/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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_sdio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:15:54,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:15:54,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:15:54,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:15:54,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:15:54,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:15:54,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:15:54,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:15:54,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:15:54,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:15:54,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:15:54,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:15:54,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:15:54,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:15:54,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:15:54,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:15:54,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:15:54,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:15:54,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:15:54,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:15:54,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:15:54,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:15:54,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:15:54,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:15:54,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:15:54,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:15:54,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:15:54,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:15:54,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:15:54,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:15:54,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:15:54,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:15:54,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:15:54,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:15:54,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:15:54,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:15:54,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:15:54,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:15:54,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:15:54,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:15:54,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:15:54,254 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 21:15:54,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:15:54,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:15:54,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:15:54,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:15:54,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:15:54,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:15:54,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:15:54,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:15:54,298 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:15:54,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:15:54,302 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:15:54,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:15:54,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:15:54,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:15:54,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:15:54,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:15:54,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:15:54,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:15:54,303 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:15:54,304 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:15:54,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:15:54,304 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:15:54,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:15:54,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:15:54,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:15:54,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:15:54,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:15:54,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:15:54,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:15:54,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:15:54,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:15:54,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:15:54,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:15:54,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:15:54,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:15:54,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:15:54,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:15:54,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:15:54,701 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:15:54,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_sdio.ko-entry_point.cil.out.i [2022-10-15 21:15:54,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c99d0d1/33d367eaed5e43e685c41be00c4842b8/FLAG82313242e [2022-10-15 21:15:55,943 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:15:55,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_sdio.ko-entry_point.cil.out.i [2022-10-15 21:15:56,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c99d0d1/33d367eaed5e43e685c41be00c4842b8/FLAG82313242e [2022-10-15 21:15:56,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c99d0d1/33d367eaed5e43e685c41be00c4842b8 [2022-10-15 21:15:56,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:15:56,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:15:56,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:15:56,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:15:56,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:15:56,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:15:56" (1/1) ... [2022-10-15 21:15:56,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa55fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:56, skipping insertion in model container [2022-10-15 21:15:56,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:15:56" (1/1) ... [2022-10-15 21:15:56,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:15:56,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:15:57,602 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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_sdio.ko-entry_point.cil.out.i[209352,209365] [2022-10-15 21:15:58,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:15:58,801 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:15:59,014 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-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_sdio.ko-entry_point.cil.out.i[209352,209365] [2022-10-15 21:15:59,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:15:59,458 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:15:59,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59 WrapperNode [2022-10-15 21:15:59,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:15:59,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:15:59,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:15:59,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:15:59,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:15:59,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:15:59,794 INFO L138 Inliner]: procedures = 188, calls = 2240, calls flagged for inlining = 91, calls inlined = 86, statements flattened = 5077 [2022-10-15 21:15:59,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:15:59,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:15:59,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:15:59,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:15:59,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:15:59,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:15:59,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:15:59,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:16:00,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:16:00,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:16:00,146 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:16:00,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:16:00,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:16:00,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:16:00,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:16:00,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:16:00,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (1/1) ... [2022-10-15 21:16:00,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:16:00,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:16:00,274 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 21:16:00,290 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 21:16:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:16:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:16:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-10-15 21:16:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-10-15 21:16:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:16:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_release_host [2022-10-15 21:16:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_release_host [2022-10-15 21:16:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_to_card [2022-10-15 21:16:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_to_card [2022-10-15 21:16:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:16:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:16:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:16:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:16:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:16:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_get_host_pm_caps [2022-10-15 21:16:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_get_host_pm_caps [2022-10-15 21:16:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_sync [2022-10-15 21:16:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_sync [2022-10-15 21:16:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:16:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:16:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_sdio_card_to_host [2022-10-15 21:16:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_sdio_card_to_host [2022-10-15 21:16:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure mp_tx_aggr_port_limit_reached [2022-10-15 21:16:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mp_tx_aggr_port_limit_reached [2022-10-15 21:16:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:16:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:16:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-10-15 21:16:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-10-15 21:16:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-10-15 21:16:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-10-15 21:16:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-15 21:16:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-15 21:16:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:16:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:16:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-10-15 21:16:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-10-15 21:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_read_reg [2022-10-15 21:16:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_read_reg [2022-10-15 21:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_reg [2022-10-15 21:16:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_reg [2022-10-15 21:16:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:16:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_read_data_sync [2022-10-15 21:16:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_read_data_sync [2022-10-15 21:16:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:16:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-10-15 21:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:16:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:16:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:16:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:16:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-15 21:16:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-15 21:16:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:16:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_release_irq [2022-10-15 21:16:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_release_irq [2022-10-15 21:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_disable_func [2022-10-15 21:16:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_disable_func [2022-10-15 21:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:16:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure sdio_claim_host [2022-10-15 21:16:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sdio_claim_host [2022-10-15 21:16:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_reg_locked [2022-10-15 21:16:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_reg_locked [2022-10-15 21:16:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_sdio_cmdrsp_complete [2022-10-15 21:16:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_sdio_cmdrsp_complete [2022-10-15 21:16:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-15 21:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:16:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:16:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-15 21:16:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-15 21:16:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:16:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 21:16:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 21:16:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:16:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:16:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-10-15 21:16:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-10-15 21:16:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:16:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:16:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-15 21:16:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-15 21:16:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:16:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_host_to_card_mp_aggr [2022-10-15 21:16:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_host_to_card_mp_aggr [2022-10-15 21:16:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_sdio_resume [2022-10-15 21:16:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_sdio_resume [2022-10-15 21:16:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-10-15 21:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:16:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_decode_rx_packet [2022-10-15 21:16:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_decode_rx_packet [2022-10-15 21:16:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:16:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:16:01,119 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:16:01,122 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:16:01,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:16:11,529 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:16:11,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:16:11,550 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-15 21:16:11,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:16:11 BoogieIcfgContainer [2022-10-15 21:16:11,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:16:11,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:16:11,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:16:11,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:16:11,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:15:56" (1/3) ... [2022-10-15 21:16:11,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac0972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:16:11, skipping insertion in model container [2022-10-15 21:16:11,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:59" (2/3) ... [2022-10-15 21:16:11,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac0972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:16:11, skipping insertion in model container [2022-10-15 21:16:11,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:16:11" (3/3) ... [2022-10-15 21:16:11,569 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_sdio.ko-entry_point.cil.out.i [2022-10-15 21:16:11,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:16:11,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 108 error locations. [2022-10-15 21:16:11,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:16:11,707 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;@1432bb6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:16:11,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2022-10-15 21:16:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 1332 states, 992 states have (on average 1.5211693548387097) internal successors, (1509), 1112 states have internal predecessors, (1509), 192 states have call successors, (192), 40 states have call predecessors, (192), 39 states have return successors, (186), 185 states have call predecessors, (186), 186 states have call successors, (186) [2022-10-15 21:16:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 21:16:11,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:16:11,739 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] [2022-10-15 21:16:11,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [mp_tx_aggr_port_limit_reachedErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_tx_aggr_port_limit_reachedErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 106 more)] === [2022-10-15 21:16:11,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:16:11,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1075086450, now seen corresponding path program 1 times [2022-10-15 21:16:11,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:16:11,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415368267] [2022-10-15 21:16:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:16:11,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:16:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:16:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:16:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:16:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:16:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:16:12,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:16:12,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415368267] [2022-10-15 21:16:12,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415368267] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:16:12,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:16:12,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:16:12,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900038398] [2022-10-15 21:16:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:16:12,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:16:12,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:16:12,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:16:12,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:16:12,680 INFO L87 Difference]: Start difference. First operand has 1332 states, 992 states have (on average 1.5211693548387097) internal successors, (1509), 1112 states have internal predecessors, (1509), 192 states have call successors, (192), 40 states have call predecessors, (192), 39 states have return successors, (186), 185 states have call predecessors, (186), 186 states have call successors, (186) Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 2 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) [2022-10-15 21:16:14,874 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 [] [2022-10-15 21:16:19,981 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 [] [2022-10-15 21:16:20,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:16:20,855 INFO L93 Difference]: Finished difference Result 2652 states and 3888 transitions. [2022-10-15 21:16:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:16:20,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 2 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 [2022-10-15 21:16:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:16:20,904 INFO L225 Difference]: With dead ends: 2652 [2022-10-15 21:16:20,905 INFO L226 Difference]: Without dead ends: 1300 [2022-10-15 21:16:20,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 21:16:20,927 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 191 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 193 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 2765 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:16:20,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 2765 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 528 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-10-15 21:16:20,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2022-10-15 21:16:21,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1255. [2022-10-15 21:16:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 976 states have (on average 1.4528688524590163) internal successors, (1418), 1036 states have internal predecessors, (1418), 185 states have call successors, (185), 38 states have call predecessors, (185), 38 states have return successors, (185), 184 states have call predecessors, (185), 185 states have call successors, (185) [2022-10-15 21:16:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1788 transitions. [2022-10-15 21:16:21,145 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1788 transitions. Word has length 38 [2022-10-15 21:16:21,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:16:21,147 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1788 transitions. [2022-10-15 21:16:21,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 2 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) [2022-10-15 21:16:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1788 transitions. [2022-10-15 21:16:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:16:21,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:16:21,159 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] [2022-10-15 21:16:21,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:16:21,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mp_tx_aggr_port_limit_reachedErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_tx_aggr_port_limit_reachedErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 106 more)] === [2022-10-15 21:16:21,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:16:21,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1060373421, now seen corresponding path program 1 times [2022-10-15 21:16:21,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:16:21,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833111056] [2022-10-15 21:16:21,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:16:21,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:16:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:16:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:16:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:16:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:21,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:16:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:16:21,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:16:21,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833111056] [2022-10-15 21:16:21,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833111056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:16:21,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:16:21,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:16:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960970503] [2022-10-15 21:16:21,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:16:21,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:16:21,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:16:21,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:16:21,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:16:21,589 INFO L87 Difference]: Start difference. First operand 1255 states and 1788 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), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:16:23,714 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 [] [2022-10-15 21:16:28,784 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 [] [2022-10-15 21:16:30,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:16:30,939 INFO L93 Difference]: Finished difference Result 3758 states and 5375 transitions. [2022-10-15 21:16:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:16:30,941 INFO L78 Accepts]: Start accepts. Automaton has 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), 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 41 [2022-10-15 21:16:30,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:16:30,963 INFO L225 Difference]: With dead ends: 3758 [2022-10-15 21:16:30,963 INFO L226 Difference]: Without dead ends: 2515 [2022-10-15 21:16:30,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 21:16:30,971 INFO L413 NwaCegarLoop]: 1915 mSDtfsCounter, 1966 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 420 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 4376 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:16:30,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 4376 Invalid, 1414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [420 Valid, 992 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-10-15 21:16:30,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-10-15 21:16:31,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2371. [2022-10-15 21:16:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 1882 states have (on average 1.4505844845908609) internal successors, (2730), 1948 states have internal predecessors, (2730), 358 states have call successors, (358), 75 states have call predecessors, (358), 75 states have return successors, (358), 355 states have call predecessors, (358), 358 states have call successors, (358) [2022-10-15 21:16:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 3446 transitions. [2022-10-15 21:16:31,128 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 3446 transitions. Word has length 41 [2022-10-15 21:16:31,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:16:31,129 INFO L495 AbstractCegarLoop]: Abstraction has 2371 states and 3446 transitions. [2022-10-15 21:16:31,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:16:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 3446 transitions. [2022-10-15 21:16:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-15 21:16:31,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:16:31,134 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] [2022-10-15 21:16:31,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:16:31,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mp_tx_aggr_port_limit_reachedErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_tx_aggr_port_limit_reachedErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 106 more)] === [2022-10-15 21:16:31,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:16:31,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1581936941, now seen corresponding path program 1 times [2022-10-15 21:16:31,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:16:31,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813136025] [2022-10-15 21:16:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:16:31,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:16:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:31,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:16:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:16:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:16:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:16:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:16:31,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:16:31,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813136025] [2022-10-15 21:16:31,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813136025] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:16:31,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:16:31,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:16:31,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47290890] [2022-10-15 21:16:31,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:16:31,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:16:31,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:16:31,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:16:31,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:16:31,611 INFO L87 Difference]: Start difference. First operand 2371 states and 3446 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-10-15 21:16:33,714 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 [] [2022-10-15 21:16:34,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:40,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:41,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:16:41,378 INFO L93 Difference]: Finished difference Result 5254 states and 7611 transitions. [2022-10-15 21:16:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:16:41,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 42 [2022-10-15 21:16:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:16:41,404 INFO L225 Difference]: With dead ends: 5254 [2022-10-15 21:16:41,404 INFO L226 Difference]: Without dead ends: 2895 [2022-10-15 21:16:41,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 21:16:41,415 INFO L413 NwaCegarLoop]: 1875 mSDtfsCounter, 570 mSDsluCounter, 2463 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 221 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 4338 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:16:41,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 4338 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 924 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-10-15 21:16:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2022-10-15 21:16:41,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2771. [2022-10-15 21:16:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2208 states have (on average 1.443840579710145) internal successors, (3188), 2276 states have internal predecessors, (3188), 405 states have call successors, (405), 102 states have call predecessors, (405), 102 states have return successors, (405), 400 states have call predecessors, (405), 405 states have call successors, (405) [2022-10-15 21:16:41,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3998 transitions. [2022-10-15 21:16:41,575 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3998 transitions. Word has length 42 [2022-10-15 21:16:41,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:16:41,575 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3998 transitions. [2022-10-15 21:16:41,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-10-15 21:16:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3998 transitions. [2022-10-15 21:16:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 21:16:41,581 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:16:41,581 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] [2022-10-15 21:16:41,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:16:41,582 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [mp_tx_aggr_port_limit_reachedErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_tx_aggr_port_limit_reachedErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 106 more)] === [2022-10-15 21:16:41,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:16:41,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2056758156, now seen corresponding path program 1 times [2022-10-15 21:16:41,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:16:41,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810797354] [2022-10-15 21:16:41,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:16:41,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:16:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:16:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:16:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:16:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:16:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:16:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:16:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:16:42,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:16:42,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810797354] [2022-10-15 21:16:42,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810797354] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:16:42,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:16:42,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:16:42,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662133356] [2022-10-15 21:16:42,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:16:42,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:16:42,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:16:42,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:16:42,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:16:42,011 INFO L87 Difference]: Start difference. First operand 2771 states and 3998 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:16:44,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:46,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:48,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []