/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:16:40,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:16:40,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:16:40,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:16:40,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:16:40,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:16:40,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:16:40,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:16:40,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:16:40,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:16:40,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:16:40,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:16:40,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:16:40,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:16:40,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:16:40,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:16:40,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:16:40,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:16:40,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:16:40,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:16:40,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:16:40,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:16:40,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:16:40,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:16:40,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:16:40,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:16:40,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:16:40,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:16:40,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:16:40,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:16:40,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:16:40,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:16:40,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:16:40,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:16:40,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:16:40,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:16:40,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:16:40,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:16:40,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:16:40,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:16:40,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:16:40,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:16:40,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:16:40,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:16:40,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:16:40,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:16:40,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:16:40,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:16:40,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:16:40,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:16:40,814 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:16:40,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:16:40,816 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:16:40,816 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:16:40,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:16:40,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:16:40,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:16:40,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:16:40,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:16:40,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:16:40,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:16:40,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:16:40,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:16:40,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:16:40,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:16:40,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:16:40,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:16:40,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:16:40,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:16:40,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:16:40,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:16:40,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:16:40,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:16:40,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:16:40,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:16:40,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:16:41,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:16:41,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:16:41,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:16:41,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:16:41,321 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:16:41,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i [2022-10-15 21:16:41,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6496a3c/1da0ed338069473986cf4ad6566e36db/FLAG6547f02cc [2022-10-15 21:16:42,605 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:16:42,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i [2022-10-15 21:16:42,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6496a3c/1da0ed338069473986cf4ad6566e36db/FLAG6547f02cc [2022-10-15 21:16:42,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6496a3c/1da0ed338069473986cf4ad6566e36db [2022-10-15 21:16:42,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:16:42,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:16:42,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:16:42,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:16:42,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:16:42,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:42,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b0e628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:42, skipping insertion in model container [2022-10-15 21:16:42,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:16:42" (1/1) ... [2022-10-15 21:16:42,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:16:42,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:16:43,644 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4786] [2022-10-15 21:16:43,644 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4787-4788] [2022-10-15 21:16:43,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i[144467,144480] [2022-10-15 21:16:45,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:16:45,085 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:16:45,351 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4786] [2022-10-15 21:16:45,352 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4787-4788] [2022-10-15 21:16:45,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i[144467,144480] [2022-10-15 21:16:45,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:16:45,842 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:16:45,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45 WrapperNode [2022-10-15 21:16:45,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:16:45,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:16:45,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:16:45,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:16:45,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:45,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:46,453 INFO L138 Inliner]: procedures = 151, calls = 808, calls flagged for inlining = 86, calls inlined = 71, statements flattened = 2226 [2022-10-15 21:16:46,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:16:46,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:16:46,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:16:46,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:16:46,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:46,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:46,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:46,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:46,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:46,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:47,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:47,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:47,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:16:47,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:16:47,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:16:47,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:16:47,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (1/1) ... [2022-10-15 21:16:47,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:16:47,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:16:47,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:16:47,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:16:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_prep_lba48 [2022-10-15 21:16:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_prep_lba48 [2022-10-15 21:16:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:16:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:16:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:16:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:16:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:16:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:16:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:16:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:16:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_reset_port [2022-10-15 21:16:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_reset_port [2022-10-15 21:16:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:16:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:16:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_i2c_read [2022-10-15 21:16:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_i2c_read [2022-10-15 21:16:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_pkt_footer [2022-10-15 21:16:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_pkt_footer [2022-10-15 21:16:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:16:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:16:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:16:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure ata_port_pbar_desc [2022-10-15 21:16:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_port_pbar_desc [2022-10-15 21:16:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:16:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:16:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-10-15 21:16:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-10-15 21:16:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:16:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:16:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:16:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_dump_hdma [2022-10-15 21:16:47,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_dump_hdma [2022-10-15 21:16:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:16:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure __pdc20621_push_hdma [2022-10-15 21:16:47,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __pdc20621_push_hdma [2022-10-15 21:16:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:16:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:16:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:16:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:16:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:16:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-15 21:16:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-15 21:16:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:16:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_prep_lba28 [2022-10-15 21:16:47,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_prep_lba28 [2022-10-15 21:16:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-10-15 21:16:47,317 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-10-15 21:16:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:16:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:16:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:16:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-15 21:16:47,320 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-15 21:16:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-15 21:16:47,320 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-15 21:16:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:16:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_push_hdma [2022-10-15 21:16:47,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_push_hdma [2022-10-15 21:16:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_ata_pkt [2022-10-15 21:16:47,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_ata_pkt [2022-10-15 21:16:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:16:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:16:47,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:16:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:16:47,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:16:47,965 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:16:47,968 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:16:53,109 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:17:00,697 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:17:00,774 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:17:00,774 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:17:00,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:17:00 BoogieIcfgContainer [2022-10-15 21:17:00,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:17:00,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:17:00,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:17:00,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:17:00,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:16:42" (1/3) ... [2022-10-15 21:17:00,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce90277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:17:00, skipping insertion in model container [2022-10-15 21:17:00,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:45" (2/3) ... [2022-10-15 21:17:00,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce90277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:17:00, skipping insertion in model container [2022-10-15 21:17:00,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:17:00" (3/3) ... [2022-10-15 21:17:00,803 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i [2022-10-15 21:17:00,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:17:00,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2022-10-15 21:17:00,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:17:00,951 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;@6c9bbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:17:00,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2022-10-15 21:17:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 769 states, 560 states have (on average 1.55) internal successors, (868), 624 states have internal predecessors, (868), 133 states have call successors, (133), 24 states have call predecessors, (133), 23 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2022-10-15 21:17:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 21:17:00,981 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:00,982 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:00,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2022-10-15 21:17:00,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:00,991 INFO L85 PathProgramCache]: Analyzing trace with hash -375894950, now seen corresponding path program 1 times [2022-10-15 21:17:01,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:01,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641653800] [2022-10-15 21:17:01,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:01,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:17:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:17:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:17:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:17:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-15 21:17:02,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:02,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641653800] [2022-10-15 21:17:02,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641653800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:02,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:02,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:17:02,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444442222] [2022-10-15 21:17:02,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:02,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:02,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:02,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:02,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:02,170 INFO L87 Difference]: Start difference. First operand has 769 states, 560 states have (on average 1.55) internal successors, (868), 624 states have internal predecessors, (868), 133 states have call successors, (133), 24 states have call predecessors, (133), 23 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:17:04,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:06,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:11,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:11,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:11,990 INFO L93 Difference]: Finished difference Result 1930 states and 2936 transitions. [2022-10-15 21:17:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:17:11,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 61 [2022-10-15 21:17:11,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:12,030 INFO L225 Difference]: With dead ends: 1930 [2022-10-15 21:17:12,030 INFO L226 Difference]: Without dead ends: 1135 [2022-10-15 21:17:12,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:12,059 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 685 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 237 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 2461 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:12,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 2461 Invalid, 789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [237 Valid, 549 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2022-10-15 21:17:12,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-10-15 21:17:12,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1100. [2022-10-15 21:17:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 840 states have (on average 1.3928571428571428) internal successors, (1170), 885 states have internal predecessors, (1170), 188 states have call successors, (188), 39 states have call predecessors, (188), 39 states have return successors, (188), 187 states have call predecessors, (188), 188 states have call successors, (188) [2022-10-15 21:17:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1546 transitions. [2022-10-15 21:17:12,303 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1546 transitions. Word has length 61 [2022-10-15 21:17:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:12,305 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1546 transitions. [2022-10-15 21:17:12,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:17:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1546 transitions. [2022-10-15 21:17:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:17:12,315 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:12,315 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:12,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:17:12,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2022-10-15 21:17:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash -180128243, now seen corresponding path program 1 times [2022-10-15 21:17:12,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:12,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762790506] [2022-10-15 21:17:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:12,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:17:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:17:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:17:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:17:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-15 21:17:12,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:12,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762790506] [2022-10-15 21:17:12,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762790506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:12,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:12,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:17:12,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69850165] [2022-10-15 21:17:12,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:12,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:12,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:12,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:12,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:12,828 INFO L87 Difference]: Start difference. First operand 1100 states and 1546 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:17:15,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:17,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:21,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:22,137 INFO L93 Difference]: Finished difference Result 2679 states and 3787 transitions. [2022-10-15 21:17:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:17:22,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 87 [2022-10-15 21:17:22,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:22,163 INFO L225 Difference]: With dead ends: 2679 [2022-10-15 21:17:22,163 INFO L226 Difference]: Without dead ends: 1600 [2022-10-15 21:17:22,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:22,174 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 678 mSDsluCounter, 1373 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 196 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 2528 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:22,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 2528 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 608 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2022-10-15 21:17:22,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2022-10-15 21:17:22,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1523. [2022-10-15 21:17:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1191 states have (on average 1.4122586062132663) internal successors, (1682), 1236 states have internal predecessors, (1682), 248 states have call successors, (248), 51 states have call predecessors, (248), 51 states have return successors, (248), 247 states have call predecessors, (248), 248 states have call successors, (248) [2022-10-15 21:17:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2178 transitions. [2022-10-15 21:17:22,345 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2178 transitions. Word has length 87 [2022-10-15 21:17:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:22,349 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 2178 transitions. [2022-10-15 21:17:22,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:17:22,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2178 transitions. [2022-10-15 21:17:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 21:17:22,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:22,356 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2022-10-15 21:17:22,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:17:22,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2022-10-15 21:17:22,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:22,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1126591149, now seen corresponding path program 1 times [2022-10-15 21:17:22,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:22,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413405889] [2022-10-15 21:17:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:22,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:17:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:17:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:17:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:17:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:17:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 21:17:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:17:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:17:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-15 21:17:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-15 21:17:23,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:23,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413405889] [2022-10-15 21:17:23,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413405889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:23,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:23,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:17:23,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075664542] [2022-10-15 21:17:23,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:23,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:23,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:23,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:23,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:23,067 INFO L87 Difference]: Start difference. First operand 1523 states and 2178 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:17:25,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:27,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:32,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:32,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:32,415 INFO L93 Difference]: Finished difference Result 3499 states and 5038 transitions. [2022-10-15 21:17:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:17:32,416 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), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 105 [2022-10-15 21:17:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:32,435 INFO L225 Difference]: With dead ends: 3499 [2022-10-15 21:17:32,436 INFO L226 Difference]: Without dead ends: 2008 [2022-10-15 21:17:32,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:32,445 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 1026 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 234 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:32,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1126 Valid, 2214 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 458 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2022-10-15 21:17:32,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2022-10-15 21:17:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 1944. [2022-10-15 21:17:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1534 states have (on average 1.407431551499348) internal successors, (2159), 1586 states have internal predecessors, (2159), 309 states have call successors, (309), 68 states have call predecessors, (309), 68 states have return successors, (309), 307 states have call predecessors, (309), 309 states have call successors, (309) [2022-10-15 21:17:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2777 transitions. [2022-10-15 21:17:32,607 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2777 transitions. Word has length 105 [2022-10-15 21:17:32,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:32,608 INFO L495 AbstractCegarLoop]: Abstraction has 1944 states and 2777 transitions. [2022-10-15 21:17:32,609 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), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:17:32,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2777 transitions. [2022-10-15 21:17:32,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 21:17:32,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:32,614 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:32,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:17:32,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2022-10-15 21:17:32,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:32,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1099557341, now seen corresponding path program 1 times [2022-10-15 21:17:32,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:32,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073862071] [2022-10-15 21:17:32,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:32,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:17:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:17:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:17:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:17:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:17:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 21:17:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:17:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:17:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-15 21:17:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 21:17:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-15 21:17:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:17:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-10-15 21:17:33,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:33,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073862071] [2022-10-15 21:17:33,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073862071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:33,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:33,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:17:33,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054421404] [2022-10-15 21:17:33,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:33,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:17:33,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:33,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:17:33,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:33,520 INFO L87 Difference]: Start difference. First operand 1944 states and 2777 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-15 21:17:36,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []