./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:20:37,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:20:37,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:20:37,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:20:37,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:20:37,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:20:37,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:20:37,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:20:37,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:20:37,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:20:37,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:20:37,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:20:37,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:20:37,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:20:37,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:20:37,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:20:37,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:20:37,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:20:37,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:20:37,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:20:37,779 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:20:37,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:20:37,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:20:37,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:20:37,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:20:37,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:20:37,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:20:37,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:20:37,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:20:37,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:20:37,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:20:37,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:20:37,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:20:37,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:20:37,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:20:37,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:20:37,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:20:37,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:20:37,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:20:37,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:20:37,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:20:37,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:20:37,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:20:37,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:20:37,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:20:37,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:20:37,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:20:37,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:20:37,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:20:37,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:20:37,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:20:37,821 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:20:37,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:20:37,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:20:37,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:20:37,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:20:37,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:20:37,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:20:37,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:20:37,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:20:37,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:20:37,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:20:37,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:20:37,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:20:37,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:20:37,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:20:37,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:20:37,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:20:37,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:20:37,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:20:37,826 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:20:37,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:20:37,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:20:37,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2eca57a5da93969f420ef66a43eef700b57eeaba53725b7d356e0e888c0b0bc [2022-07-12 14:20:38,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:20:38,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:20:38,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:20:38,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:20:38,037 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:20:38,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-12 14:20:38,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9784d60a7/9cf561004347450b9c6e1b7d0774e722/FLAGf574c5767 [2022-07-12 14:20:38,813 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:20:38,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-12 14:20:38,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9784d60a7/9cf561004347450b9c6e1b7d0774e722/FLAGf574c5767 [2022-07-12 14:20:39,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9784d60a7/9cf561004347450b9c6e1b7d0774e722 [2022-07-12 14:20:39,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:20:39,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:20:39,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:20:39,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:20:39,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:20:39,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:20:39" (1/1) ... [2022-07-12 14:20:39,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a64ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:39, skipping insertion in model container [2022-07-12 14:20:39,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:20:39" (1/1) ... [2022-07-12 14:20:39,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:20:39,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:20:41,593 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-07-12 14:20:41,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:20:41,759 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:20:42,170 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[377645,377658] [2022-07-12 14:20:42,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:20:42,359 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:20:42,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42 WrapperNode [2022-07-12 14:20:42,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:20:42,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:20:42,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:20:42,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:20:42,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,561 INFO L137 Inliner]: procedures = 440, calls = 2534, calls flagged for inlining = 197, calls inlined = 145, statements flattened = 5938 [2022-07-12 14:20:42,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:20:42,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:20:42,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:20:42,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:20:42,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:20:42,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:20:42,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:20:42,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:20:42,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (1/1) ... [2022-07-12 14:20:42,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:20:42,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:20:42,928 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) [2022-07-12 14:20:42,933 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 [2022-07-12 14:20:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-07-12 14:20:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-07-12 14:20:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-12 14:20:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-12 14:20:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-07-12 14:20:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-07-12 14:20:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-07-12 14:20:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-07-12 14:20:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:20:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:20:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 14:20:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 14:20:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:20:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:20:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-07-12 14:20:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-07-12 14:20:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:20:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:20:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:20:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:20:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-07-12 14:20:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-07-12 14:20:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-07-12 14:20:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-07-12 14:20:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-07-12 14:20:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-07-12 14:20:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-12 14:20:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-12 14:20:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-07-12 14:20:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-07-12 14:20:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-12 14:20:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-12 14:20:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-07-12 14:20:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-07-12 14:20:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-12 14:20:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-12 14:20:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-07-12 14:20:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-07-12 14:20:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 14:20:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 14:20:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-12 14:20:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-12 14:20:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:20:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:20:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-07-12 14:20:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-07-12 14:20:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-07-12 14:20:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-07-12 14:20:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-07-12 14:20:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-07-12 14:20:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:20:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:20:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-07-12 14:20:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-07-12 14:20:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-07-12 14:20:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-07-12 14:20:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-07-12 14:20:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-07-12 14:20:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-12 14:20:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-07-12 14:20:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 14:20:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 14:20:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-07-12 14:20:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-07-12 14:20:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:20:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:20:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 14:20:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 14:20:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:20:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:20:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:20:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:20:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-07-12 14:20:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-07-12 14:20:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:20:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:20:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-07-12 14:20:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-07-12 14:20:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:20:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-07-12 14:20:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-07-12 14:20:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 14:20:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 14:20:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-07-12 14:20:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-07-12 14:20:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:20:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:20:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-07-12 14:20:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-07-12 14:20:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:20:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:20:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:20:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:20:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-07-12 14:20:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-07-12 14:20:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:20:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-07-12 14:20:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-07-12 14:20:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:20:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:20:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:20:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-12 14:20:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-12 14:20:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:20:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:20:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:20:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-07-12 14:20:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-07-12 14:20:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 14:20:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 14:20:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-07-12 14:20:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-07-12 14:20:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 14:20:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 14:20:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:20:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:20:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-07-12 14:20:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-07-12 14:20:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 14:20:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 14:20:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-07-12 14:20:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-07-12 14:20:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-07-12 14:20:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-07-12 14:20:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-12 14:20:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-12 14:20:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-12 14:20:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-12 14:20:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-07-12 14:20:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-07-12 14:20:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:20:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:20:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-07-12 14:20:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-07-12 14:20:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-07-12 14:20:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-07-12 14:20:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 14:20:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 14:20:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-07-12 14:20:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-07-12 14:20:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-07-12 14:20:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-07-12 14:20:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:20:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-07-12 14:20:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-07-12 14:20:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-12 14:20:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-12 14:20:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-07-12 14:20:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-07-12 14:20:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:20:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 14:20:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 14:20:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-07-12 14:20:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-07-12 14:20:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:20:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:20:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:20:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-07-12 14:20:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-07-12 14:20:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:20:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:20:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-07-12 14:20:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-07-12 14:20:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 14:20:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 14:20:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-12 14:20:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-12 14:20:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 14:20:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 14:20:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-07-12 14:20:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-07-12 14:20:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-07-12 14:20:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-07-12 14:20:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-12 14:20:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-12 14:20:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-07-12 14:20:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-07-12 14:20:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-07-12 14:20:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-07-12 14:20:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-12 14:20:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-12 14:20:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-07-12 14:20:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-07-12 14:20:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:20:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:20:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-07-12 14:20:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-07-12 14:20:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:20:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:20:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:20:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:20:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 14:20:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 14:20:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 14:20:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 14:20:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 14:20:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 14:20:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:20:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:20:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:20:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:20:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 14:20:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 14:20:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-12 14:20:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-07-12 14:20:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 14:20:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 14:20:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:20:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:20:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-07-12 14:20:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-07-12 14:20:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-07-12 14:20:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-07-12 14:20:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-12 14:20:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-12 14:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 14:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 14:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-07-12 14:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-07-12 14:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 14:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 14:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-12 14:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-12 14:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:20:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:20:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:20:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-07-12 14:20:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-07-12 14:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-07-12 14:20:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-07-12 14:20:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-07-12 14:20:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-07-12 14:20:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 14:20:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 14:20:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:20:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-07-12 14:20:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-07-12 14:20:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:20:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:20:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-07-12 14:20:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-07-12 14:20:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 14:20:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 14:20:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:20:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:20:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:20:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-07-12 14:20:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-07-12 14:20:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-07-12 14:20:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-07-12 14:20:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-12 14:20:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-12 14:20:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:20:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-07-12 14:20:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-07-12 14:20:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-07-12 14:20:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-07-12 14:20:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 14:20:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 14:20:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:20:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:20:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-07-12 14:20:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-07-12 14:20:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 14:20:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 14:20:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-07-12 14:20:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-07-12 14:20:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-07-12 14:20:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-07-12 14:20:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-07-12 14:20:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-07-12 14:20:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-07-12 14:20:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-07-12 14:20:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-07-12 14:20:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-07-12 14:20:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 14:20:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 14:20:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-07-12 14:20:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-07-12 14:20:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:20:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:20:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-07-12 14:20:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-07-12 14:20:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-07-12 14:20:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-07-12 14:20:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 14:20:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 14:20:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 14:20:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 14:20:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-07-12 14:20:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-07-12 14:20:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:20:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:20:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:20:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:20:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-07-12 14:20:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-07-12 14:20:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-07-12 14:20:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-07-12 14:20:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:20:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-12 14:20:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-12 14:20:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-12 14:20:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-12 14:20:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:20:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:20:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-07-12 14:20:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-07-12 14:20:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-07-12 14:20:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-07-12 14:20:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-07-12 14:20:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-07-12 14:20:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-07-12 14:20:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-07-12 14:20:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:20:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:20:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-07-12 14:20:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-07-12 14:20:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-07-12 14:20:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-07-12 14:20:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-07-12 14:20:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-07-12 14:20:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 14:20:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 14:20:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-07-12 14:20:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-07-12 14:20:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-07-12 14:20:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-07-12 14:20:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-07-12 14:20:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-07-12 14:20:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-07-12 14:20:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-07-12 14:20:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:20:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:20:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 14:20:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 14:20:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-07-12 14:20:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-07-12 14:20:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:20:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-07-12 14:20:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-07-12 14:20:43,701 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:20:43,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:20:43,912 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:21:22,300 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:21:22,335 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:21:22,336 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:21:22,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:21:22 BoogieIcfgContainer [2022-07-12 14:21:22,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:21:22,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:21:22,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:21:22,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:21:22,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:20:39" (1/3) ... [2022-07-12 14:21:22,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c18b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:21:22, skipping insertion in model container [2022-07-12 14:21:22,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:20:42" (2/3) ... [2022-07-12 14:21:22,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c18b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:21:22, skipping insertion in model container [2022-07-12 14:21:22,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:21:22" (3/3) ... [2022-07-12 14:21:22,350 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-07-12 14:21:22,363 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:21:22,364 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:21:22,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:21:22,454 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2df0caf6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@24d1081d [2022-07-12 14:21:22,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:21:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 3268 states, 2228 states have (on average 1.4618491921005385) internal successors, (3257), 2291 states have internal predecessors, (3257), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) [2022-07-12 14:21:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-12 14:21:22,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:21:22,494 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:21:22,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:21:22,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:21:22,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2121989063, now seen corresponding path program 1 times [2022-07-12 14:21:22,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:21:22,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973694276] [2022-07-12 14:21:22,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:21:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:21:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:21:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:21:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:21:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:21:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:21:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:21:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:21:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:21:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:21:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 14:21:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:21:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 14:21:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:21:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 14:21:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:21:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 14:21:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 14:21:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:23,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-12 14:21:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 14:21:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 14:21:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 14:21:24,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:21:24,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973694276] [2022-07-12 14:21:24,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973694276] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:21:24,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:21:24,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:21:24,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334881679] [2022-07-12 14:21:24,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:21:24,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:21:24,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:21:24,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:21:24,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:21:24,090 INFO L87 Difference]: Start difference. First operand has 3268 states, 2228 states have (on average 1.4618491921005385) internal successors, (3257), 2291 states have internal predecessors, (3257), 874 states have call successors, (874), 165 states have call predecessors, (874), 164 states have return successors, (868), 853 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 14:21:26,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:21:28,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:21:32,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:21:45,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:21:45,748 INFO L93 Difference]: Finished difference Result 7233 states and 11832 transitions. [2022-07-12 14:21:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:21:45,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-07-12 14:21:45,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:21:45,797 INFO L225 Difference]: With dead ends: 7233 [2022-07-12 14:21:45,797 INFO L226 Difference]: Without dead ends: 3952 [2022-07-12 14:21:45,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:21:45,832 INFO L413 NwaCegarLoop]: 4603 mSDtfsCounter, 3085 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 2600 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 8972 SdHoareTripleChecker+Invalid, 4741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2600 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:21:45,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 8972 Invalid, 4741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2600 Valid, 2139 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2022-07-12 14:21:45,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-07-12 14:21:46,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3250. [2022-07-12 14:21:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 2218 states have (on average 1.3011722272317403) internal successors, (2886), 2273 states have internal predecessors, (2886), 868 states have call successors, (868), 164 states have call predecessors, (868), 163 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-07-12 14:21:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4621 transitions. [2022-07-12 14:21:46,062 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4621 transitions. Word has length 274 [2022-07-12 14:21:46,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:21:46,065 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4621 transitions. [2022-07-12 14:21:46,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 14:21:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4621 transitions. [2022-07-12 14:21:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-12 14:21:46,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:21:46,075 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:21:46,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:21:46,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:21:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:21:46,076 INFO L85 PathProgramCache]: Analyzing trace with hash 834827865, now seen corresponding path program 1 times [2022-07-12 14:21:46,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:21:46,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480707363] [2022-07-12 14:21:46,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:21:46,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:21:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:21:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:21:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:21:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:21:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:21:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:21:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:21:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:21:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:21:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:21:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 14:21:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:21:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 14:21:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:21:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 14:21:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:21:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 14:21:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 14:21:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:21:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-12 14:21:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 14:21:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 14:21:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:21:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 14:21:47,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:21:47,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480707363] [2022-07-12 14:21:47,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480707363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:21:47,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:21:47,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:21:47,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425913234] [2022-07-12 14:21:47,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:21:47,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:21:47,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:21:47,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:21:47,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:21:47,107 INFO L87 Difference]: Start difference. First operand 3250 states and 4621 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 14:21:49,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:21:51,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:22:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:22:26,803 INFO L93 Difference]: Finished difference Result 10586 states and 15461 transitions. [2022-07-12 14:22:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:22:26,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 274 [2022-07-12 14:22:26,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:22:26,857 INFO L225 Difference]: With dead ends: 10586 [2022-07-12 14:22:26,857 INFO L226 Difference]: Without dead ends: 7379 [2022-07-12 14:22:26,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:22:26,884 INFO L413 NwaCegarLoop]: 5248 mSDtfsCounter, 8413 mSDsluCounter, 8926 mSDsCounter, 0 mSdLazyCounter, 4942 mSolverCounterSat, 5105 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8804 SdHoareTripleChecker+Valid, 14174 SdHoareTripleChecker+Invalid, 10049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5105 IncrementalHoareTripleChecker+Valid, 4942 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:22:26,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8804 Valid, 14174 Invalid, 10049 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5105 Valid, 4942 Invalid, 2 Unknown, 0 Unchecked, 38.6s Time] [2022-07-12 14:22:26,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-12 14:22:27,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6070. [2022-07-12 14:22:27,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6070 states, 4139 states have (on average 1.3007972940323749) internal successors, (5384), 4248 states have internal predecessors, (5384), 1617 states have call successors, (1617), 314 states have call predecessors, (1617), 313 states have return successors, (1616), 1586 states have call predecessors, (1616), 1616 states have call successors, (1616) [2022-07-12 14:22:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8617 transitions. [2022-07-12 14:22:27,232 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8617 transitions. Word has length 274 [2022-07-12 14:22:27,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:22:27,234 INFO L495 AbstractCegarLoop]: Abstraction has 6070 states and 8617 transitions. [2022-07-12 14:22:27,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 14:22:27,236 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8617 transitions. [2022-07-12 14:22:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-12 14:22:27,244 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:22:27,244 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:22:27,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:22:27,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:22:27,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:22:27,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1380883826, now seen corresponding path program 1 times [2022-07-12 14:22:27,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:22:27,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496299389] [2022-07-12 14:22:27,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:22:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:22:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:22:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:22:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:22:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:22:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:22:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:22:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:22:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:22:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:22:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:22:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 14:22:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:22:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 14:22:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:22:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 14:22:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:22:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 14:22:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 14:22:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:22:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 14:22:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 14:22:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-12 14:22:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:22:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 14:22:28,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:22:28,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496299389] [2022-07-12 14:22:28,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496299389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:22:28,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:22:28,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:22:28,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695305622] [2022-07-12 14:22:28,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:22:28,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:22:28,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:22:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:22:28,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:22:28,302 INFO L87 Difference]: Start difference. First operand 6070 states and 8617 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 14:22:30,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:22:32,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:23:13,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:23:13,003 INFO L93 Difference]: Finished difference Result 20649 states and 30179 transitions. [2022-07-12 14:23:13,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:23:13,004 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-07-12 14:23:13,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:23:13,091 INFO L225 Difference]: With dead ends: 20649 [2022-07-12 14:23:13,091 INFO L226 Difference]: Without dead ends: 14622 [2022-07-12 14:23:13,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:23:13,125 INFO L413 NwaCegarLoop]: 7124 mSDtfsCounter, 12196 mSDsluCounter, 10859 mSDsCounter, 0 mSdLazyCounter, 5142 mSolverCounterSat, 8894 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12661 SdHoareTripleChecker+Valid, 17983 SdHoareTripleChecker+Invalid, 14038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8894 IncrementalHoareTripleChecker+Valid, 5142 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:23:13,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12661 Valid, 17983 Invalid, 14038 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8894 Valid, 5142 Invalid, 2 Unknown, 0 Unchecked, 43.3s Time] [2022-07-12 14:23:13,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2022-07-12 14:23:13,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 11778. [2022-07-12 14:23:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11778 states, 8019 states have (on average 1.299289188178077) internal successors, (10419), 8230 states have internal predecessors, (10419), 3137 states have call successors, (3137), 622 states have call predecessors, (3137), 621 states have return successors, (3136), 3078 states have call predecessors, (3136), 3136 states have call successors, (3136) [2022-07-12 14:23:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11778 states to 11778 states and 16692 transitions. [2022-07-12 14:23:13,674 INFO L78 Accepts]: Start accepts. Automaton has 11778 states and 16692 transitions. Word has length 288 [2022-07-12 14:23:13,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:23:13,677 INFO L495 AbstractCegarLoop]: Abstraction has 11778 states and 16692 transitions. [2022-07-12 14:23:13,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-12 14:23:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 11778 states and 16692 transitions. [2022-07-12 14:23:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-12 14:23:13,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:23:13,684 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:23:13,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:23:13,685 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:23:13,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:23:13,685 INFO L85 PathProgramCache]: Analyzing trace with hash -693768482, now seen corresponding path program 1 times [2022-07-12 14:23:13,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:23:13,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331604529] [2022-07-12 14:23:13,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:23:13,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:23:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:23:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:23:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:23:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:23:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:23:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:23:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:23:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:23:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:23:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:23:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 14:23:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:23:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 14:23:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:23:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 14:23:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:23:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 14:23:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 14:23:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:23:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 14:23:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 14:23:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 14:23:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:23:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:23:14,550 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 14:23:14,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:23:14,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331604529] [2022-07-12 14:23:14,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331604529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:23:14,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:23:14,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:23:14,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944883715] [2022-07-12 14:23:14,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:23:14,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:23:14,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:23:14,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:23:14,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:23:14,552 INFO L87 Difference]: Start difference. First operand 11778 states and 16692 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 14:23:16,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:23:18,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:23:41,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:24:10,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:24:10,301 INFO L93 Difference]: Finished difference Result 39114 states and 57074 transitions. [2022-07-12 14:24:10,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:24:10,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 299 [2022-07-12 14:24:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:24:10,536 INFO L225 Difference]: With dead ends: 39114 [2022-07-12 14:24:10,537 INFO L226 Difference]: Without dead ends: 27389 [2022-07-12 14:24:10,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:24:10,631 INFO L413 NwaCegarLoop]: 5491 mSDtfsCounter, 8651 mSDsluCounter, 11200 mSDsCounter, 0 mSdLazyCounter, 6333 mSolverCounterSat, 5176 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9023 SdHoareTripleChecker+Valid, 16691 SdHoareTripleChecker+Invalid, 11512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5176 IncrementalHoareTripleChecker+Valid, 6333 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:24:10,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9023 Valid, 16691 Invalid, 11512 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5176 Valid, 6333 Invalid, 3 Unknown, 0 Unchecked, 54.0s Time] [2022-07-12 14:24:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27389 states. [2022-07-12 14:24:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27389 to 23334. [2022-07-12 14:24:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23334 states, 15898 states have (on average 1.2929928292867028) internal successors, (20556), 16300 states have internal predecessors, (20556), 6130 states have call successors, (6130), 1200 states have call predecessors, (6130), 1305 states have return successors, (7033), 6117 states have call predecessors, (7033), 6129 states have call successors, (7033) [2022-07-12 14:24:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23334 states to 23334 states and 33719 transitions. [2022-07-12 14:24:11,725 INFO L78 Accepts]: Start accepts. Automaton has 23334 states and 33719 transitions. Word has length 299 [2022-07-12 14:24:11,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:24:11,726 INFO L495 AbstractCegarLoop]: Abstraction has 23334 states and 33719 transitions. [2022-07-12 14:24:11,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 14:24:11,726 INFO L276 IsEmpty]: Start isEmpty. Operand 23334 states and 33719 transitions. [2022-07-12 14:24:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-12 14:24:11,730 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:24:11,730 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:24:11,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:24:11,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:24:11,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:24:11,731 INFO L85 PathProgramCache]: Analyzing trace with hash -690498437, now seen corresponding path program 1 times [2022-07-12 14:24:11,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:24:11,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589577205] [2022-07-12 14:24:11,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:24:11,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:24:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:24:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:24:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:24:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:24:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:24:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:24:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:24:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:24:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:24:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:24:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 14:24:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:24:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 14:24:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:24:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 14:24:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:24:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 14:24:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 14:24:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:24:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 14:24:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:24:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:24:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:24:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 14:24:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 14:24:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 14:24:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:24:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-12 14:24:13,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:24:13,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589577205] [2022-07-12 14:24:13,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589577205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:24:13,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:24:13,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:24:13,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969664462] [2022-07-12 14:24:13,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:24:13,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:24:13,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:24:13,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:24:13,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:24:13,025 INFO L87 Difference]: Start difference. First operand 23334 states and 33719 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-12 14:24:15,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:24:27,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:24:35,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:24:35,590 INFO L93 Difference]: Finished difference Result 27450 states and 40482 transitions. [2022-07-12 14:24:35,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:24:35,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 315 [2022-07-12 14:24:35,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:24:35,600 INFO L225 Difference]: With dead ends: 27450 [2022-07-12 14:24:35,600 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 14:24:35,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:24:35,702 INFO L413 NwaCegarLoop]: 4490 mSDtfsCounter, 6741 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 3192 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7071 SdHoareTripleChecker+Valid, 9084 SdHoareTripleChecker+Invalid, 5517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3192 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:24:35,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7071 Valid, 9084 Invalid, 5517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3192 Valid, 2324 Invalid, 1 Unknown, 0 Unchecked, 21.4s Time] [2022-07-12 14:24:35,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 14:24:35,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 14:24:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 14:24:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 14:24:35,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 315 [2022-07-12 14:24:35,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:24:35,709 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 14:24:35,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-12 14:24:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 14:24:35,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 14:24:35,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 14:24:35,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:24:35,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.