/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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:06:36,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:06:36,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:06:36,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:06:36,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:06:36,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:06:36,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:06:36,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:06:36,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:06:36,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:06:36,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:06:36,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:06:36,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:06:36,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:06:36,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:06:36,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:06:36,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:06:36,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:06:36,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:06:36,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:06:36,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:06:36,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:06:36,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:06:36,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:06:36,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:06:36,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:06:36,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:06:36,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:06:36,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:06:36,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:06:36,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:06:36,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:06:36,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:06:36,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:06:36,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:06:36,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:06:36,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:06:36,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:06:36,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:06:36,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:06:36,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:06:36,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:06:36,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:06:36,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:06:36,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:06:36,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:06:36,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:06:36,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:06:36,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:06:36,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:06:36,657 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:06:36,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:06:36,658 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:06:36,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:06:36,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:06:36,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:06:36,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:06:36,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:06:36,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:06:36,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:06:36,659 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:06:36,659 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:06:36,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:06:36,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:06:36,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:06:36,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:06:36,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:06:36,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:06:36,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:06:36,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:06:36,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:06:36,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:06:36,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:06:36,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:06:36,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:06:36,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:06:37,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:06:37,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:06:37,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:06:37,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:06:37,062 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:06:37,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2022-10-16 13:06:37,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d621b1e16/af5966ddcd8248a99963cac2d71a452b/FLAG9721c4a22 [2022-10-16 13:06:38,276 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:06:38,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2022-10-16 13:06:38,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d621b1e16/af5966ddcd8248a99963cac2d71a452b/FLAG9721c4a22 [2022-10-16 13:06:38,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d621b1e16/af5966ddcd8248a99963cac2d71a452b [2022-10-16 13:06:38,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:06:38,709 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:06:38,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:06:38,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:06:38,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:06:38,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:06:38" (1/1) ... [2022-10-16 13:06:38,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7455c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:38, skipping insertion in model container [2022-10-16 13:06:38,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:06:38" (1/1) ... [2022-10-16 13:06:38,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:06:38,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:06:39,947 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i[158583,158596] [2022-10-16 13:06:40,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:06:40,981 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:06:41,167 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i[158583,158596] [2022-10-16 13:06:41,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:06:41,559 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:06:41,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41 WrapperNode [2022-10-16 13:06:41,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:06:41,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:06:41,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:06:41,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:06:41,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:41,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:41,914 INFO L138 Inliner]: procedures = 220, calls = 1799, calls flagged for inlining = 81, calls inlined = 72, statements flattened = 3298 [2022-10-16 13:06:41,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:06:41,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:06:41,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:06:41,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:06:41,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:41,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:41,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:41,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:42,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:42,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:42,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:42,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:42,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:06:42,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:06:42,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:06:42,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:06:42,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (1/1) ... [2022-10-16 13:06:42,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:06:42,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:06:42,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:06:42,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:06:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-10-16 13:06:42,339 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-10-16 13:06:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_xmit [2022-10-16 13:06:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_xmit [2022-10-16 13:06:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:06:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:06:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:06:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:06:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-10-16 13:06:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-10-16 13:06:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_start_tx [2022-10-16 13:06:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_start_tx [2022-10-16 13:06:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:06:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:06:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-16 13:06:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-16 13:06:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2022-10-16 13:06:42,342 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2022-10-16 13:06:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-16 13:06:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-16 13:06:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-16 13:06:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-16 13:06:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-10-16 13:06:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-10-16 13:06:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:06:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:06:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-10-16 13:06:42,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-10-16 13:06:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 13:06:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 13:06:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-10-16 13:06:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-10-16 13:06:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:06:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:06:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 13:06:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 13:06:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:06:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:06:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_fill_info [2022-10-16 13:06:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_fill_info [2022-10-16 13:06:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:06:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:06:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:06:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_desc [2022-10-16 13:06:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_desc [2022-10-16 13:06:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_update_aggregation_stats [2022-10-16 13:06:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_update_aggregation_stats [2022-10-16 13:06:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:06:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-10-16 13:06:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-10-16 13:06:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:06:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_frm [2022-10-16 13:06:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_frm [2022-10-16 13:06:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:06:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:06:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:06:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_dequeue [2022-10-16 13:06:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_dequeue [2022-10-16 13:06:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 13:06:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 13:06:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 13:06:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-16 13:06:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-16 13:06:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-16 13:06:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_desc_len [2022-10-16 13:06:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_desc_len [2022-10-16 13:06:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:06:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:06:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:06:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_tx_queue_len [2022-10-16 13:06:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_tx_queue_len [2022-10-16 13:06:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:06:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:06:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:06:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-16 13:06:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-16 13:06:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:06:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2022-10-16 13:06:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2022-10-16 13:06:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-16 13:06:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-16 13:06:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:06:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:06:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-10-16 13:06:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-10-16 13:06:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 13:06:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 13:06:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_get_size [2022-10-16 13:06:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_get_size [2022-10-16 13:06:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_netlink_parms [2022-10-16 13:06:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_netlink_parms [2022-10-16 13:06:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-10-16 13:06:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-10-16 13:06:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:06:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:06:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:06:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:06:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:06:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:06:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-16 13:06:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-16 13:06:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-16 13:06:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-16 13:06:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2022-10-16 13:06:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2022-10-16 13:06:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:06:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 13:06:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 13:06:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_changelink [2022-10-16 13:06:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_changelink [2022-10-16 13:06:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:06:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:06:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-16 13:06:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-16 13:06:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:06:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:06:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-10-16 13:06:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-10-16 13:06:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_open [2022-10-16 13:06:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_open [2022-10-16 13:06:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_rx_done [2022-10-16 13:06:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_rx_done [2022-10-16 13:06:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 13:06:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 13:06:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-10-16 13:06:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-10-16 13:06:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 13:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-16 13:06:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_can_send_aggregate [2022-10-16 13:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_can_send_aggregate [2022-10-16 13:06:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 13:06:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 13:06:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:06:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:06:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 13:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 13:06:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-16 13:06:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-16 13:06:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:06:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure caif_hsi_newlink [2022-10-16 13:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure caif_hsi_newlink [2022-10-16 13:06:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-16 13:06:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-16 13:06:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:06:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-16 13:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-16 13:06:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_close [2022-10-16 13:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_close [2022-10-16 13:06:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-16 13:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-16 13:06:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure cfhsi_abort_tx [2022-10-16 13:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cfhsi_abort_tx [2022-10-16 13:06:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-16 13:06:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-16 13:06:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:06:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:06:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-16 13:06:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-16 13:06:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-10-16 13:06:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-10-16 13:06:43,004 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:06:43,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:06:43,689 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:06:46,666 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:06:46,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:06:46,692 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 13:06:46,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:06:46 BoogieIcfgContainer [2022-10-16 13:06:46,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:06:46,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:06:46,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:06:46,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:06:46,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:06:38" (1/3) ... [2022-10-16 13:06:46,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115518b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:06:46, skipping insertion in model container [2022-10-16 13:06:46,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:06:41" (2/3) ... [2022-10-16 13:06:46,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115518b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:06:46, skipping insertion in model container [2022-10-16 13:06:46,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:06:46" (3/3) ... [2022-10-16 13:06:46,708 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--caif--caif_hsi.ko-entry_point.cil.out.i [2022-10-16 13:06:46,734 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:06:46,734 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 94 error locations. [2022-10-16 13:06:46,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:06:46,880 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;@68047ac3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:06:46,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2022-10-16 13:06:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 1272 states, 850 states have (on average 1.4094117647058824) internal successors, (1198), 962 states have internal predecessors, (1198), 255 states have call successors, (255), 73 states have call predecessors, (255), 72 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) [2022-10-16 13:06:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 13:06:46,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:46,912 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:46,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting caif_hsi_get_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:06:46,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:46,919 INFO L85 PathProgramCache]: Analyzing trace with hash 266940351, now seen corresponding path program 1 times [2022-10-16 13:06:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:46,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739054672] [2022-10-16 13:06:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:47,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:47,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:47,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:06:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:06:47,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:47,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739054672] [2022-10-16 13:06:47,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739054672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:47,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:47,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:06:47,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238173431] [2022-10-16 13:06:47,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:47,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:06:47,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:47,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:06:47,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:06:47,814 INFO L87 Difference]: Start difference. First operand has 1272 states, 850 states have (on average 1.4094117647058824) internal successors, (1198), 962 states have internal predecessors, (1198), 255 states have call successors, (255), 73 states have call predecessors, (255), 72 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) 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, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:06:50,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:53,357 INFO L93 Difference]: Finished difference Result 3951 states and 5561 transitions. [2022-10-16 13:06:53,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:06:53,362 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, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-10-16 13:06:53,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:53,429 INFO L225 Difference]: With dead ends: 3951 [2022-10-16 13:06:53,430 INFO L226 Difference]: Without dead ends: 2631 [2022-10-16 13:06:53,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:06:53,459 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 2275 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2464 SdHoareTripleChecker+Valid, 3860 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:53,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2464 Valid, 3860 Invalid, 1995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [705 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 13:06:53,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2022-10-16 13:06:53,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2201. [2022-10-16 13:06:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2201 states, 1540 states have (on average 1.3733766233766234) internal successors, (2115), 1637 states have internal predecessors, (2115), 456 states have call successors, (456), 133 states have call predecessors, (456), 133 states have return successors, (456), 455 states have call predecessors, (456), 456 states have call successors, (456) [2022-10-16 13:06:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 3027 transitions. [2022-10-16 13:06:53,864 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 3027 transitions. Word has length 33 [2022-10-16 13:06:53,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:53,865 INFO L495 AbstractCegarLoop]: Abstraction has 2201 states and 3027 transitions. [2022-10-16 13:06:53,866 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, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:06:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 3027 transitions. [2022-10-16 13:06:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 13:06:53,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:53,880 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:53,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:06:53,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:06:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash -274891193, now seen corresponding path program 1 times [2022-10-16 13:06:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:53,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952400061] [2022-10-16 13:06:53,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:06:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:06:54,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:54,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952400061] [2022-10-16 13:06:54,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952400061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:54,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:54,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:06:54,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161709306] [2022-10-16 13:06:54,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:54,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:06:54,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:54,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:06:54,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:06:54,147 INFO L87 Difference]: Start difference. First operand 2201 states and 3027 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:06:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:58,860 INFO L93 Difference]: Finished difference Result 6309 states and 8779 transitions. [2022-10-16 13:06:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:06:58,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-10-16 13:06:58,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:58,894 INFO L225 Difference]: With dead ends: 6309 [2022-10-16 13:06:58,894 INFO L226 Difference]: Without dead ends: 4118 [2022-10-16 13:06:58,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:06:58,909 INFO L413 NwaCegarLoop]: 1951 mSDtfsCounter, 1779 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 466 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:58,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1909 Valid, 4026 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [466 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 13:06:58,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states. [2022-10-16 13:06:59,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 3522. [2022-10-16 13:06:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3522 states, 2561 states have (on average 1.393205778992581) internal successors, (3568), 2671 states have internal predecessors, (3568), 676 states have call successors, (676), 213 states have call predecessors, (676), 213 states have return successors, (676), 675 states have call predecessors, (676), 676 states have call successors, (676) [2022-10-16 13:06:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 4920 transitions. [2022-10-16 13:06:59,211 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 4920 transitions. Word has length 39 [2022-10-16 13:06:59,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:59,212 INFO L495 AbstractCegarLoop]: Abstraction has 3522 states and 4920 transitions. [2022-10-16 13:06:59,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:06:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 4920 transitions. [2022-10-16 13:06:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 13:06:59,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:59,221 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:59,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:06:59,223 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting cfhsi_tx_frmErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:06:59,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2129338181, now seen corresponding path program 1 times [2022-10-16 13:06:59,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:59,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332559252] [2022-10-16 13:06:59,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:59,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:06:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:06:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:06:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:06:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:06:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:06:59,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:59,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332559252] [2022-10-16 13:06:59,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332559252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:59,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:59,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:06:59,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839417475] [2022-10-16 13:06:59,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:59,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:06:59,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:59,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:06:59,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:06:59,799 INFO L87 Difference]: Start difference. First operand 3522 states and 4920 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:03,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:03,220 INFO L93 Difference]: Finished difference Result 7654 states and 10922 transitions. [2022-10-16 13:07:03,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:07:03,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 67 [2022-10-16 13:07:03,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:03,254 INFO L225 Difference]: With dead ends: 7654 [2022-10-16 13:07:03,254 INFO L226 Difference]: Without dead ends: 4142 [2022-10-16 13:07:03,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:07:03,275 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 932 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 3509 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:03,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 3509 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 13:07:03,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4142 states. [2022-10-16 13:07:03,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4142 to 3550. [2022-10-16 13:07:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3550 states, 2585 states have (on average 1.39110251450677) internal successors, (3596), 2695 states have internal predecessors, (3596), 680 states have call successors, (680), 213 states have call predecessors, (680), 213 states have return successors, (680), 679 states have call predecessors, (680), 680 states have call successors, (680) [2022-10-16 13:07:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 3550 states and 4956 transitions. [2022-10-16 13:07:03,504 INFO L78 Accepts]: Start accepts. Automaton has 3550 states and 4956 transitions. Word has length 67 [2022-10-16 13:07:03,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:03,505 INFO L495 AbstractCegarLoop]: Abstraction has 3550 states and 4956 transitions. [2022-10-16 13:07:03,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3550 states and 4956 transitions. [2022-10-16 13:07:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 13:07:03,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:03,507 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:03,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:07:03,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_skb_allocErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:03,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:03,508 INFO L85 PathProgramCache]: Analyzing trace with hash -74446420, now seen corresponding path program 1 times [2022-10-16 13:07:03,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:03,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518974176] [2022-10-16 13:07:03,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:03,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 13:07:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:07:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:07:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:07:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 13:07:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:04,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518974176] [2022-10-16 13:07:04,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518974176] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:04,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:04,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:07:04,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385335344] [2022-10-16 13:07:04,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:04,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:07:04,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:04,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:07:04,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:07:04,343 INFO L87 Difference]: Start difference. First operand 3550 states and 4956 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:08,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:08,762 INFO L93 Difference]: Finished difference Result 7596 states and 10844 transitions. [2022-10-16 13:07:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:07:08,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2022-10-16 13:07:08,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:08,794 INFO L225 Difference]: With dead ends: 7596 [2022-10-16 13:07:08,795 INFO L226 Difference]: Without dead ends: 4056 [2022-10-16 13:07:08,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:07:08,817 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 435 mSDsluCounter, 4522 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:08,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 6155 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 13:07:08,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2022-10-16 13:07:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 3566. [2022-10-16 13:07:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3566 states, 2597 states have (on average 1.3892953407778206) internal successors, (3608), 2707 states have internal predecessors, (3608), 680 states have call successors, (680), 213 states have call predecessors, (680), 217 states have return successors, (693), 683 states have call predecessors, (693), 680 states have call successors, (693) [2022-10-16 13:07:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3566 states and 4981 transitions. [2022-10-16 13:07:09,028 INFO L78 Accepts]: Start accepts. Automaton has 3566 states and 4981 transitions. Word has length 68 [2022-10-16 13:07:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:09,029 INFO L495 AbstractCegarLoop]: Abstraction has 3566 states and 4981 transitions. [2022-10-16 13:07:09,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3566 states and 4981 transitions. [2022-10-16 13:07:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 13:07:09,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:09,032 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:09,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:07:09,032 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting cfhsi_dequeueErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:09,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1592952956, now seen corresponding path program 1 times [2022-10-16 13:07:09,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:09,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568252409] [2022-10-16 13:07:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 13:07:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:07:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:07:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 13:07:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:07:09,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:09,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568252409] [2022-10-16 13:07:09,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568252409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:09,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:09,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:07:09,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101640097] [2022-10-16 13:07:09,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:09,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:09,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:09,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:09,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:09,433 INFO L87 Difference]: Start difference. First operand 3566 states and 4981 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:07:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:13,883 INFO L93 Difference]: Finished difference Result 4109 states and 5873 transitions. [2022-10-16 13:07:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:07:13,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-10-16 13:07:13,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:13,916 INFO L225 Difference]: With dead ends: 4109 [2022-10-16 13:07:13,916 INFO L226 Difference]: Without dead ends: 4108 [2022-10-16 13:07:13,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:07:13,921 INFO L413 NwaCegarLoop]: 1602 mSDtfsCounter, 451 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 4171 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:13,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 4171 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 13:07:13,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4108 states. [2022-10-16 13:07:14,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4108 to 3570. [2022-10-16 13:07:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3570 states, 2601 states have (on average 1.3886966551326414) internal successors, (3612), 2711 states have internal predecessors, (3612), 680 states have call successors, (680), 213 states have call predecessors, (680), 217 states have return successors, (693), 683 states have call predecessors, (693), 680 states have call successors, (693) [2022-10-16 13:07:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 4985 transitions. [2022-10-16 13:07:14,200 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 4985 transitions. Word has length 71 [2022-10-16 13:07:14,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:14,202 INFO L495 AbstractCegarLoop]: Abstraction has 3570 states and 4985 transitions. [2022-10-16 13:07:14,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:07:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 4985 transitions. [2022-10-16 13:07:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 13:07:14,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:14,205 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:14,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:07:14,206 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_skb_allocErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:14,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:14,207 INFO L85 PathProgramCache]: Analyzing trace with hash 454841282, now seen corresponding path program 1 times [2022-10-16 13:07:14,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:14,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396495299] [2022-10-16 13:07:14,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 13:07:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:07:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:07:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:07:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:07:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:07:15,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:15,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396495299] [2022-10-16 13:07:15,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396495299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:15,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:15,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:07:15,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277476481] [2022-10-16 13:07:15,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:15,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:07:15,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:15,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:07:15,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:07:15,015 INFO L87 Difference]: Start difference. First operand 3570 states and 4985 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:07:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:19,099 INFO L93 Difference]: Finished difference Result 11628 states and 16741 transitions. [2022-10-16 13:07:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:07:19,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2022-10-16 13:07:19,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:19,200 INFO L225 Difference]: With dead ends: 11628 [2022-10-16 13:07:19,201 INFO L226 Difference]: Without dead ends: 8068 [2022-10-16 13:07:19,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:19,227 INFO L413 NwaCegarLoop]: 1964 mSDtfsCounter, 2348 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 4124 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:19,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 4124 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 13:07:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2022-10-16 13:07:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 7370. [2022-10-16 13:07:19,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7370 states, 5433 states have (on average 1.3857905392968894) internal successors, (7529), 5596 states have internal predecessors, (7529), 1403 states have call successors, (1403), 426 states have call predecessors, (1403), 462 states have return successors, (1626), 1429 states have call predecessors, (1626), 1403 states have call successors, (1626) [2022-10-16 13:07:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7370 states to 7370 states and 10558 transitions. [2022-10-16 13:07:19,756 INFO L78 Accepts]: Start accepts. Automaton has 7370 states and 10558 transitions. Word has length 75 [2022-10-16 13:07:19,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:19,757 INFO L495 AbstractCegarLoop]: Abstraction has 7370 states and 10558 transitions. [2022-10-16 13:07:19,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:07:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 7370 states and 10558 transitions. [2022-10-16 13:07:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 13:07:19,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:19,762 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:19,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:07:19,762 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_skb_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:19,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:19,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1215105018, now seen corresponding path program 1 times [2022-10-16 13:07:19,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:19,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785100240] [2022-10-16 13:07:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 13:07:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:07:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:07:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:07:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:07:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:07:20,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:20,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785100240] [2022-10-16 13:07:20,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785100240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:20,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:20,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:20,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778342972] [2022-10-16 13:07:20,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:20,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:20,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:20,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:20,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:20,696 INFO L87 Difference]: Start difference. First operand 7370 states and 10558 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:07:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:25,555 INFO L93 Difference]: Finished difference Result 15406 states and 22364 transitions. [2022-10-16 13:07:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:07:25,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 76 [2022-10-16 13:07:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:25,599 INFO L225 Difference]: With dead ends: 15406 [2022-10-16 13:07:25,599 INFO L226 Difference]: Without dead ends: 8046 [2022-10-16 13:07:25,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:07:25,644 INFO L413 NwaCegarLoop]: 1975 mSDtfsCounter, 2344 mSDsluCounter, 3084 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2535 SdHoareTripleChecker+Valid, 5059 SdHoareTripleChecker+Invalid, 2813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:25,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2535 Valid, 5059 Invalid, 2813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 13:07:25,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2022-10-16 13:07:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 7350. [2022-10-16 13:07:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7350 states, 5413 states have (on average 1.3842601145390725) internal successors, (7493), 5576 states have internal predecessors, (7493), 1403 states have call successors, (1403), 426 states have call predecessors, (1403), 462 states have return successors, (1626), 1429 states have call predecessors, (1626), 1403 states have call successors, (1626) [2022-10-16 13:07:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7350 states to 7350 states and 10522 transitions. [2022-10-16 13:07:26,188 INFO L78 Accepts]: Start accepts. Automaton has 7350 states and 10522 transitions. Word has length 76 [2022-10-16 13:07:26,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:26,190 INFO L495 AbstractCegarLoop]: Abstraction has 7350 states and 10522 transitions. [2022-10-16 13:07:26,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:07:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 7350 states and 10522 transitions. [2022-10-16 13:07:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 13:07:26,197 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:26,197 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:26,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:07:26,198 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting caif_hsi_get_sizeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:26,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:26,200 INFO L85 PathProgramCache]: Analyzing trace with hash -700626432, now seen corresponding path program 1 times [2022-10-16 13:07:26,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:26,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422945236] [2022-10-16 13:07:26,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:26,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:07:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:07:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:07:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-10-16 13:07:26,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:26,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422945236] [2022-10-16 13:07:26,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422945236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:26,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:26,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:07:26,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926791860] [2022-10-16 13:07:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:26,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:07:26,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:26,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:07:26,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:07:26,632 INFO L87 Difference]: Start difference. First operand 7350 states and 10522 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:07:28,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:30,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:30,521 INFO L93 Difference]: Finished difference Result 7996 states and 11638 transitions. [2022-10-16 13:07:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:07:30,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 77 [2022-10-16 13:07:30,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:30,559 INFO L225 Difference]: With dead ends: 7996 [2022-10-16 13:07:30,559 INFO L226 Difference]: Without dead ends: 7995 [2022-10-16 13:07:30,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:30,564 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 448 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 3614 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:30,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 3614 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 13:07:30,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7995 states. [2022-10-16 13:07:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7995 to 7349. [2022-10-16 13:07:30,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7349 states, 5413 states have (on average 1.383151671900979) internal successors, (7487), 5575 states have internal predecessors, (7487), 1403 states have call successors, (1403), 426 states have call predecessors, (1403), 462 states have return successors, (1626), 1429 states have call predecessors, (1626), 1403 states have call successors, (1626) [2022-10-16 13:07:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7349 states to 7349 states and 10516 transitions. [2022-10-16 13:07:31,026 INFO L78 Accepts]: Start accepts. Automaton has 7349 states and 10516 transitions. Word has length 77 [2022-10-16 13:07:31,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:31,027 INFO L495 AbstractCegarLoop]: Abstraction has 7349 states and 10516 transitions. [2022-10-16 13:07:31,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:07:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 7349 states and 10516 transitions. [2022-10-16 13:07:31,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 13:07:31,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:31,033 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:31,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:07:31,034 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting cfhsi_tx_frmErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:31,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:31,035 INFO L85 PathProgramCache]: Analyzing trace with hash 420977164, now seen corresponding path program 1 times [2022-10-16 13:07:31,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:31,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664333085] [2022-10-16 13:07:31,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:31,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 13:07:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:07:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:07:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:07:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:07:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:07:31,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:31,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664333085] [2022-10-16 13:07:31,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664333085] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:31,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:31,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:31,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152045479] [2022-10-16 13:07:31,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:31,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:31,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:31,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:31,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:31,426 INFO L87 Difference]: Start difference. First operand 7349 states and 10516 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:07:34,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:36,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:39,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:39,186 INFO L93 Difference]: Finished difference Result 15628 states and 22776 transitions. [2022-10-16 13:07:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:07:39,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 80 [2022-10-16 13:07:39,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:39,227 INFO L225 Difference]: With dead ends: 15628 [2022-10-16 13:07:39,228 INFO L226 Difference]: Without dead ends: 8289 [2022-10-16 13:07:39,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:07:39,253 INFO L413 NwaCegarLoop]: 1626 mSDtfsCounter, 488 mSDsluCounter, 2542 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 293 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:39,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 4168 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 1569 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-10-16 13:07:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8289 states. [2022-10-16 13:07:39,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8289 to 7649. [2022-10-16 13:07:39,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7649 states, 5653 states have (on average 1.3753759065982665) internal successors, (7775), 5819 states have internal predecessors, (7775), 1451 states have call successors, (1451), 426 states have call predecessors, (1451), 474 states have return successors, (1726), 1485 states have call predecessors, (1726), 1451 states have call successors, (1726) [2022-10-16 13:07:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7649 states to 7649 states and 10952 transitions. [2022-10-16 13:07:39,826 INFO L78 Accepts]: Start accepts. Automaton has 7649 states and 10952 transitions. Word has length 80 [2022-10-16 13:07:39,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:39,827 INFO L495 AbstractCegarLoop]: Abstraction has 7649 states and 10952 transitions. [2022-10-16 13:07:39,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:07:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 7649 states and 10952 transitions. [2022-10-16 13:07:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 13:07:39,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:39,830 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:39,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:07:39,831 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting caif_hsi_get_sizeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:39,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash -244581653, now seen corresponding path program 1 times [2022-10-16 13:07:39,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:39,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015890541] [2022-10-16 13:07:39,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:39,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:07:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:07:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:07:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-10-16 13:07:40,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:40,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015890541] [2022-10-16 13:07:40,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015890541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:40,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:40,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:07:40,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286672661] [2022-10-16 13:07:40,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:40,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:07:40,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:40,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:07:40,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:07:40,192 INFO L87 Difference]: Start difference. First operand 7649 states and 10952 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:07:43,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:43,383 INFO L93 Difference]: Finished difference Result 8295 states and 12086 transitions. [2022-10-16 13:07:43,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:07:43,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 78 [2022-10-16 13:07:43,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:43,419 INFO L225 Difference]: With dead ends: 8295 [2022-10-16 13:07:43,420 INFO L226 Difference]: Without dead ends: 8294 [2022-10-16 13:07:43,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:43,426 INFO L413 NwaCegarLoop]: 1642 mSDtfsCounter, 445 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 3639 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:43,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 3639 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 13:07:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8294 states. [2022-10-16 13:07:43,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8294 to 7648. [2022-10-16 13:07:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7648 states, 5653 states have (on average 1.3743145232619849) internal successors, (7769), 5818 states have internal predecessors, (7769), 1451 states have call successors, (1451), 426 states have call predecessors, (1451), 474 states have return successors, (1726), 1485 states have call predecessors, (1726), 1451 states have call successors, (1726) [2022-10-16 13:07:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7648 states to 7648 states and 10946 transitions. [2022-10-16 13:07:43,874 INFO L78 Accepts]: Start accepts. Automaton has 7648 states and 10946 transitions. Word has length 78 [2022-10-16 13:07:43,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:43,875 INFO L495 AbstractCegarLoop]: Abstraction has 7648 states and 10946 transitions. [2022-10-16 13:07:43,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:07:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 7648 states and 10946 transitions. [2022-10-16 13:07:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 13:07:43,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:43,879 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:43,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:07:43,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting cfhsi_rx_desc_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:43,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1045521787, now seen corresponding path program 1 times [2022-10-16 13:07:43,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:43,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125308834] [2022-10-16 13:07:43,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:43,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 13:07:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:07:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:07:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:07:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:07:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 13:07:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:07:44,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:44,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125308834] [2022-10-16 13:07:44,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125308834] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:44,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:44,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:07:44,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413124082] [2022-10-16 13:07:44,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:44,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:07:44,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:44,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:07:44,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:07:44,784 INFO L87 Difference]: Start difference. First operand 7648 states and 10946 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:07:50,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:51,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:58,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:58,250 INFO L93 Difference]: Finished difference Result 24652 states and 36398 transitions. [2022-10-16 13:07:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 13:07:58,251 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2022-10-16 13:07:58,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:58,340 INFO L225 Difference]: With dead ends: 24652 [2022-10-16 13:07:58,340 INFO L226 Difference]: Without dead ends: 17014 [2022-10-16 13:07:58,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:07:58,381 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 3122 mSDsluCounter, 4037 mSDsCounter, 0 mSdLazyCounter, 6218 mSolverCounterSat, 1488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3289 SdHoareTripleChecker+Valid, 5984 SdHoareTripleChecker+Invalid, 7706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1488 IncrementalHoareTripleChecker+Valid, 6218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:58,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3289 Valid, 5984 Invalid, 7706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1488 Valid, 6218 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-10-16 13:07:58,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17014 states. [2022-10-16 13:07:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17014 to 15632. [2022-10-16 13:07:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15632 states, 11603 states have (on average 1.3750754115315005) internal successors, (15955), 11900 states have internal predecessors, (15955), 2975 states have call successors, (2975), 840 states have call predecessors, (2975), 984 states have return successors, (3896), 3067 states have call predecessors, (3896), 2975 states have call successors, (3896) [2022-10-16 13:07:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15632 states to 15632 states and 22826 transitions. [2022-10-16 13:07:59,628 INFO L78 Accepts]: Start accepts. Automaton has 15632 states and 22826 transitions. Word has length 81 [2022-10-16 13:07:59,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:59,629 INFO L495 AbstractCegarLoop]: Abstraction has 15632 states and 22826 transitions. [2022-10-16 13:07:59,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:07:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 15632 states and 22826 transitions. [2022-10-16 13:07:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 13:07:59,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:59,634 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:59,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 13:07:59,635 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting cfhsi_rx_desc_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:07:59,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:59,636 INFO L85 PathProgramCache]: Analyzing trace with hash -217737854, now seen corresponding path program 1 times [2022-10-16 13:07:59,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:59,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715051918] [2022-10-16 13:07:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:59,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:07:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:07:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:07:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:07:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:07:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:07:59,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:59,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715051918] [2022-10-16 13:07:59,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715051918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:59,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:59,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:59,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098413231] [2022-10-16 13:07:59,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:59,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:59,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:59,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:59,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:59,956 INFO L87 Difference]: Start difference. First operand 15632 states and 22826 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:08:05,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:05,783 INFO L93 Difference]: Finished difference Result 32596 states and 48174 transitions. [2022-10-16 13:08:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:08:05,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 83 [2022-10-16 13:08:05,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:05,870 INFO L225 Difference]: With dead ends: 32596 [2022-10-16 13:08:05,870 INFO L226 Difference]: Without dead ends: 16974 [2022-10-16 13:08:05,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:05,945 INFO L413 NwaCegarLoop]: 1632 mSDtfsCounter, 913 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:05,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 3982 Invalid, 2611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 13:08:05,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16974 states. [2022-10-16 13:08:06,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16974 to 15648. [2022-10-16 13:08:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15648 states, 11619 states have (on average 1.374558912126689) internal successors, (15971), 11916 states have internal predecessors, (15971), 2975 states have call successors, (2975), 840 states have call predecessors, (2975), 984 states have return successors, (3896), 3067 states have call predecessors, (3896), 2975 states have call successors, (3896) [2022-10-16 13:08:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15648 states to 15648 states and 22842 transitions. [2022-10-16 13:08:06,957 INFO L78 Accepts]: Start accepts. Automaton has 15648 states and 22842 transitions. Word has length 83 [2022-10-16 13:08:06,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:06,958 INFO L495 AbstractCegarLoop]: Abstraction has 15648 states and 22842 transitions. [2022-10-16 13:08:06,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:08:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 15648 states and 22842 transitions. [2022-10-16 13:08:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 13:08:06,962 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:06,962 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:06,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 13:08:06,963 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting cfhsi_rx_desc_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:06,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:06,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1152187401, now seen corresponding path program 1 times [2022-10-16 13:08:06,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:06,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468212204] [2022-10-16 13:08:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:06,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 13:08:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:08:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:08:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:08:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:08:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 13:08:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:08:07,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:07,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468212204] [2022-10-16 13:08:07,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468212204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:07,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:07,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:08:07,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958772948] [2022-10-16 13:08:07,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:07,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:08:07,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:07,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:08:07,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:08:07,382 INFO L87 Difference]: Start difference. First operand 15648 states and 22842 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:08:11,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:08:12,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:08:16,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:16,113 INFO L93 Difference]: Finished difference Result 32756 states and 48414 transitions. [2022-10-16 13:08:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:08:16,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 81 [2022-10-16 13:08:16,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:16,211 INFO L225 Difference]: With dead ends: 32756 [2022-10-16 13:08:16,211 INFO L226 Difference]: Without dead ends: 17118 [2022-10-16 13:08:16,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:16,290 INFO L413 NwaCegarLoop]: 1630 mSDtfsCounter, 930 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 3972 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:16,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 3972 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1935 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-16 13:08:16,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17118 states. [2022-10-16 13:08:17,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17118 to 15760. [2022-10-16 13:08:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15760 states, 11731 states have (on average 1.3737106811013553) internal successors, (16115), 12028 states have internal predecessors, (16115), 2975 states have call successors, (2975), 840 states have call predecessors, (2975), 984 states have return successors, (3896), 3067 states have call predecessors, (3896), 2975 states have call successors, (3896) [2022-10-16 13:08:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15760 states to 15760 states and 22986 transitions. [2022-10-16 13:08:17,557 INFO L78 Accepts]: Start accepts. Automaton has 15760 states and 22986 transitions. Word has length 81 [2022-10-16 13:08:17,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:17,557 INFO L495 AbstractCegarLoop]: Abstraction has 15760 states and 22986 transitions. [2022-10-16 13:08:17,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:08:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 15760 states and 22986 transitions. [2022-10-16 13:08:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 13:08:17,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:17,562 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:17,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 13:08:17,562 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting caif_hsi_get_sizeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:17,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:17,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1180273101, now seen corresponding path program 1 times [2022-10-16 13:08:17,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:17,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706823119] [2022-10-16 13:08:17,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:08:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:08:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:08:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:08:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:08:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-10-16 13:08:18,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:18,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706823119] [2022-10-16 13:08:18,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706823119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:18,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:18,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:08:18,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919473417] [2022-10-16 13:08:18,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:18,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:08:18,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:18,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:08:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:08:18,193 INFO L87 Difference]: Start difference. First operand 15760 states and 22986 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:08:22,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:22,665 INFO L93 Difference]: Finished difference Result 16634 states and 24602 transitions. [2022-10-16 13:08:22,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:08:22,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2022-10-16 13:08:22,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:22,729 INFO L225 Difference]: With dead ends: 16634 [2022-10-16 13:08:22,730 INFO L226 Difference]: Without dead ends: 16633 [2022-10-16 13:08:22,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:08:22,741 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 466 mSDsluCounter, 4478 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 6089 SdHoareTripleChecker+Invalid, 2196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:22,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 6089 Invalid, 2196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 13:08:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16633 states. [2022-10-16 13:08:23,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16633 to 15759. [2022-10-16 13:08:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15759 states, 11731 states have (on average 1.37268775040491) internal successors, (16103), 12027 states have internal predecessors, (16103), 2975 states have call successors, (2975), 840 states have call predecessors, (2975), 984 states have return successors, (3896), 3067 states have call predecessors, (3896), 2975 states have call successors, (3896) [2022-10-16 13:08:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15759 states to 15759 states and 22974 transitions. [2022-10-16 13:08:23,943 INFO L78 Accepts]: Start accepts. Automaton has 15759 states and 22974 transitions. Word has length 80 [2022-10-16 13:08:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:23,943 INFO L495 AbstractCegarLoop]: Abstraction has 15759 states and 22974 transitions. [2022-10-16 13:08:23,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:08:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 15759 states and 22974 transitions. [2022-10-16 13:08:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 13:08:23,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:23,948 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:23,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 13:08:23,948 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting cfhsi_dequeueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:23,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1395907693, now seen corresponding path program 1 times [2022-10-16 13:08:23,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:23,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421774190] [2022-10-16 13:08:23,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:08:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:08:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:08:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:08:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:08:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:08:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 13:08:25,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:25,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421774190] [2022-10-16 13:08:25,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421774190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:25,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:25,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:08:25,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704273134] [2022-10-16 13:08:25,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:25,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:08:25,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:25,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:08:25,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:08:25,164 INFO L87 Difference]: Start difference. First operand 15759 states and 22974 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:08:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:32,549 INFO L93 Difference]: Finished difference Result 32150 states and 48010 transitions. [2022-10-16 13:08:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:08:32,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 97 [2022-10-16 13:08:32,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:32,621 INFO L225 Difference]: With dead ends: 32150 [2022-10-16 13:08:32,621 INFO L226 Difference]: Without dead ends: 16401 [2022-10-16 13:08:32,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-10-16 13:08:32,713 INFO L413 NwaCegarLoop]: 1614 mSDtfsCounter, 457 mSDsluCounter, 7480 mSDsCounter, 0 mSdLazyCounter, 3616 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 9094 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 3616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:32,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 9094 Invalid, 3898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 3616 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 13:08:32,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16401 states. [2022-10-16 13:08:33,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16401 to 15679. [2022-10-16 13:08:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15679 states, 11663 states have (on average 1.3714310211780845) internal successors, (15995), 11959 states have internal predecessors, (15995), 2971 states have call successors, (2971), 840 states have call predecessors, (2971), 976 states have return successors, (3856), 3055 states have call predecessors, (3856), 2971 states have call successors, (3856) [2022-10-16 13:08:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15679 states to 15679 states and 22822 transitions. [2022-10-16 13:08:33,978 INFO L78 Accepts]: Start accepts. Automaton has 15679 states and 22822 transitions. Word has length 97 [2022-10-16 13:08:33,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:33,979 INFO L495 AbstractCegarLoop]: Abstraction has 15679 states and 22822 transitions. [2022-10-16 13:08:33,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:08:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 15679 states and 22822 transitions. [2022-10-16 13:08:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:08:33,983 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:33,984 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:33,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 13:08:33,984 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting cfhsi_dequeueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:33,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:33,985 INFO L85 PathProgramCache]: Analyzing trace with hash -767991860, now seen corresponding path program 1 times [2022-10-16 13:08:33,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:33,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092817937] [2022-10-16 13:08:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:33,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:08:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:08:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:08:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:08:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:08:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-16 13:08:34,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:34,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092817937] [2022-10-16 13:08:34,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092817937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:34,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:34,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:08:34,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589903778] [2022-10-16 13:08:34,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:34,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:08:34,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:08:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:08:34,465 INFO L87 Difference]: Start difference. First operand 15679 states and 22822 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:08:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:39,685 INFO L93 Difference]: Finished difference Result 16472 states and 24350 transitions. [2022-10-16 13:08:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:08:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2022-10-16 13:08:39,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:39,752 INFO L225 Difference]: With dead ends: 16472 [2022-10-16 13:08:39,752 INFO L226 Difference]: Without dead ends: 16471 [2022-10-16 13:08:39,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:08:39,763 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 443 mSDsluCounter, 2517 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:39,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 4097 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 13:08:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2022-10-16 13:08:41,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 15678. [2022-10-16 13:08:41,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15678 states, 11663 states have (on average 1.3693732315870701) internal successors, (15971), 11958 states have internal predecessors, (15971), 2971 states have call successors, (2971), 840 states have call predecessors, (2971), 976 states have return successors, (3856), 3055 states have call predecessors, (3856), 2971 states have call successors, (3856) [2022-10-16 13:08:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15678 states to 15678 states and 22798 transitions. [2022-10-16 13:08:41,092 INFO L78 Accepts]: Start accepts. Automaton has 15678 states and 22798 transitions. Word has length 91 [2022-10-16 13:08:41,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:41,093 INFO L495 AbstractCegarLoop]: Abstraction has 15678 states and 22798 transitions. [2022-10-16 13:08:41,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:08:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 15678 states and 22798 transitions. [2022-10-16 13:08:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 13:08:41,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:41,097 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:41,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 13:08:41,097 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting cfhsi_rx_desc_lenErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:41,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash 426347941, now seen corresponding path program 1 times [2022-10-16 13:08:41,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:41,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705364111] [2022-10-16 13:08:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:08:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:08:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 13:08:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:08:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:08:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:08:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:08:41,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:41,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705364111] [2022-10-16 13:08:41,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705364111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:41,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:41,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:08:41,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158050457] [2022-10-16 13:08:41,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:41,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:08:41,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:41,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:08:41,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:08:41,452 INFO L87 Difference]: Start difference. First operand 15678 states and 22798 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:08:47,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:47,891 INFO L93 Difference]: Finished difference Result 16957 states and 25048 transitions. [2022-10-16 13:08:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:08:47,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 86 [2022-10-16 13:08:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:47,952 INFO L225 Difference]: With dead ends: 16957 [2022-10-16 13:08:47,952 INFO L226 Difference]: Without dead ends: 16955 [2022-10-16 13:08:47,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:47,961 INFO L413 NwaCegarLoop]: 1608 mSDtfsCounter, 935 mSDsluCounter, 2323 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 3931 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:47,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 3931 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 13:08:47,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16955 states. [2022-10-16 13:08:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16955 to 15710. [2022-10-16 13:08:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15710 states, 11695 states have (on average 1.3683625480974775) internal successors, (16003), 11990 states have internal predecessors, (16003), 2971 states have call successors, (2971), 840 states have call predecessors, (2971), 976 states have return successors, (3856), 3055 states have call predecessors, (3856), 2971 states have call successors, (3856) [2022-10-16 13:08:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15710 states to 15710 states and 22830 transitions. [2022-10-16 13:08:48,974 INFO L78 Accepts]: Start accepts. Automaton has 15710 states and 22830 transitions. Word has length 86 [2022-10-16 13:08:48,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:48,974 INFO L495 AbstractCegarLoop]: Abstraction has 15710 states and 22830 transitions. [2022-10-16 13:08:48,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:08:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 15710 states and 22830 transitions. [2022-10-16 13:08:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 13:08:48,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:48,978 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:48,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 13:08:48,979 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting caif_hsi_get_sizeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:48,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:48,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2066238268, now seen corresponding path program 1 times [2022-10-16 13:08:48,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:48,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975120779] [2022-10-16 13:08:48,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:48,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:08:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:08:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:08:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:08:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:08:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-10-16 13:08:49,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:49,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975120779] [2022-10-16 13:08:49,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975120779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:49,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:49,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:08:49,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943834224] [2022-10-16 13:08:49,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:49,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:08:49,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:49,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:08:49,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:08:49,223 INFO L87 Difference]: Start difference. First operand 15710 states and 22830 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:08:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:53,189 INFO L93 Difference]: Finished difference Result 16479 states and 24262 transitions. [2022-10-16 13:08:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:08:53,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 81 [2022-10-16 13:08:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:53,238 INFO L225 Difference]: With dead ends: 16479 [2022-10-16 13:08:53,239 INFO L226 Difference]: Without dead ends: 16478 [2022-10-16 13:08:53,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:08:53,247 INFO L413 NwaCegarLoop]: 1621 mSDtfsCounter, 437 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 3596 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:53,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 3596 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 13:08:53,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16478 states. [2022-10-16 13:08:54,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16478 to 15709. [2022-10-16 13:08:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15709 states, 11695 states have (on average 1.3673364685763147) internal successors, (15991), 11989 states have internal predecessors, (15991), 2971 states have call successors, (2971), 840 states have call predecessors, (2971), 976 states have return successors, (3856), 3055 states have call predecessors, (3856), 2971 states have call successors, (3856) [2022-10-16 13:08:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15709 states to 15709 states and 22818 transitions. [2022-10-16 13:08:54,255 INFO L78 Accepts]: Start accepts. Automaton has 15709 states and 22818 transitions. Word has length 81 [2022-10-16 13:08:54,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:54,255 INFO L495 AbstractCegarLoop]: Abstraction has 15709 states and 22818 transitions. [2022-10-16 13:08:54,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:08:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 15709 states and 22818 transitions. [2022-10-16 13:08:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:08:54,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:54,259 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:54,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 13:08:54,259 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting cfhsi_dequeueErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:54,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:54,260 INFO L85 PathProgramCache]: Analyzing trace with hash -506169686, now seen corresponding path program 1 times [2022-10-16 13:08:54,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:54,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76928226] [2022-10-16 13:08:54,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:08:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:08:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:08:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:08:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:08:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-16 13:08:54,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:54,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76928226] [2022-10-16 13:08:54,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76928226] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:08:54,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891516976] [2022-10-16 13:08:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:54,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:54,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:54,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:54,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:08:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:55,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:08:55,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-16 13:08:55,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:08:55,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891516976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:55,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:08:55,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:08:55,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057733154] [2022-10-16 13:08:55,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:55,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:08:55,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:55,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:08:55,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:55,486 INFO L87 Difference]: Start difference. First operand 15709 states and 22818 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:08:56,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:56,278 INFO L93 Difference]: Finished difference Result 15781 states and 22978 transitions. [2022-10-16 13:08:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:08:56,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 91 [2022-10-16 13:08:56,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:56,347 INFO L225 Difference]: With dead ends: 15781 [2022-10-16 13:08:56,347 INFO L226 Difference]: Without dead ends: 15780 [2022-10-16 13:08:56,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:56,358 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 8 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3271 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:56,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3271 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:08:56,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15780 states. [2022-10-16 13:08:57,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15780 to 15556. [2022-10-16 13:08:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15556 states, 11559 states have (on average 1.3675058396055022) internal successors, (15807), 11860 states have internal predecessors, (15807), 2955 states have call successors, (2955), 840 states have call predecessors, (2955), 976 states have return successors, (3824), 3031 states have call predecessors, (3824), 2955 states have call successors, (3824) [2022-10-16 13:08:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15556 states to 15556 states and 22586 transitions. [2022-10-16 13:08:57,374 INFO L78 Accepts]: Start accepts. Automaton has 15556 states and 22586 transitions. Word has length 91 [2022-10-16 13:08:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:57,374 INFO L495 AbstractCegarLoop]: Abstraction has 15556 states and 22586 transitions. [2022-10-16 13:08:57,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:08:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 15556 states and 22586 transitions. [2022-10-16 13:08:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 13:08:57,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:57,379 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:57,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:57,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:57,594 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:08:57,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:57,595 INFO L85 PathProgramCache]: Analyzing trace with hash -857032701, now seen corresponding path program 1 times [2022-10-16 13:08:57,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:57,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074988119] [2022-10-16 13:08:57,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:57,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:08:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:08:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:08:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:08:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:08:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:08:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:08:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 13:08:57,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:57,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074988119] [2022-10-16 13:08:57,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074988119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:57,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:57,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:08:57,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692739849] [2022-10-16 13:08:57,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:57,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:08:57,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:57,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:08:57,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:08:57,849 INFO L87 Difference]: Start difference. First operand 15556 states and 22586 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:09:00,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:09:04,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:04,821 INFO L93 Difference]: Finished difference Result 40252 states and 58847 transitions. [2022-10-16 13:09:04,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:09:04,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 82 [2022-10-16 13:09:04,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:04,910 INFO L225 Difference]: With dead ends: 40252 [2022-10-16 13:09:04,910 INFO L226 Difference]: Without dead ends: 24706 [2022-10-16 13:09:04,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:09:04,964 INFO L413 NwaCegarLoop]: 2584 mSDtfsCounter, 2054 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 618 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2255 SdHoareTripleChecker+Valid, 4868 SdHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 618 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:04,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2255 Valid, 4868 Invalid, 2089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [618 Valid, 1471 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 13:09:04,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24706 states. [2022-10-16 13:09:06,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24706 to 23556. [2022-10-16 13:09:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23556 states, 17571 states have (on average 1.3625291673780662) internal successors, (23941), 17996 states have internal predecessors, (23941), 4433 states have call successors, (4433), 1282 states have call predecessors, (4433), 1486 states have return successors, (5727), 4545 states have call predecessors, (5727), 4433 states have call successors, (5727) [2022-10-16 13:09:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23556 states to 23556 states and 34101 transitions. [2022-10-16 13:09:06,267 INFO L78 Accepts]: Start accepts. Automaton has 23556 states and 34101 transitions. Word has length 82 [2022-10-16 13:09:06,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:06,268 INFO L495 AbstractCegarLoop]: Abstraction has 23556 states and 34101 transitions. [2022-10-16 13:09:06,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:09:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 23556 states and 34101 transitions. [2022-10-16 13:09:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 13:09:06,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:06,271 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:06,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 13:09:06,272 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting caif_hsi_get_sizeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:09:06,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:06,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1380044250, now seen corresponding path program 1 times [2022-10-16 13:09:06,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:06,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365855363] [2022-10-16 13:09:06,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:06,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:09:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:09:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:09:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:09:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:09:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-10-16 13:09:06,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:06,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365855363] [2022-10-16 13:09:06,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365855363] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:06,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:06,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:09:06,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952301768] [2022-10-16 13:09:06,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:06,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:09:06,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:06,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:09:06,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:09:06,536 INFO L87 Difference]: Start difference. First operand 23556 states and 34101 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:09:10,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:10,952 INFO L93 Difference]: Finished difference Result 48378 states and 70826 transitions. [2022-10-16 13:09:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:09:10,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2022-10-16 13:09:10,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:11,059 INFO L225 Difference]: With dead ends: 48378 [2022-10-16 13:09:11,060 INFO L226 Difference]: Without dead ends: 24832 [2022-10-16 13:09:11,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:09:11,211 INFO L413 NwaCegarLoop]: 1619 mSDtfsCounter, 437 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 3598 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:11,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 3598 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 13:09:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24832 states. [2022-10-16 13:09:12,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24832 to 23756. [2022-10-16 13:09:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23756 states, 17771 states have (on average 1.3584491587417702) internal successors, (24141), 18196 states have internal predecessors, (24141), 4433 states have call successors, (4433), 1282 states have call predecessors, (4433), 1486 states have return successors, (5727), 4545 states have call predecessors, (5727), 4433 states have call successors, (5727) [2022-10-16 13:09:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23756 states to 23756 states and 34301 transitions. [2022-10-16 13:09:12,497 INFO L78 Accepts]: Start accepts. Automaton has 23756 states and 34301 transitions. Word has length 83 [2022-10-16 13:09:12,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:12,498 INFO L495 AbstractCegarLoop]: Abstraction has 23756 states and 34301 transitions. [2022-10-16 13:09:12,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-16 13:09:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 23756 states and 34301 transitions. [2022-10-16 13:09:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 13:09:12,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:12,501 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:12,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 13:09:12,502 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:09:12,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:12,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1599749017, now seen corresponding path program 1 times [2022-10-16 13:09:12,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:12,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594860581] [2022-10-16 13:09:12,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:12,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:09:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:09:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:09:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:09:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:09:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:09:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-10-16 13:09:12,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:12,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594860581] [2022-10-16 13:09:12,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594860581] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:12,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:12,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:09:12,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132051542] [2022-10-16 13:09:12,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:12,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:09:12,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:12,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:09:12,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:09:12,787 INFO L87 Difference]: Start difference. First operand 23756 states and 34301 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:09:17,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:17,585 INFO L93 Difference]: Finished difference Result 48658 states and 70738 transitions. [2022-10-16 13:09:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:09:17,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 83 [2022-10-16 13:09:17,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:17,667 INFO L225 Difference]: With dead ends: 48658 [2022-10-16 13:09:17,667 INFO L226 Difference]: Without dead ends: 24912 [2022-10-16 13:09:17,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:09:17,722 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 434 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 3591 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:17,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 3591 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 13:09:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24912 states. [2022-10-16 13:09:19,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24912 to 23836. [2022-10-16 13:09:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23836 states, 17835 states have (on average 1.3571628819736474) internal successors, (24205), 18260 states have internal predecessors, (24205), 4449 states have call successors, (4449), 1282 states have call predecessors, (4449), 1486 states have return successors, (5743), 4561 states have call predecessors, (5743), 4449 states have call successors, (5743) [2022-10-16 13:09:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23836 states to 23836 states and 34397 transitions. [2022-10-16 13:09:19,199 INFO L78 Accepts]: Start accepts. Automaton has 23836 states and 34397 transitions. Word has length 83 [2022-10-16 13:09:19,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:19,200 INFO L495 AbstractCegarLoop]: Abstraction has 23836 states and 34397 transitions. [2022-10-16 13:09:19,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:09:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 23836 states and 34397 transitions. [2022-10-16 13:09:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 13:09:19,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:19,204 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:19,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 13:09:19,205 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting cfhsi_tx_frmErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:09:19,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash 230312565, now seen corresponding path program 1 times [2022-10-16 13:09:19,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:19,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609068527] [2022-10-16 13:09:19,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:19,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:09:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:09:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:09:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:09:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:09:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:09:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-16 13:09:19,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:19,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609068527] [2022-10-16 13:09:19,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609068527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:19,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:19,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:09:19,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854829587] [2022-10-16 13:09:19,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:19,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:09:19,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:19,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:09:19,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:09:19,548 INFO L87 Difference]: Start difference. First operand 23836 states and 34397 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:09:25,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:25,729 INFO L93 Difference]: Finished difference Result 48858 states and 71731 transitions. [2022-10-16 13:09:25,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:09:25,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 88 [2022-10-16 13:09:25,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:25,824 INFO L225 Difference]: With dead ends: 48858 [2022-10-16 13:09:25,825 INFO L226 Difference]: Without dead ends: 25032 [2022-10-16 13:09:26,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:09:26,033 INFO L413 NwaCegarLoop]: 1571 mSDtfsCounter, 894 mSDsluCounter, 1863 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:26,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 3434 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 13:09:26,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25032 states. [2022-10-16 13:09:27,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25032 to 23956. [2022-10-16 13:09:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23956 states, 17955 states have (on average 1.354775828460039) internal successors, (24325), 18380 states have internal predecessors, (24325), 4449 states have call successors, (4449), 1282 states have call predecessors, (4449), 1486 states have return successors, (5743), 4561 states have call predecessors, (5743), 4449 states have call successors, (5743) [2022-10-16 13:09:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23956 states to 23956 states and 34517 transitions. [2022-10-16 13:09:27,660 INFO L78 Accepts]: Start accepts. Automaton has 23956 states and 34517 transitions. Word has length 88 [2022-10-16 13:09:27,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:27,660 INFO L495 AbstractCegarLoop]: Abstraction has 23956 states and 34517 transitions. [2022-10-16 13:09:27,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:09:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 23956 states and 34517 transitions. [2022-10-16 13:09:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 13:09:27,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:27,663 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:27,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 13:09:27,664 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:09:27,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:27,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2003510216, now seen corresponding path program 1 times [2022-10-16 13:09:27,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:27,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914948249] [2022-10-16 13:09:27,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:27,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:09:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:09:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:09:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:09:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:09:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-16 13:09:27,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:27,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914948249] [2022-10-16 13:09:27,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914948249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:27,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:27,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:09:27,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059973226] [2022-10-16 13:09:27,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:27,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:09:27,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:27,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:09:27,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:09:27,912 INFO L87 Difference]: Start difference. First operand 23956 states and 34517 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:09:33,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:33,969 INFO L93 Difference]: Finished difference Result 36622 states and 53287 transitions. [2022-10-16 13:09:33,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:09:33,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2022-10-16 13:09:33,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:34,067 INFO L225 Difference]: With dead ends: 36622 [2022-10-16 13:09:34,067 INFO L226 Difference]: Without dead ends: 36616 [2022-10-16 13:09:34,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:09:34,078 INFO L413 NwaCegarLoop]: 1985 mSDtfsCounter, 2251 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:34,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 4014 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 13:09:34,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36616 states. [2022-10-16 13:09:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36616 to 34964. [2022-10-16 13:09:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34964 states, 26331 states have (on average 1.3523603357259504) internal successors, (35609), 26912 states have internal predecessors, (35609), 6403 states have call successors, (6403), 1870 states have call predecessors, (6403), 2164 states have return successors, (8251), 6563 states have call predecessors, (8251), 6403 states have call successors, (8251) [2022-10-16 13:09:36,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34964 states to 34964 states and 50263 transitions. [2022-10-16 13:09:36,100 INFO L78 Accepts]: Start accepts. Automaton has 34964 states and 50263 transitions. Word has length 83 [2022-10-16 13:09:36,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:36,101 INFO L495 AbstractCegarLoop]: Abstraction has 34964 states and 50263 transitions. [2022-10-16 13:09:36,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:09:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 34964 states and 50263 transitions. [2022-10-16 13:09:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:09:36,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:36,105 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:36,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 13:09:36,105 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting cfhsi_tx_queue_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:09:36,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:36,106 INFO L85 PathProgramCache]: Analyzing trace with hash 559082832, now seen corresponding path program 1 times [2022-10-16 13:09:36,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:36,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809507868] [2022-10-16 13:09:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:36,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:09:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:09:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:09:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:09:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:09:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:09:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:09:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:09:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:09:36,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:36,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809507868] [2022-10-16 13:09:36,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809507868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:36,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:36,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:09:36,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468712547] [2022-10-16 13:09:36,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:36,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:09:36,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:36,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:09:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:09:36,441 INFO L87 Difference]: Start difference. First operand 34964 states and 50263 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 13:09:39,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:09:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:43,867 INFO L93 Difference]: Finished difference Result 71686 states and 104830 transitions. [2022-10-16 13:09:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:09:43,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2022-10-16 13:09:43,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:43,986 INFO L225 Difference]: With dead ends: 71686 [2022-10-16 13:09:43,986 INFO L226 Difference]: Without dead ends: 36732 [2022-10-16 13:09:44,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:09:44,076 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 435 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 4105 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:44,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 4105 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-10-16 13:09:44,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36732 states. [2022-10-16 13:09:46,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36732 to 35144. [2022-10-16 13:09:46,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35144 states, 26511 states have (on average 1.3499679378371243) internal successors, (35789), 27092 states have internal predecessors, (35789), 6403 states have call successors, (6403), 1870 states have call predecessors, (6403), 2164 states have return successors, (8251), 6563 states have call predecessors, (8251), 6403 states have call successors, (8251) [2022-10-16 13:09:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35144 states to 35144 states and 50443 transitions. [2022-10-16 13:09:46,471 INFO L78 Accepts]: Start accepts. Automaton has 35144 states and 50443 transitions. Word has length 91 [2022-10-16 13:09:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:46,472 INFO L495 AbstractCegarLoop]: Abstraction has 35144 states and 50443 transitions. [2022-10-16 13:09:46,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 13:09:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35144 states and 50443 transitions. [2022-10-16 13:09:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:09:46,477 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:46,477 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:46,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 13:09:46,478 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting cfhsi_rx_desc_lenErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:09:46,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:46,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1037278671, now seen corresponding path program 1 times [2022-10-16 13:09:46,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:46,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851717682] [2022-10-16 13:09:46,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 13:09:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:09:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 13:09:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:09:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:09:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:09:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:09:47,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:47,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851717682] [2022-10-16 13:09:47,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851717682] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:09:47,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481633711] [2022-10-16 13:09:47,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:47,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:47,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:09:47,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:09:47,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:09:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2378 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:09:47,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:09:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:09:47,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:09:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:09:47,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481633711] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:09:47,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:09:47,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 13:09:47,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600426239] [2022-10-16 13:09:47,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:09:47,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:09:47,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:47,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:09:47,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:09:47,951 INFO L87 Difference]: Start difference. First operand 35144 states and 50443 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 1 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:09:56,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:56,659 INFO L93 Difference]: Finished difference Result 39151 states and 57329 transitions. [2022-10-16 13:09:56,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 13:09:56,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 1 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2022-10-16 13:09:56,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:56,779 INFO L225 Difference]: With dead ends: 39151 [2022-10-16 13:09:56,779 INFO L226 Difference]: Without dead ends: 39150 [2022-10-16 13:09:56,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:09:56,797 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 1047 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 6182 SdHoareTripleChecker+Invalid, 4036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:56,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 6182 Invalid, 4036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-10-16 13:09:56,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39150 states. [2022-10-16 13:09:58,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39150 to 35900. [2022-10-16 13:09:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35900 states, 27267 states have (on average 1.3561081160377013) internal successors, (36977), 27848 states have internal predecessors, (36977), 6403 states have call successors, (6403), 1870 states have call predecessors, (6403), 2164 states have return successors, (8251), 6563 states have call predecessors, (8251), 6403 states have call successors, (8251) [2022-10-16 13:09:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35900 states to 35900 states and 51631 transitions. [2022-10-16 13:09:59,142 INFO L78 Accepts]: Start accepts. Automaton has 35900 states and 51631 transitions. Word has length 92 [2022-10-16 13:09:59,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:59,143 INFO L495 AbstractCegarLoop]: Abstraction has 35900 states and 51631 transitions. [2022-10-16 13:09:59,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 1 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:09:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 35900 states and 51631 transitions. [2022-10-16 13:09:59,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:09:59,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:59,147 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:59,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 13:09:59,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 13:09:59,351 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting cfhsi_rx_desc_lenErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cfhsi_rx_descErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, cfhsi_rx_descErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 91 more)] === [2022-10-16 13:09:59,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:59,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1730453863, now seen corresponding path program 1 times [2022-10-16 13:09:59,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:59,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790742636] [2022-10-16 13:09:59,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:59,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:09:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:09:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 13:09:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:09:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:09:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:09:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 13:09:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 13:09:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:09:59,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:59,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790742636] [2022-10-16 13:09:59,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790742636] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:09:59,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925527347] [2022-10-16 13:09:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:59,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:09:59,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:09:59,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:09:59,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:10:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:00,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 2373 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:10:00,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:10:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 13:10:00,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:10:00,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925527347] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:00,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:10:00,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2022-10-16 13:10:00,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260758876] [2022-10-16 13:10:00,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:00,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:10:00,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:00,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:10:00,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:10:00,527 INFO L87 Difference]: Start difference. First operand 35900 states and 51631 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9)