arg1={20:0}, arg1={20:0}, arg2={71:0}, arg2={71:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={71:0}, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={71:0}, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=1] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10676] COND FALSE !(tmp___0 == 5) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10679] COND FALSE !(tmp___0 == 6) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10682] COND FALSE !(tmp___0 == 7) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10685] COND TRUE tmp___0 == 8 VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=8, tmp___1=1] [L10768] CALL ppp_start_xmit(var_group4, var_group5) [L7739] struct ppp *ppp ; [L7740] void *tmp ; [L7741] int npi ; [L7742] int proto ; [L7743] unsigned char *pp ; [L7744] __u16 tmp___0 ; [L7745] int tmp___1 ; VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev={4294967297:-2560}, dev={4294967297:-2560}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}] [L7748] CALL, EXPR netdev_priv((struct net_device const *)dev) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev={4294967297:-2560}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5952] return ((void *)dev + 2560U); VAL [\result={4294967297:0}, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev={4294967297:-2560}, dev={4294967297:-2560}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7748] RET, EXPR netdev_priv((struct net_device const *)dev) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev={4294967297:-2560}, dev={4294967297:-2560}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, netdev_priv((struct net_device const *)dev)={4294967297:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}] [L7748] tmp = netdev_priv((struct net_device const *)dev) [L7749] ppp = (struct ppp *)tmp [L7750] EXPR skb->protocol VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev={4294967297:-2560}, dev={4294967297:-2560}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4294967297:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}, skb->protocol=65288, tmp={4294967297:0}] [L7750] CALL, EXPR __fswab16((__u16 )((int )skb->protocol)) VAL [\old(val)=65288, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5150] EXPR (int )val << 8 [L5150] return ((__u16 )((int )((short )((int )val << 8)) | (int )((short )((int )val >> 8)))); VAL [\old(val)=65288, \result=2048, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=65288] [L7750] RET, EXPR __fswab16((__u16 )((int )skb->protocol)) VAL [__fswab16((__u16 )((int )skb->protocol))=2048, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev={4294967297:-2560}, dev={4294967297:-2560}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4294967297:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}, skb->protocol=65288, tmp={4294967297:0}] [L7750] tmp___0 = __fswab16((__u16 )((int )skb->protocol)) [L7751] CALL, EXPR ethertype_to_npindex((int )tmp___0) [L6273] COND TRUE ethertype == 2048 VAL [\old(ethertype)=2048, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ethertype=2048, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6296] return (0); VAL [\old(ethertype)=2048, \result=0, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ethertype=2048, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7751] RET, EXPR ethertype_to_npindex((int )tmp___0) [L7751] npi = ethertype_to_npindex((int )tmp___0) [L7753] COND FALSE !(npi < 0) [L7757] EXPR ppp->npmode[npi] VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev={4294967297:-2560}, dev={4294967297:-2560}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi=0, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4294967297:0}, ppp->npmode[npi]=0, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}, tmp={4294967297:0}, tmp___0=2048] [L7757] COND TRUE (int )((unsigned int )ppp->npmode[npi]) == 0 [L7781] CALL skb_cow_head(skb, 4U) [L5860] int tmp ; [L5861] int tmp___0 ; [L5864] CALL skb_header_cloned((struct sk_buff const *)skb) [L5585] int dataref ; [L5586] unsigned char *tmp ; [L5588] EXPR (unsigned char *)skb + 124UL VAL [(unsigned char *)skb + 124UL=257, __this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}] [L5588] COND FALSE !((unsigned int )*((unsigned char *)skb + 124UL) == 0U) [L5593] CALL, EXPR skb_end_pointer(skb) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}] [L5529] EXPR skb->head [L5529] EXPR skb->end [L5529] return ((unsigned char *)skb->head + (unsigned long )skb->end); [L5593] RET, EXPR skb_end_pointer(skb) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}, skb_end_pointer(skb)={4294967299:-33}] [L5593] tmp = skb_end_pointer(skb) [L5594] CALL, EXPR atomic_read((atomic_t const *)(& ((struct skb_shared_info *)tmp)->dataref)) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={4294967299:0}] [L5228] EXPR v->counter [L5228] return ((int )*((int volatile *)(& v->counter))); [L5594] RET, EXPR atomic_read((atomic_t const *)(& ((struct skb_shared_info *)tmp)->dataref)) VAL [__this_module={4294967298:4294967296}, atomic_read((atomic_t const *)(& ((struct skb_shared_info *)tmp)->dataref))=-2147418113, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}, tmp={4294967299:-33}] [L5594] dataref = atomic_read((atomic_t const *)(& ((struct skb_shared_info *)tmp)->dataref)) [L5595] (dataref & 65535) - (dataref >> 16) VAL [__this_module={4294967298:4294967296}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dataref=-2147418113, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, skb={4294967300:0}, skb={4294967300:0}, tmp={4294967299:-33}] - UnprovableResult [Line: 10463]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10463]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8150]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8150]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8170]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8170]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8021]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8021]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10852]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10852]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6158]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6158]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8359]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8359]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8374]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8374]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8376]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8376]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8379]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8379]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8380]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8380]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8392]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8392]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8405]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8405]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8414]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8414]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8431]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8431]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8450]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8450]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8468]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8468]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8470]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8470]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8476]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8476]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8477]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8477]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8478]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8478]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8490]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8490]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8492]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8492]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8493]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8493]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8497]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8499]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8500]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8504]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8504]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8536]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8536]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8536]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8536]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8543]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8543]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5150]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5150]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10167]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10167]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10421]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10421]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7257]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7257]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7257]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7257]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9872]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9872]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9879]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 9879]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10832]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10832]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10703]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10703]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10718]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10718]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10733]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 10733]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5595]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1718 locations, 128 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 3857 SdHoareTripleChecker+Valid, 13.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3655 mSDsluCounter, 92480 SdHoareTripleChecker+Invalid, 12.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62522 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2034 IncrementalHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 29958 mSDtfsCounter, 2034 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2897occurred in iteration=12, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 397 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 710 NumberOfCodeBlocks, 710 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 629 ConstructedInterpolants, 0 QuantifiedInterpolants, 1320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2127 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 34/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 12:56:15,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...