/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:06:49,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:06:49,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:06:49,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:06:49,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:06:49,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:06:49,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:06:49,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:06:49,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:06:49,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:06:49,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:06:49,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:06:49,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:06:49,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:06:49,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:06:49,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:06:49,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:06:49,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:06:49,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:06:49,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:06:49,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:06:49,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:06:49,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:06:49,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:06:49,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:06:49,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:06:49,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:06:49,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:06:49,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:06:49,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:06:49,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:06:49,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:06:49,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:06:49,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:06:49,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:06:49,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:06:49,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:06:49,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:06:49,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:06:49,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:06:49,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:06:49,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:06:49,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:06:49,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:06:49,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:06:49,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:06:49,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:06:49,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:06:49,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:06:49,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:06:49,978 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:06:49,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:06:49,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:06:49,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:06:49,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:06:49,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:06:49,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:06:49,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:06:49,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:06:49,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:06:49,981 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:06:49,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:06:49,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:06:49,982 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:06:49,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:06:49,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:06:49,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:06:49,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:06:49,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:49,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:06:49,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:06:49,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:06:49,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:06:49,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:06:49,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:06:49,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:06:50,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:06:50,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:06:50,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:06:50,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:06:50,462 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:06:50,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2022-10-15 21:06:50,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517748346/23d9cf028b274cccbedd2285d9018f50/FLAG07e9e95a3 [2022-10-15 21:06:51,856 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:06:51,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2022-10-15 21:06:51,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517748346/23d9cf028b274cccbedd2285d9018f50/FLAG07e9e95a3 [2022-10-15 21:06:52,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517748346/23d9cf028b274cccbedd2285d9018f50 [2022-10-15 21:06:52,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:06:52,098 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:06:52,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:52,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:06:52,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:06:52,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:52" (1/1) ... [2022-10-15 21:06:52,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff37da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:52, skipping insertion in model container [2022-10-15 21:06:52,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:52" (1/1) ... [2022-10-15 21:06:52,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:06:52,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:06:55,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2022-10-15 21:06:55,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:55,895 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:06:56,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2022-10-15 21:06:56,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:56,882 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:06:56,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56 WrapperNode [2022-10-15 21:06:56,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:56,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:56,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:06:56,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:06:56,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:06:57,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:06:58,833 INFO L138 Inliner]: procedures = 341, calls = 1845, calls flagged for inlining = 158, calls inlined = 154, statements flattened = 5117 [2022-10-15 21:06:58,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:58,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:06:58,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:06:58,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:06:58,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:06:58,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:06:59,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:06:59,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:07:00,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:07:00,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:07:00,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:07:00,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:07:00,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:07:00,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:07:00,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:07:00,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:07:00,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (1/1) ... [2022-10-15 21:07:00,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:07:00,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:07:00,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:07:00,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:07:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure queue_iso [2022-10-15 21:07:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_iso [2022-10-15 21:07:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-15 21:07:01,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-15 21:07:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_channel [2022-10-15 21:07:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_channel [2022-10-15 21:07:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2022-10-15 21:07:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2022-10-15 21:07:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_establish_pp_connection [2022-10-15 21:07:01,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_establish_pp_connection [2022-10-15 21:07:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:07:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:07:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-15 21:07:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure node_req [2022-10-15 21:07:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure node_req [2022-10-15 21:07:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:07:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:07:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_lock [2022-10-15 21:07:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_lock [2022-10-15 21:07:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2022-10-15 21:07:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2022-10-15 21:07:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-15 21:07:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-15 21:07:01,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:07:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:07:01,042 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_read [2022-10-15 21:07:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_read [2022-10-15 21:07:01,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2022-10-15 21:07:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2022-10-15 21:07:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:07:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:07:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:07:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:07:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure pad_operands [2022-10-15 21:07:01,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_operands [2022-10-15 21:07:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_set_pids [2022-10-15 21:07:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_set_pids [2022-10-15 21:07:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_ca_io_poll [2022-10-15 21:07:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_ca_io_poll [2022-10-15 21:07:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2022-10-15 21:07:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2022-10-15 21:07:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_release [2022-10-15 21:07:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_release [2022-10-15 21:07:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure clear_operands [2022-10-15 21:07:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_operands [2022-10-15 21:07:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:07:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:07:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_open [2022-10-15 21:07:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_open [2022-10-15 21:07:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:07:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-15 21:07:01,046 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-15 21:07:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure avc_write [2022-10-15 21:07:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_write [2022-10-15 21:07:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_opcr [2022-10-15 21:07:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure get_opcr [2022-10-15 21:07:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:07:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-10-15 21:07:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-10-15 21:07:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure collect_channels [2022-10-15 21:07:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_channels [2022-10-15 21:07:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:07:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:07:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_destroy [2022-10-15 21:07:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_destroy [2022-10-15 21:07:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_unregister_rc [2022-10-15 21:07:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_unregister_rc [2022-10-15 21:07:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_status [2022-10-15 21:07:01,050 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_status [2022-10-15 21:07:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:07:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:07:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:07:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:07:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:07:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:07:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:07:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:07:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-10-15 21:07:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-10-15 21:07:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2022-10-15 21:07:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2022-10-15 21:07:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:07:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:07:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:07:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2022-10-15 21:07:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2022-10-15 21:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2022-10-15 21:07:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2022-10-15 21:07:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure add_pid_filter [2022-10-15 21:07:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure add_pid_filter [2022-10-15 21:07:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:07:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure is_register_rc [2022-10-15 21:07:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure is_register_rc [2022-10-15 21:07:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure dealloc_channel [2022-10-15 21:07:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dealloc_channel [2022-10-15 21:07:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:07:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:07:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:07:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-10-15 21:07:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-10-15 21:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2022-10-15 21:07:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2022-10-15 21:07:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure debug_fcp [2022-10-15 21:07:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_fcp [2022-10-15 21:07:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-10-15 21:07:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-10-15 21:07:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 21:07:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 21:07:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:07:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2022-10-15 21:07:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2022-10-15 21:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:07:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure set_opcr [2022-10-15 21:07:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure set_opcr [2022-10-15 21:07:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 21:07:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 21:07:01,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:07:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:07:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_buffer_destroy [2022-10-15 21:07:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_buffer_destroy [2022-10-15 21:07:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2022-10-15 21:07:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2022-10-15 21:07:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_ca_object_pos [2022-10-15 21:07:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ca_object_pos [2022-10-15 21:07:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure node_update [2022-10-15 21:07:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure node_update [2022-10-15 21:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure avc_register_remote_control [2022-10-15 21:07:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_register_remote_control [2022-10-15 21:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2022-10-15 21:07:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2022-10-15 21:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:07:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:07:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure device_of [2022-10-15 21:07:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure device_of [2022-10-15 21:07:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2022-10-15 21:07:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2022-10-15 21:07:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2022-10-15 21:07:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2022-10-15 21:07:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:07:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:07:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:07:02,228 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:07:02,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:07:35,750 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:07:35,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:07:35,785 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:07:35,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:35 BoogieIcfgContainer [2022-10-15 21:07:35,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:07:35,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:07:35,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:07:35,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:07:35,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:06:52" (1/3) ... [2022-10-15 21:07:35,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10511603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:35, skipping insertion in model container [2022-10-15 21:07:35,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:56" (2/3) ... [2022-10-15 21:07:35,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10511603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:35, skipping insertion in model container [2022-10-15 21:07:35,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:35" (3/3) ... [2022-10-15 21:07:35,807 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2022-10-15 21:07:35,833 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:07:35,833 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 220 error locations. [2022-10-15 21:07:35,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:07:35,983 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;@75e954ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:07:35,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 220 error locations. [2022-10-15 21:07:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 1779 states, 1250 states have (on average 1.508) internal successors, (1885), 1492 states have internal predecessors, (1885), 243 states have call successors, (243), 65 states have call predecessors, (243), 65 states have return successors, (243), 243 states have call predecessors, (243), 243 states have call successors, (243) [2022-10-15 21:07:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-15 21:07:36,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:36,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:36,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [queue_isoErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, queue_isoErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, queue_isoErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 217 more)] === [2022-10-15 21:07:36,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:36,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2045545780, now seen corresponding path program 1 times [2022-10-15 21:07:36,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:36,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881920043] [2022-10-15 21:07:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:07:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:36,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:36,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881920043] [2022-10-15 21:07:36,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881920043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:36,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:36,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450953189] [2022-10-15 21:07:36,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:36,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:36,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:36,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:36,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:36,909 INFO L87 Difference]: Start difference. First operand has 1779 states, 1250 states have (on average 1.508) internal successors, (1885), 1492 states have internal predecessors, (1885), 243 states have call successors, (243), 65 states have call predecessors, (243), 65 states have return successors, (243), 243 states have call predecessors, (243), 243 states have call successors, (243) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-15 21:07:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:37,483 INFO L93 Difference]: Finished difference Result 5232 states and 7229 transitions. [2022-10-15 21:07:37,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:37,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2022-10-15 21:07:37,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:37,534 INFO L225 Difference]: With dead ends: 5232 [2022-10-15 21:07:37,535 INFO L226 Difference]: Without dead ends: 3408 [2022-10-15 21:07:37,561 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 [2022-10-15 21:07:37,565 INFO L413 NwaCegarLoop]: 2549 mSDtfsCounter, 2258 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 4839 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:37,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2258 Valid, 4839 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:07:37,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2022-10-15 21:07:37,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3223. [2022-10-15 21:07:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3223 states, 2444 states have (on average 1.4648117839607202) internal successors, (3580), 2658 states have internal predecessors, (3580), 462 states have call successors, (462), 128 states have call predecessors, (462), 128 states have return successors, (462), 462 states have call predecessors, (462), 462 states have call successors, (462) [2022-10-15 21:07:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 4504 transitions. [2022-10-15 21:07:37,878 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 4504 transitions. Word has length 14 [2022-10-15 21:07:37,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:37,879 INFO L495 AbstractCegarLoop]: Abstraction has 3223 states and 4504 transitions. [2022-10-15 21:07:37,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-15 21:07:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 4504 transitions. [2022-10-15 21:07:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:07:37,884 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:37,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:37,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:07:37,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting cmp_establish_pp_connectionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [queue_isoErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, queue_isoErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, queue_isoErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 217 more)] === [2022-10-15 21:07:37,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:37,886 INFO L85 PathProgramCache]: Analyzing trace with hash -518345072, now seen corresponding path program 1 times [2022-10-15 21:07:37,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:37,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763959509] [2022-10-15 21:07:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:07:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:38,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:38,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763959509] [2022-10-15 21:07:38,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763959509] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:38,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:38,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:07:38,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396511130] [2022-10-15 21:07:38,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:38,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:38,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:38,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:38,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:07:38,195 INFO L87 Difference]: Start difference. First operand 3223 states and 4504 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:07:43,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:43,667 INFO L93 Difference]: Finished difference Result 7864 states and 11008 transitions. [2022-10-15 21:07:43,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:07:43,668 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2022-10-15 21:07:43,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:43,723 INFO L225 Difference]: With dead ends: 7864 [2022-10-15 21:07:43,723 INFO L226 Difference]: Without dead ends: 4644 [2022-10-15 21:07:43,747 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 [2022-10-15 21:07:43,749 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 1785 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 5410 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:43,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 5410 Invalid, 1168 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [338 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-15 21:07:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2022-10-15 21:07:44,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4419. [2022-10-15 21:07:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 3449 states have (on average 1.4766599014207016) internal successors, (5093), 3673 states have internal predecessors, (5093), 610 states have call successors, (610), 171 states have call predecessors, (610), 171 states have return successors, (610), 610 states have call predecessors, (610), 610 states have call successors, (610) [2022-10-15 21:07:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6313 transitions. [2022-10-15 21:07:44,086 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6313 transitions. Word has length 26 [2022-10-15 21:07:44,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:44,088 INFO L495 AbstractCegarLoop]: Abstraction has 4419 states and 6313 transitions. [2022-10-15 21:07:44,088 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:07:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6313 transitions. [2022-10-15 21:07:44,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-15 21:07:44,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:44,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:44,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:07:44,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting clear_operandsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [queue_isoErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, queue_isoErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, queue_isoErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 217 more)] === [2022-10-15 21:07:44,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash 881381548, now seen corresponding path program 1 times [2022-10-15 21:07:44,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:44,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640642440] [2022-10-15 21:07:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:44,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:07:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:07:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:44,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:44,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640642440] [2022-10-15 21:07:44,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640642440] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:44,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:44,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:07:44,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969823310] [2022-10-15 21:07:44,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:44,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:44,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:44,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:44,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:07:44,511 INFO L87 Difference]: Start difference. First operand 4419 states and 6313 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)