/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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:24:48,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:24:48,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:24:48,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:24:48,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:24:48,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:24:48,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:24:48,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:24:48,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:24:48,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:24:48,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:24:48,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:24:48,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:24:48,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:24:48,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:24:48,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:24:48,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:24:48,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:24:48,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:24:48,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:24:48,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:24:48,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:24:48,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:24:48,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:24:48,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:24:48,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:24:48,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:24:48,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:24:48,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:24:48,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:24:48,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:24:48,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:24:48,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:24:48,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:24:48,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:24:48,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:24:48,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:24:48,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:24:48,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:24:48,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:24:48,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:24:48,898 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 13:24:48,924 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:24:48,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:24:48,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:24:48,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:24:48,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:24:48,926 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:24:48,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:24:48,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:24:48,928 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:24:48,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:24:48,928 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:24:48,929 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:24:48,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:24:48,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:24:48,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:24:48,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:24:48,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:24:48,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:24:48,933 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:24:48,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:24:48,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:24:48,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:24:48,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:24:48,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:24:48,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:24:48,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:24:48,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:24:48,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:24:48,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:24:48,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:24:48,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:24:48,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:24:48,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:24:48,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:24:49,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:24:49,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:24:49,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:24:49,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:24:49,346 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:24:49,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2022-10-16 13:24:49,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4551d2771/8c805c851c4c4bba97e43275fa59be19/FLAGeaeeed309 [2022-10-16 13:24:50,538 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:24:50,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2022-10-16 13:24:50,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4551d2771/8c805c851c4c4bba97e43275fa59be19/FLAGeaeeed309 [2022-10-16 13:24:50,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4551d2771/8c805c851c4c4bba97e43275fa59be19 [2022-10-16 13:24:50,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:24:50,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:24:50,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:24:50,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:24:50,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:24:50,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:50" (1/1) ... [2022-10-16 13:24:50,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389775c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:50, skipping insertion in model container [2022-10-16 13:24:50,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:50" (1/1) ... [2022-10-16 13:24:50,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:24:51,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:24:51,556 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3825] [2022-10-16 13:24:51,560 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3826-3827] [2022-10-16 13:24:52,109 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i[120230,120243] [2022-10-16 13:24:53,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:24:53,268 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:24:53,409 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3825] [2022-10-16 13:24:53,410 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3826-3827] [2022-10-16 13:24:53,424 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i[120230,120243] [2022-10-16 13:24:53,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:24:53,892 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:24:53,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53 WrapperNode [2022-10-16 13:24:53,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:24:53,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:24:53,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:24:53,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:24:53,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:54,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:55,485 INFO L138 Inliner]: procedures = 228, calls = 2575, calls flagged for inlining = 108, calls inlined = 106, statements flattened = 5987 [2022-10-16 13:24:55,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:24:55,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:24:55,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:24:55,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:24:55,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:55,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:55,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:55,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:56,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:56,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:56,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:56,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:57,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:24:57,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:24:57,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:24:57,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:24:57,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (1/1) ... [2022-10-16 13:24:57,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:24:57,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:24:57,228 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 13:24:57,248 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 13:24:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-16 13:24:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-16 13:24:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 13:24:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 13:24:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:24:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:24:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:24:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:24:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 13:24:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 13:24:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:24:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:24:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure sFlushRxFIFO [2022-10-16 13:24:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sFlushRxFIFO [2022-10-16 13:24:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:24:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:24:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2022-10-16 13:24:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2022-10-16 13:24:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-10-16 13:24:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-10-16 13:24:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure rocket_paranoia_check [2022-10-16 13:24:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rocket_paranoia_check [2022-10-16 13:24:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-10-16 13:24:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-10-16 13:24:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 13:24:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 13:24:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:24:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:24:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure rp_wait_until_sent [2022-10-16 13:24:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_wait_until_sent [2022-10-16 13:24:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure sFlushTxFIFO [2022-10-16 13:24:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure sFlushTxFIFO [2022-10-16 13:24:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 13:24:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 13:24:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2022-10-16 13:24:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2022-10-16 13:24:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:24:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:24:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure sInW [2022-10-16 13:24:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sInW [2022-10-16 13:24:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:24:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:24:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure GetLineNumber [2022-10-16 13:24:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure GetLineNumber [2022-10-16 13:24:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-10-16 13:24:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-10-16 13:24:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure rp_send_xchar [2022-10-16 13:24:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_send_xchar [2022-10-16 13:24:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure out32 [2022-10-16 13:24:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure out32 [2022-10-16 13:24:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure sInB [2022-10-16 13:24:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sInB [2022-10-16 13:24:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2022-10-16 13:24:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2022-10-16 13:24:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure rp_start [2022-10-16 13:24:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_start [2022-10-16 13:24:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure sReadAiopID [2022-10-16 13:24:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sReadAiopID [2022-10-16 13:24:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:24:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:24:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-16 13:24:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-16 13:24:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:24:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:24:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:24:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2022-10-16 13:24:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2022-10-16 13:24:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure rp_hangup [2022-10-16 13:24:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_hangup [2022-10-16 13:24:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:24:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 13:24:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 13:24:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-16 13:24:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-16 13:24:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure sSetInterfaceMode [2022-10-16 13:24:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sSetInterfaceMode [2022-10-16 13:24:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-16 13:24:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-16 13:24:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure rp_write_room [2022-10-16 13:24:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_write_room [2022-10-16 13:24:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure rp_tiocmset [2022-10-16 13:24:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_tiocmset [2022-10-16 13:24:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 13:24:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 13:24:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure init_r_port [2022-10-16 13:24:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure init_r_port [2022-10-16 13:24:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure rp_ioctl [2022-10-16 13:24:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_ioctl [2022-10-16 13:24:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure sModemReset [2022-10-16 13:24:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sModemReset [2022-10-16 13:24:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-10-16 13:24:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-10-16 13:24:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:24:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:24:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:24:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 13:24:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 13:24:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure rp_break [2022-10-16 13:24:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_break [2022-10-16 13:24:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:24:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-10-16 13:24:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-10-16 13:24:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure rp_put_char [2022-10-16 13:24:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_put_char [2022-10-16 13:24:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:24:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-10-16 13:24:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-10-16 13:24:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure rp_unthrottle [2022-10-16 13:24:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_unthrottle [2022-10-16 13:24:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 13:24:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 13:24:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:24:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:24:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-16 13:24:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-16 13:24:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:24:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:24:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:24:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 13:24:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 13:24:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2022-10-16 13:24:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2022-10-16 13:24:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:24:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:24:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:24:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 13:24:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 13:24:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:24:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure sPCIModemReset [2022-10-16 13:24:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sPCIModemReset [2022-10-16 13:24:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-10-16 13:24:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-10-16 13:24:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure rp_flush_buffer [2022-10-16 13:24:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_flush_buffer [2022-10-16 13:24:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure rp_chars_in_buffer [2022-10-16 13:24:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_chars_in_buffer [2022-10-16 13:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure configure_r_port [2022-10-16 13:24:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_r_port [2022-10-16 13:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-16 13:24:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-16 13:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-16 13:24:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-16 13:24:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 13:24:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 13:24:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure sOutW [2022-10-16 13:24:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sOutW [2022-10-16 13:24:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 13:24:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 13:24:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure sDisInterrupts [2022-10-16 13:24:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sDisInterrupts [2022-10-16 13:24:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure rp_set_termios [2022-10-16 13:24:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_set_termios [2022-10-16 13:24:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure sOutB [2022-10-16 13:24:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sOutB [2022-10-16 13:24:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure rp_throttle [2022-10-16 13:24:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_throttle [2022-10-16 13:24:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure rp_tiocmget [2022-10-16 13:24:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_tiocmget [2022-10-16 13:24:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2022-10-16 13:24:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2022-10-16 13:24:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure sReadAiopNumChan [2022-10-16 13:24:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sReadAiopNumChan [2022-10-16 13:24:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:24:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:24:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:24:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-16 13:24:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-16 13:24:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:24:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:24:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-16 13:24:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-16 13:24:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:24:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:24:57,980 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:24:57,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:24:58,959 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:26:50,246 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:26:50,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:26:50,272 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 13:26:50,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:26:50 BoogieIcfgContainer [2022-10-16 13:26:50,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:26:50,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:26:50,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:26:50,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:26:50,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:24:50" (1/3) ... [2022-10-16 13:26:50,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d16af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:26:50, skipping insertion in model container [2022-10-16 13:26:50,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:53" (2/3) ... [2022-10-16 13:26:50,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d16af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:26:50, skipping insertion in model container [2022-10-16 13:26:50,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:26:50" (3/3) ... [2022-10-16 13:26:50,287 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2022-10-16 13:26:50,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:26:50,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 240 error locations. [2022-10-16 13:26:50,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:26:50,422 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;@545a8fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:26:50,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 240 error locations. [2022-10-16 13:26:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 2429 states, 1616 states have (on average 1.488861386138614) internal successors, (2406), 1889 states have internal predecessors, (2406), 494 states have call successors, (494), 79 states have call predecessors, (494), 78 states have return successors, (489), 482 states have call predecessors, (489), 489 states have call successors, (489) [2022-10-16 13:26:50,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 13:26:50,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:26:50,451 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:26:50,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [sPCIModemResetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, sPCIModemResetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rp_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 237 more)] === [2022-10-16 13:26:50,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:26:50,458 INFO L85 PathProgramCache]: Analyzing trace with hash -667376015, now seen corresponding path program 1 times [2022-10-16 13:26:50,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:26:50,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778032938] [2022-10-16 13:26:50,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:26:50,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:26:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:51,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:26:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:26:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:26:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:26:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:26:51,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:26:51,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778032938] [2022-10-16 13:26:51,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778032938] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:26:51,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:26:51,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:26:51,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653006709] [2022-10-16 13:26:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:26:51,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:26:51,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:26:51,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:26:51,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:26:51,837 INFO L87 Difference]: Start difference. First operand has 2429 states, 1616 states have (on average 1.488861386138614) internal successors, (2406), 1889 states have internal predecessors, (2406), 494 states have call successors, (494), 79 states have call predecessors, (494), 78 states have return successors, (489), 482 states have call predecessors, (489), 489 states have call successors, (489) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 13:26:53,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:58,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:13,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:13,533 INFO L93 Difference]: Finished difference Result 7316 states and 10578 transitions. [2022-10-16 13:27:13,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:27:13,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 37 [2022-10-16 13:27:13,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:13,611 INFO L225 Difference]: With dead ends: 7316 [2022-10-16 13:27:13,611 INFO L226 Difference]: Without dead ends: 4859 [2022-10-16 13:27:13,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:27:13,641 INFO L413 NwaCegarLoop]: 3571 mSDtfsCounter, 3696 mSDsluCounter, 3766 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 1271 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4137 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 3902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1271 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:13,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4137 Valid, 7337 Invalid, 3902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1271 Valid, 2629 Invalid, 2 Unknown, 0 Unchecked, 20.9s Time] [2022-10-16 13:27:13,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4859 states. [2022-10-16 13:27:13,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 4465. [2022-10-16 13:27:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4465 states, 3161 states have (on average 1.438785194558684) internal successors, (4548), 3407 states have internal predecessors, (4548), 958 states have call successors, (958), 152 states have call predecessors, (958), 152 states have return successors, (958), 943 states have call predecessors, (958), 958 states have call successors, (958) [2022-10-16 13:27:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6464 transitions. [2022-10-16 13:27:14,021 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6464 transitions. Word has length 37 [2022-10-16 13:27:14,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:14,022 INFO L495 AbstractCegarLoop]: Abstraction has 4465 states and 6464 transitions. [2022-10-16 13:27:14,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 13:27:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6464 transitions. [2022-10-16 13:27:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 13:27:14,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:14,026 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:27:14,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:27:14,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW === [sPCIModemResetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, sPCIModemResetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rp_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 237 more)] === [2022-10-16 13:27:14,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1275801222, now seen corresponding path program 1 times [2022-10-16 13:27:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:14,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410556830] [2022-10-16 13:27:14,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:27:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:27:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:27:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:27:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:27:14,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:14,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410556830] [2022-10-16 13:27:14,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410556830] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:27:14,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:27:14,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:27:14,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248568223] [2022-10-16 13:27:14,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:27:14,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:27:14,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:14,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:27:14,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:27:14,881 INFO L87 Difference]: Start difference. First operand 4465 states and 6464 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 13:27:16,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:21,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:36,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:36,717 INFO L93 Difference]: Finished difference Result 13294 states and 19429 transitions. [2022-10-16 13:27:36,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:27:36,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 38 [2022-10-16 13:27:36,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:36,792 INFO L225 Difference]: With dead ends: 13294 [2022-10-16 13:27:36,792 INFO L226 Difference]: Without dead ends: 8840 [2022-10-16 13:27:36,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:27:36,823 INFO L413 NwaCegarLoop]: 3596 mSDtfsCounter, 3417 mSDsluCounter, 3800 mSDsCounter, 0 mSdLazyCounter, 2594 mSolverCounterSat, 1235 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3842 SdHoareTripleChecker+Valid, 7396 SdHoareTripleChecker+Invalid, 3831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 2594 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:36,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3842 Valid, 7396 Invalid, 3831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1235 Valid, 2594 Invalid, 2 Unknown, 0 Unchecked, 21.2s Time] [2022-10-16 13:27:36,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8840 states. [2022-10-16 13:27:37,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8840 to 8278. [2022-10-16 13:27:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8278 states, 5927 states have (on average 1.435296102581407) internal successors, (8507), 6223 states have internal predecessors, (8507), 1857 states have call successors, (1857), 300 states have call predecessors, (1857), 300 states have return successors, (1857), 1826 states have call predecessors, (1857), 1857 states have call successors, (1857) [2022-10-16 13:27:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8278 states to 8278 states and 12221 transitions. [2022-10-16 13:27:37,297 INFO L78 Accepts]: Start accepts. Automaton has 8278 states and 12221 transitions. Word has length 38 [2022-10-16 13:27:37,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:37,298 INFO L495 AbstractCegarLoop]: Abstraction has 8278 states and 12221 transitions. [2022-10-16 13:27:37,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 13:27:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 8278 states and 12221 transitions. [2022-10-16 13:27:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 13:27:37,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:37,309 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:27:37,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:27:37,310 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [sPCIModemResetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, sPCIModemResetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rp_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 237 more)] === [2022-10-16 13:27:37,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:37,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1860381332, now seen corresponding path program 1 times [2022-10-16 13:27:37,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:37,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690397220] [2022-10-16 13:27:37,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:37,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:27:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:27:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:27:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:27:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 13:27:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:27:38,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:38,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690397220] [2022-10-16 13:27:38,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690397220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:27:38,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:27:38,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:27:38,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305547733] [2022-10-16 13:27:38,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:27:38,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:27:38,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:38,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:27:38,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:27:38,209 INFO L87 Difference]: Start difference. First operand 8278 states and 12221 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:27:40,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:42,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:45,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:00,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:28:00,886 INFO L93 Difference]: Finished difference Result 23296 states and 34557 transitions. [2022-10-16 13:28:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:28:00,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-10-16 13:28:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:28:01,000 INFO L225 Difference]: With dead ends: 23296 [2022-10-16 13:28:01,001 INFO L226 Difference]: Without dead ends: 15029 [2022-10-16 13:28:01,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:28:01,050 INFO L413 NwaCegarLoop]: 3839 mSDtfsCounter, 3627 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 1107 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4058 SdHoareTripleChecker+Valid, 7134 SdHoareTripleChecker+Invalid, 3600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1107 IncrementalHoareTripleChecker+Valid, 2490 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:28:01,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4058 Valid, 7134 Invalid, 3600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1107 Valid, 2490 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2022-10-16 13:28:01,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15029 states. [2022-10-16 13:28:01,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15029 to 14041. [2022-10-16 13:28:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14041 states, 10104 states have (on average 1.4209224069675377) internal successors, (14357), 10468 states have internal predecessors, (14357), 3184 states have call successors, (3184), 559 states have call predecessors, (3184), 559 states have return successors, (3184), 3137 states have call predecessors, (3184), 3184 states have call successors, (3184) [2022-10-16 13:28:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14041 states to 14041 states and 20725 transitions. [2022-10-16 13:28:01,933 INFO L78 Accepts]: Start accepts. Automaton has 14041 states and 20725 transitions. Word has length 41 [2022-10-16 13:28:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:28:01,934 INFO L495 AbstractCegarLoop]: Abstraction has 14041 states and 20725 transitions. [2022-10-16 13:28:01,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:28:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 14041 states and 20725 transitions. [2022-10-16 13:28:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 13:28:01,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:28:01,944 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:28:01,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:28:01,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting rp_write_roomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [sPCIModemResetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, sPCIModemResetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rp_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 237 more)] === [2022-10-16 13:28:01,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:28:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1043542653, now seen corresponding path program 1 times [2022-10-16 13:28:01,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:28:01,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233830971] [2022-10-16 13:28:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:28:01,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:28:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:28:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:28:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:28:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:28:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:28:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:28:02,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:28:02,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233830971] [2022-10-16 13:28:02,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233830971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:28:02,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:28:02,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:28:02,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073416691] [2022-10-16 13:28:02,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:28:02,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:28:02,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:28:02,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:28:02,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:28:02,602 INFO L87 Difference]: Start difference. First operand 14041 states and 20725 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:28:04,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:07,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:22,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:28:22,203 INFO L93 Difference]: Finished difference Result 32997 states and 48890 transitions. [2022-10-16 13:28:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:28:22,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-10-16 13:28:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:28:22,289 INFO L225 Difference]: With dead ends: 32997 [2022-10-16 13:28:22,289 INFO L226 Difference]: Without dead ends: 18967 [2022-10-16 13:28:22,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:28:22,339 INFO L413 NwaCegarLoop]: 3803 mSDtfsCounter, 1797 mSDsluCounter, 3813 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 691 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 7616 SdHoareTripleChecker+Invalid, 3328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:28:22,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 7616 Invalid, 3328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 2635 Invalid, 2 Unknown, 0 Unchecked, 18.9s Time] [2022-10-16 13:28:22,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18967 states. [2022-10-16 13:28:23,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18967 to 18013. [2022-10-16 13:28:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18013 states, 13187 states have (on average 1.4267839538939866) internal successors, (18815), 13591 states have internal predecessors, (18815), 3899 states have call successors, (3899), 733 states have call predecessors, (3899), 733 states have return successors, (3899), 3840 states have call predecessors, (3899), 3899 states have call successors, (3899) [2022-10-16 13:28:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18013 states to 18013 states and 26613 transitions. [2022-10-16 13:28:23,320 INFO L78 Accepts]: Start accepts. Automaton has 18013 states and 26613 transitions. Word has length 61 [2022-10-16 13:28:23,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:28:23,322 INFO L495 AbstractCegarLoop]: Abstraction has 18013 states and 26613 transitions. [2022-10-16 13:28:23,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:28:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 18013 states and 26613 transitions. [2022-10-16 13:28:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 13:28:23,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:28:23,326 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:28:23,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:28:23,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [sPCIModemResetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, sPCIModemResetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, rp_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 237 more)] === [2022-10-16 13:28:23,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:28:23,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1190667265, now seen corresponding path program 1 times [2022-10-16 13:28:23,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:28:23,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951312850] [2022-10-16 13:28:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:28:23,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:28:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:28:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:28:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:28:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:28:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 13:28:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:28:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:28:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:28:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:28:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:28:24,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951312850] [2022-10-16 13:28:24,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951312850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:28:24,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:28:24,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:28:24,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019562986] [2022-10-16 13:28:24,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:28:24,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:28:24,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:28:24,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:28:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:28:24,565 INFO L87 Difference]: Start difference. First operand 18013 states and 26613 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:28:26,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:28,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:31,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []