./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.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 8d8765652cb47319bc5d2745b6af0e3054c09de58d68c114f80568c48ca819e2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 13:25:30,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:25:30,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:25:30,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:25:30,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:25:30,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:25:30,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:25:30,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:25:30,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:25:30,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:25:30,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:25:30,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:25:30,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:25:30,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:25:30,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:25:30,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:25:30,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:25:30,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:25:30,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:25:30,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:25:30,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:25:30,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:25:30,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:25:30,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:25:30,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:25:30,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:25:30,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:25:30,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:25:30,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:25:30,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:25:30,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:25:30,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:25:30,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:25:30,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:25:30,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:25:30,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:25:30,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:25:30,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:25:30,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:25:30,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:25:30,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:25:30,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:25:30,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:25:30,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:25:30,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:25:30,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:25:30,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:25:30,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:25:30,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:25:30,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:25:30,795 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:25:30,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:25:30,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:25:30,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:25:30,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:25:30,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:25:30,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:25:30,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:25:30,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:25:30,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:25:30,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:25:30,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:25:30,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:25:30,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:25:30,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:25:30,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:25:30,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:25:30,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:25:30,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:25:30,800 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:25:30,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:25:30,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:25:30,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:25:30,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d8765652cb47319bc5d2745b6af0e3054c09de58d68c114f80568c48ca819e2 [2021-12-18 13:25:30,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:25:31,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:25:31,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:25:31,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:25:31,007 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:25:31,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-12-18 13:25:31,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84b304edc/9b56d7bf809146078876e36537b5abb0/FLAGc83959b85 [2021-12-18 13:25:32,028 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:25:32,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-12-18 13:25:32,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84b304edc/9b56d7bf809146078876e36537b5abb0/FLAGc83959b85 [2021-12-18 13:25:32,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84b304edc/9b56d7bf809146078876e36537b5abb0 [2021-12-18 13:25:32,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:25:32,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:25:32,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:25:32,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:25:32,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:25:32,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:25:32" (1/1) ... [2021-12-18 13:25:32,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c9e732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:32, skipping insertion in model container [2021-12-18 13:25:32,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:25:32" (1/1) ... [2021-12-18 13:25:32,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:25:32,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:25:40,765 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047090,1047103] [2021-12-18 13:25:40,767 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047235,1047248] [2021-12-18 13:25:40,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:25:40,917 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:25:41,533 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047090,1047103] [2021-12-18 13:25:41,534 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[1047235,1047248] [2021-12-18 13:25:41,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:25:41,930 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:25:41,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41 WrapperNode [2021-12-18 13:25:41,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:25:41,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:25:41,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:25:41,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:25:41,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:42,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:42,838 INFO L137 Inliner]: procedures = 679, calls = 14318, calls flagged for inlining = 338, calls inlined = 311, statements flattened = 26922 [2021-12-18 13:25:42,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:25:42,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:25:42,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:25:42,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:25:42,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:42,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:43,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:43,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:43,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:43,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:43,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:43,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:25:43,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:25:43,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:25:43,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:25:43,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (1/1) ... [2021-12-18 13:25:43,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:25:43,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:25:43,964 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) [2021-12-18 13:25:43,969 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 [2021-12-18 13:25:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_rf_reg [2021-12-18 13:25:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_rf_reg [2021-12-18 13:25:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2021-12-18 13:25:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2021-12-18 13:25:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 13:25:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 13:25:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-12-18 13:25:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-12-18 13:25:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_interrupt [2021-12-18 13:25:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_interrupt [2021-12-18 13:25:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:25:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:25:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_bb_reg [2021-12-18 13:25:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_bb_reg [2021-12-18 13:25:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-12-18 13:25:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-12-18 13:25:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:25:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:25:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-12-18 13:25:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-12-18 13:25:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_deinit_sw_vars [2021-12-18 13:25:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_deinit_sw_vars [2021-12-18 13:25:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-12-18 13:25:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2021-12-18 13:25:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-12-18 13:25:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-12-18 13:25:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 13:25:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 13:25:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:25:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:25:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_is_fw_downloaded [2021-12-18 13:25:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_is_fw_downloaded [2021-12-18 13:25:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93___0 [2021-12-18 13:25:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93___0 [2021-12-18 13:25:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-12-18 13:25:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-12-18 13:25:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_polling [2021-12-18 13:25:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_polling [2021-12-18 13:25:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_led_control [2021-12-18 13:25:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_led_control [2021-12-18 13:25:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:25:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:25:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:25:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:25:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 13:25:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 13:25:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92ce_init_led [2021-12-18 13:25:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92ce_init_led [2021-12-18 13:25:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_watchdog [2021-12-18 13:25:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_watchdog [2021-12-18 13:25:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:25:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_llt_write [2021-12-18 13:25:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_llt_write [2021-12-18 13:25:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_stop_tx_beacon [2021-12-18 13:25:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_stop_tx_beacon [2021-12-18 13:25:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_firmware_selfreset [2021-12-18 13:25:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_firmware_selfreset [2021-12-18 13:25:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-12-18 13:25:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-12-18 13:25:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_query_rxpwrpercentage [2021-12-18 13:25:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_query_rxpwrpercentage [2021-12-18 13:25:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_write_dig [2021-12-18 13:25:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_write_dig [2021-12-18 13:25:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bw_mode [2021-12-18 13:25:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bw_mode [2021-12-18 13:25:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-12-18 13:25:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-12-18 13:25:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bb_reg [2021-12-18 13:25:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bb_reg [2021-12-18 13:25:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_lc_calibrate [2021-12-18 13:25:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_lc_calibrate [2021-12-18 13:25:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 13:25:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 13:25:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 13:25:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-12-18 13:25:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-12-18 13:25:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_simularity_compare [2021-12-18 13:25:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_simularity_compare [2021-12-18 13:25:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pimode_switch [2021-12-18 13:25:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pimode_switch [2021-12-18 13:25:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 13:25:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 13:25:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_powerdown_anotherphy [2021-12-18 13:25:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_powerdown_anotherphy [2021-12-18 13:25:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:25:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_update_bbrf_configuration [2021-12-18 13:25:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_update_bbrf_configuration [2021-12-18 13:25:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:25:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:25:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_mac_setting_calibration [2021-12-18 13:25:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_mac_setting_calibration [2021-12-18 13:25:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:25:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 13:25:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 13:25:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 13:25:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 13:25:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_hw_reg [2021-12-18 13:25:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_hw_reg [2021-12-18 13:25:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 13:25:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 13:25:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 13:25:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 13:25:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-18 13:25:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-18 13:25:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_power [2021-12-18 13:25:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_power [2021-12-18 13:25:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-12-18 13:25:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-12-18 13:25:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-12-18 13:25:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-12-18 13:25:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_suspend [2021-12-18 13:25:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_suspend [2021-12-18 13:25:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-12-18 13:25:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2021-12-18 13:25:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_hw_security_config [2021-12-18 13:25:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_hw_security_config [2021-12-18 13:25:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_config_rf_with_headerfile [2021-12-18 13:25:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_config_rf_with_headerfile [2021-12-18 13:25:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_check_bssid [2021-12-18 13:25:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_check_bssid [2021-12-18 13:25:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_media_status [2021-12-18 13:25:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_media_status [2021-12-18 13:25:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_fill_h2c_cmd [2021-12-18 13:25:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_fill_h2c_cmd [2021-12-18 13:25:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-12-18 13:25:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-12-18 13:25:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl92de_module_exit_6_2 [2021-12-18 13:25:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl92de_module_exit_6_2 [2021-12-18 13:25:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:25:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 13:25:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 13:25:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:25:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:25:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 13:25:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 13:25:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 13:25:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 13:25:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_related_registers [2021-12-18 13:25:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_related_registers [2021-12-18 13:25:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:25:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:25:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:25:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 13:25:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 13:25:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:25:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 13:25:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:25:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:25:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:25:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:25:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_lc_calibrate [2021-12-18 13:25:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_lc_calibrate [2021-12-18 13:25:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:25:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:25:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_iq_calibrate [2021-12-18 13:25:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_iq_calibrate [2021-12-18 13:25:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 13:25:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 13:25:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_disable_interrupt [2021-12-18 13:25:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_disable_interrupt [2021-12-18 13:25:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-12-18 13:25:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl [2021-12-18 13:25:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_desc [2021-12-18 13:25:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_desc [2021-12-18 13:25:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 13:25:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 13:25:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_fw_page_write [2021-12-18 13:25:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_fw_page_write [2021-12-18 13:25:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-12-18 13:25:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-12-18 13:25:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-12-18 13:25:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_power_and_efuse [2021-12-18 13:25:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88___0 [2021-12-18 13:25:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88___0 [2021-12-18 13:25:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:25:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:25:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_txpower_level [2021-12-18 13:25:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_txpower_level [2021-12-18 13:25:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_fill_cmddesc [2021-12-18 13:25:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_fill_cmddesc [2021-12-18 13:25:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-12-18 13:25:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-12-18 13:25:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 13:25:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 13:25:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:25:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:25:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_on [2021-12-18 13:25:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_on [2021-12-18 13:25:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_reset_iqk_result [2021-12-18 13:25:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_reset_iqk_result [2021-12-18 13:25:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-12-18 13:25:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-12-18 13:25:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 13:25:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 13:25:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_resume_tx_beacon [2021-12-18 13:25:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_resume_tx_beacon [2021-12-18 13:25:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-12-18 13:25:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-12-18 13:25:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 13:25:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 13:25:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_check_fw_read_last_h2c [2021-12-18 13:25:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_check_fw_read_last_h2c [2021-12-18 13:25:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_init_sw_vars [2021-12-18 13:25:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_init_sw_vars [2021-12-18 13:25:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-18 13:25:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-18 13:25:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-12-18 13:25:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-12-18 13:25:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-12-18 13:25:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-12-18 13:25:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 13:25:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 13:25:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 13:25:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 13:25:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-12-18 13:25:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-12-18 13:25:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 13:25:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 13:25:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-12-18 13:25:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2021-12-18 13:25:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_enable_rf_env [2021-12-18 13:25:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_enable_rf_env [2021-12-18 13:25:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_mac_registers [2021-12-18 13:25:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_mac_registers [2021-12-18 13:25:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:25:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_restore_rf_env [2021-12-18 13:25:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_restore_rf_env [2021-12-18 13:25:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_iq_calibrate [2021-12-18 13:25:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_iq_calibrate [2021-12-18 13:25:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:25:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_resume [2021-12-18 13:25:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_resume [2021-12-18 13:25:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_get_rightchnlplace_for_iqk [2021-12-18 13:25:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_get_rightchnlplace_for_iqk [2021-12-18 13:25:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-18 13:25:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-18 13:25:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:25:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_eeprom_info [2021-12-18 13:25:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_eeprom_info [2021-12-18 13:25:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:25:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:25:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 13:25:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 13:25:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_rf_serial_read [2021-12-18 13:25:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_rf_serial_read [2021-12-18 13:25:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-12-18 13:25:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_ps_lock_of_rtl_locks [2021-12-18 13:25:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___2 [2021-12-18 13:25:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___2 [2021-12-18 13:25:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-12-18 13:25:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-12-18 13:25:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-12-18 13:25:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-12-18 13:25:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-12-18 13:25:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-12-18 13:25:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:25:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:25:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-12-18 13:25:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_globalmutex_for_fwdownload [2021-12-18 13:25:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 13:25:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 13:25:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_off [2021-12-18 13:25:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_off [2021-12-18 13:25:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-12-18 13:25:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-12-18 13:25:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-18 13:25:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-18 13:25:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_poweroff_adapter [2021-12-18 13:25:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_poweroff_adapter [2021-12-18 13:25:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-12-18 13:25:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-12-18 13:25:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-18 13:25:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-18 13:25:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_path_adda_on [2021-12-18 13:25:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_path_adda_on [2021-12-18 13:25:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-12-18 13:25:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-12-18 13:25:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calculate_bit_shift [2021-12-18 13:25:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calculate_bit_shift [2021-12-18 13:25:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 13:25:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 13:25:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_channel_access_setting [2021-12-18 13:25:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_channel_access_setting [2021-12-18 13:25:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_mac_registers [2021-12-18 13:25:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_mac_registers [2021-12-18 13:25:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_adda_registers [2021-12-18 13:25:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_adda_registers [2021-12-18 13:25:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_switch_wirelessband [2021-12-18 13:25:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_switch_wirelessband [2021-12-18 13:25:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_hw_init [2021-12-18 13:25:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_hw_init [2021-12-18 13:25:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calc_curvindex [2021-12-18 13:25:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calc_curvindex [2021-12-18 13:25:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_interval [2021-12-18 13:25:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_interval [2021-12-18 13:25:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:25:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-12-18 13:25:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cck_and_rw_pagea_lock_of_rtl_locks [2021-12-18 13:25:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_hw_reg [2021-12-18 13:25:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_hw_reg [2021-12-18 13:25:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_bcn_ctrl_reg [2021-12-18 13:25:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_bcn_ctrl_reg [2021-12-18 13:25:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:25:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:25:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-12-18 13:25:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-12-18 13:25:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_qos [2021-12-18 13:25:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_qos [2021-12-18 13:25:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_linked_set_reg [2021-12-18 13:25:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_linked_set_reg [2021-12-18 13:25:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl [2021-12-18 13:25:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl [2021-12-18 13:25:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_init_edca_turbo [2021-12-18 13:25:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_init_edca_turbo [2021-12-18 13:25:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_dword_dbi [2021-12-18 13:25:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_dword_dbi [2021-12-18 13:25:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-12-18 13:25:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-12-18 13:25:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_interrupt_mask [2021-12-18 13:25:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_interrupt_mask [2021-12-18 13:25:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 13:25:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 13:25:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_enable_fw_download [2021-12-18 13:25:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_enable_fw_download [2021-12-18 13:25:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_init_sw_leds [2021-12-18 13:25:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_init_sw_leds [2021-12-18 13:25:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_rf_reg [2021-12-18 13:25:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_rf_reg [2021-12-18 13:25:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 13:25:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 13:25:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-18 13:25:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-18 13:25:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_adda_registers [2021-12-18 13:25:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_adda_registers [2021-12-18 13:25:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:25:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:25:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_card_disable [2021-12-18 13:25:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_card_disable [2021-12-18 13:25:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_config_bb_with_headerfile [2021-12-18 13:25:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_config_bb_with_headerfile [2021-12-18 13:25:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-12-18 13:25:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-12-18 13:25:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_signal_scale_mapping [2021-12-18 13:25:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_signal_scale_mapping [2021-12-18 13:25:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_enable_anotherphy [2021-12-18 13:25:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_enable_anotherphy [2021-12-18 13:25:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90___0 [2021-12-18 13:25:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90___0 [2021-12-18 13:25:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:25:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-12-18 13:25:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-12-18 13:25:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_write_dword_dbi [2021-12-18 13:25:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_write_dword_dbi [2021-12-18 13:25:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:25:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:25:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-12-18 13:25:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_patha_fill_iqk_matrix [2021-12-18 13:25:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-12-18 13:25:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl___0 [2021-12-18 13:25:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-12-18 13:25:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl___0 [2021-12-18 13:25:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 13:25:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 13:25:45,612 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:25:45,617 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:25:52,438 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:26:49,348 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:26:49,665 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:26:49,698 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:26:49,699 INFO L301 CfgBuilder]: Removed 19 assume(true) statements. [2021-12-18 13:26:49,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:26:49 BoogieIcfgContainer [2021-12-18 13:26:49,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:26:49,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:26:49,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:26:49,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:26:49,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:25:32" (1/3) ... [2021-12-18 13:26:49,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c05df37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:26:49, skipping insertion in model container [2021-12-18 13:26:49,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:41" (2/3) ... [2021-12-18 13:26:49,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c05df37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:26:49, skipping insertion in model container [2021-12-18 13:26:49,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:26:49" (3/3) ... [2021-12-18 13:26:49,717 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2021-12-18 13:26:49,724 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:26:49,727 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-18 13:26:49,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:26:49,797 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 13:26:49,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-18 13:26:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 8500 states, 5712 states have (on average 1.3704481792717087) internal successors, (7828), 5909 states have internal predecessors, (7828), 2625 states have call successors, (2625), 173 states have call predecessors, (2625), 172 states have return successors, (2616), 2525 states have call predecessors, (2616), 2616 states have call successors, (2616) [2021-12-18 13:26:49,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-12-18 13:26:49,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:26:49,937 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:26:49,937 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:26:49,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:26:49,942 INFO L85 PathProgramCache]: Analyzing trace with hash 626836426, now seen corresponding path program 1 times [2021-12-18 13:26:49,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:26:49,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551170061] [2021-12-18 13:26:49,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:26:49,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:26:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:26:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:26:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:26:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:26:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:26:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:26:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:26:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:26:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:26:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:26:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:26:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:26:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:26:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:26:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:26:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:26:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:26:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:26:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:26:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:26:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:26:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:26:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:26:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:26:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:26:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:26:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:26:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 13:26:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 13:26:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-12-18 13:26:51,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:26:51,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551170061] [2021-12-18 13:26:51,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551170061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:26:51,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:26:51,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:26:51,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792064339] [2021-12-18 13:26:51,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:26:51,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:26:51,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:26:51,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:26:51,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:26:51,965 INFO L87 Difference]: Start difference. First operand has 8500 states, 5712 states have (on average 1.3704481792717087) internal successors, (7828), 5909 states have internal predecessors, (7828), 2625 states have call successors, (2625), 173 states have call predecessors, (2625), 172 states have return successors, (2616), 2525 states have call predecessors, (2616), 2616 states have call successors, (2616) Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 13:26:54,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:59,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:01,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:04,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:06,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:10,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:12,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:14,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:17,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:25,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:30,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:31,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:27:31,304 INFO L93 Difference]: Finished difference Result 14284 states and 22066 transitions. [2021-12-18 13:27:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:27:31,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 334 [2021-12-18 13:27:31,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:27:31,377 INFO L225 Difference]: With dead ends: 14284 [2021-12-18 13:27:31,378 INFO L226 Difference]: Without dead ends: 7395 [2021-12-18 13:27:31,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:27:31,438 INFO L933 BasicCegarLoop]: 9313 mSDtfsCounter, 6038 mSDsluCounter, 10722 mSDsCounter, 0 mSdLazyCounter, 4026 mSolverCounterSat, 3226 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6989 SdHoareTripleChecker+Valid, 20035 SdHoareTripleChecker+Invalid, 7263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3226 IncrementalHoareTripleChecker+Valid, 4026 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:27:31,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6989 Valid, 20035 Invalid, 7263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3226 Valid, 4026 Invalid, 11 Unknown, 0 Unchecked, 38.3s Time] [2021-12-18 13:27:31,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7395 states. [2021-12-18 13:27:32,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7395 to 7277. [2021-12-18 13:27:32,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7277 states, 5258 states have (on average 1.3489920121719285) internal successors, (7093), 5366 states have internal predecessors, (7093), 1801 states have call successors, (1801), 216 states have call predecessors, (1801), 216 states have return successors, (1801), 1743 states have call predecessors, (1801), 1801 states have call successors, (1801) [2021-12-18 13:27:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7277 states to 7277 states and 10695 transitions. [2021-12-18 13:27:32,098 INFO L78 Accepts]: Start accepts. Automaton has 7277 states and 10695 transitions. Word has length 334 [2021-12-18 13:27:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:27:32,103 INFO L470 AbstractCegarLoop]: Abstraction has 7277 states and 10695 transitions. [2021-12-18 13:27:32,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 13:27:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 7277 states and 10695 transitions. [2021-12-18 13:27:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-12-18 13:27:32,112 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:27:32,112 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:27:32,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:27:32,113 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:27:32,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:27:32,114 INFO L85 PathProgramCache]: Analyzing trace with hash 140244208, now seen corresponding path program 1 times [2021-12-18 13:27:32,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:27:32,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295555453] [2021-12-18 13:27:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:27:32,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:27:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:27:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:27:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:27:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:27:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:27:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:27:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:27:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:27:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:27:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:27:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:27:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:27:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:27:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:27:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:27:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:27:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:27:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:27:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:27:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:27:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:27:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:27:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:27:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:27:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:27:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:27:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:27:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 13:27:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-12-18 13:27:33,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:27:33,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295555453] [2021-12-18 13:27:33,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295555453] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:27:33,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:27:33,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:27:33,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048865384] [2021-12-18 13:27:33,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:27:33,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:27:33,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:27:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:27:33,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:27:33,542 INFO L87 Difference]: Start difference. First operand 7277 states and 10695 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 13:27:36,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:40,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:42,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:44,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:52,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:54,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:57,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:01,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:06,386 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 [] [2021-12-18 13:28:06,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:06,881 INFO L93 Difference]: Finished difference Result 21755 states and 32085 transitions. [2021-12-18 13:28:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:28:06,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 333 [2021-12-18 13:28:06,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:06,976 INFO L225 Difference]: With dead ends: 21755 [2021-12-18 13:28:06,976 INFO L226 Difference]: Without dead ends: 14535 [2021-12-18 13:28:07,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:28:07,012 INFO L933 BasicCegarLoop]: 7499 mSDtfsCounter, 7565 mSDsluCounter, 9322 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 3085 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8619 SdHoareTripleChecker+Valid, 16821 SdHoareTripleChecker+Invalid, 6575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3085 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:07,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8619 Valid, 16821 Invalid, 6575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3085 Valid, 3481 Invalid, 9 Unknown, 0 Unchecked, 32.6s Time] [2021-12-18 13:28:07,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14535 states. [2021-12-18 13:28:07,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14535 to 14310. [2021-12-18 13:28:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14310 states, 10355 states have (on average 1.3489135683244808) internal successors, (13968), 10572 states have internal predecessors, (13968), 3527 states have call successors, (3527), 426 states have call predecessors, (3527), 426 states have return successors, (3527), 3409 states have call predecessors, (3527), 3527 states have call successors, (3527) [2021-12-18 13:28:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14310 states to 14310 states and 21022 transitions. [2021-12-18 13:28:07,888 INFO L78 Accepts]: Start accepts. Automaton has 14310 states and 21022 transitions. Word has length 333 [2021-12-18 13:28:07,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:07,890 INFO L470 AbstractCegarLoop]: Abstraction has 14310 states and 21022 transitions. [2021-12-18 13:28:07,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 13:28:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 14310 states and 21022 transitions. [2021-12-18 13:28:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-12-18 13:28:07,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:07,898 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:28:07,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:28:07,899 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:28:07,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1585552478, now seen corresponding path program 1 times [2021-12-18 13:28:07,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:07,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275892501] [2021-12-18 13:28:07,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:07,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:28:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:28:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:28:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:28:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:28:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:28:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:28:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:28:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:28:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:28:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:28:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:28:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:28:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:28:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:28:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:28:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 13:28:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-12-18 13:28:09,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:09,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275892501] [2021-12-18 13:28:09,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275892501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:09,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:09,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:28:09,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301664726] [2021-12-18 13:28:09,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:09,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:28:09,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:09,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:28:09,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:28:09,291 INFO L87 Difference]: Start difference. First operand 14310 states and 21022 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 13:28:12,205 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 [] [2021-12-18 13:28:16,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:20,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:22,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:24,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:26,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:37,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:38,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:38,355 INFO L93 Difference]: Finished difference Result 40572 states and 59797 transitions. [2021-12-18 13:28:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:28:38,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 334 [2021-12-18 13:28:38,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:38,496 INFO L225 Difference]: With dead ends: 40572 [2021-12-18 13:28:38,496 INFO L226 Difference]: Without dead ends: 26319 [2021-12-18 13:28:38,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:28:38,570 INFO L933 BasicCegarLoop]: 9125 mSDtfsCounter, 7059 mSDsluCounter, 10188 mSDsCounter, 0 mSdLazyCounter, 3584 mSolverCounterSat, 2736 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8100 SdHoareTripleChecker+Valid, 19313 SdHoareTripleChecker+Invalid, 6327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2736 IncrementalHoareTripleChecker+Valid, 3584 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:38,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8100 Valid, 19313 Invalid, 6327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2736 Valid, 3584 Invalid, 7 Unknown, 0 Unchecked, 28.2s Time] [2021-12-18 13:28:38,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26319 states. [2021-12-18 13:28:39,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26319 to 25880. [2021-12-18 13:28:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25880 states, 18717 states have (on average 1.3487204145963563) internal successors, (25244), 19118 states have internal predecessors, (25244), 6380 states have call successors, (6380), 781 states have call predecessors, (6380), 781 states have return successors, (6380), 6159 states have call predecessors, (6380), 6380 states have call successors, (6380) [2021-12-18 13:28:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25880 states to 25880 states and 38004 transitions. [2021-12-18 13:28:40,200 INFO L78 Accepts]: Start accepts. Automaton has 25880 states and 38004 transitions. Word has length 334 [2021-12-18 13:28:40,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:40,201 INFO L470 AbstractCegarLoop]: Abstraction has 25880 states and 38004 transitions. [2021-12-18 13:28:40,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 13:28:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 25880 states and 38004 transitions. [2021-12-18 13:28:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-18 13:28:40,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:40,209 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 26, 26, 26, 26, 26, 26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:28:40,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:28:40,210 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:28:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:40,210 INFO L85 PathProgramCache]: Analyzing trace with hash -911864373, now seen corresponding path program 1 times [2021-12-18 13:28:40,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:40,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833541541] [2021-12-18 13:28:40,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:40,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:28:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:28:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:28:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:28:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:28:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:28:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:28:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:28:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:28:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:28:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:28:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:28:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:28:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:28:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:28:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:28:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 13:28:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 13:28:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:28:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 13:28:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3087 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3084 trivial. 0 not checked. [2021-12-18 13:28:41,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:41,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833541541] [2021-12-18 13:28:41,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833541541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:41,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:41,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:28:41,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291637284] [2021-12-18 13:28:41,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:41,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:28:41,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:41,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:28:41,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:28:41,427 INFO L87 Difference]: Start difference. First operand 25880 states and 38004 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 13:28:44,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:47,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:49,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:54,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:00,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:02,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:29:02,674 INFO L93 Difference]: Finished difference Result 55117 states and 80873 transitions. [2021-12-18 13:29:02,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:29:02,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 355 [2021-12-18 13:29:02,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:29:02,826 INFO L225 Difference]: With dead ends: 55117 [2021-12-18 13:29:02,826 INFO L226 Difference]: Without dead ends: 29294 [2021-12-18 13:29:02,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:29:02,916 INFO L933 BasicCegarLoop]: 7258 mSDtfsCounter, 4525 mSDsluCounter, 9310 mSDsCounter, 0 mSdLazyCounter, 2962 mSolverCounterSat, 2100 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5258 SdHoareTripleChecker+Valid, 16568 SdHoareTripleChecker+Invalid, 5067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2100 IncrementalHoareTripleChecker+Valid, 2962 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:29:02,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5258 Valid, 16568 Invalid, 5067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2100 Valid, 2962 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2021-12-18 13:29:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29294 states. [2021-12-18 13:29:04,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29294 to 28769. [2021-12-18 13:29:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28769 states, 20821 states have (on average 1.3449882330339562) internal successors, (28004), 21264 states have internal predecessors, (28004), 7028 states have call successors, (7028), 918 states have call predecessors, (7028), 918 states have return successors, (7028), 6782 states have call predecessors, (7028), 7028 states have call successors, (7028) [2021-12-18 13:29:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28769 states to 28769 states and 42060 transitions. [2021-12-18 13:29:04,199 INFO L78 Accepts]: Start accepts. Automaton has 28769 states and 42060 transitions. Word has length 355 [2021-12-18 13:29:04,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:29:04,200 INFO L470 AbstractCegarLoop]: Abstraction has 28769 states and 42060 transitions. [2021-12-18 13:29:04,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 13:29:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 28769 states and 42060 transitions. [2021-12-18 13:29:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-18 13:29:04,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:29:04,207 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 26, 26, 26, 26, 26, 26, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:29:04,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 13:29:04,207 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:29:04,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:29:04,208 INFO L85 PathProgramCache]: Analyzing trace with hash -86740779, now seen corresponding path program 1 times [2021-12-18 13:29:04,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:29:04,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371264254] [2021-12-18 13:29:04,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:29:04,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:29:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:29:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:29:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:29:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:29:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:29:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:29:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:29:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:29:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:29:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:29:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:29:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:29:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:29:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:29:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:29:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:29:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:29:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:29:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:29:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:29:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:29:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:29:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:29:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:29:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:29:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:29:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:29:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 13:29:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 13:29:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-18 13:29:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3090 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3084 trivial. 0 not checked. [2021-12-18 13:29:05,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:29:05,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371264254] [2021-12-18 13:29:05,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371264254] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:29:05,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:29:05,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:29:05,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316444184] [2021-12-18 13:29:05,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:29:05,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:29:05,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:29:05,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:29:05,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:29:05,505 INFO L87 Difference]: Start difference. First operand 28769 states and 42060 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 13:29:08,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:12,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:15,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:17,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:20,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:22,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:24,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:32,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:34,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:29:34,829 INFO L93 Difference]: Finished difference Result 80912 states and 118625 transitions. [2021-12-18 13:29:34,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:29:34,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 358 [2021-12-18 13:29:34,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:29:35,105 INFO L225 Difference]: With dead ends: 80912 [2021-12-18 13:29:35,105 INFO L226 Difference]: Without dead ends: 52200 [2021-12-18 13:29:35,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:29:35,220 INFO L933 BasicCegarLoop]: 8293 mSDtfsCounter, 7538 mSDsluCounter, 9884 mSDsCounter, 0 mSdLazyCounter, 3469 mSolverCounterSat, 2913 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8597 SdHoareTripleChecker+Valid, 18177 SdHoareTripleChecker+Invalid, 6390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2913 IncrementalHoareTripleChecker+Valid, 3469 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:29:35,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8597 Valid, 18177 Invalid, 6390 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2913 Valid, 3469 Invalid, 8 Unknown, 0 Unchecked, 27.9s Time] [2021-12-18 13:29:35,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52200 states. [2021-12-18 13:29:37,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52200 to 51375. [2021-12-18 13:29:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51375 states, 37199 states have (on average 1.3456544530766956) internal successors, (50057), 38008 states have internal predecessors, (50057), 12567 states have call successors, (12567), 1607 states have call predecessors, (12567), 1607 states have return successors, (12567), 12117 states have call predecessors, (12567), 12567 states have call successors, (12567) [2021-12-18 13:29:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51375 states to 51375 states and 75191 transitions. [2021-12-18 13:29:37,702 INFO L78 Accepts]: Start accepts. Automaton has 51375 states and 75191 transitions. Word has length 358 [2021-12-18 13:29:37,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:29:37,704 INFO L470 AbstractCegarLoop]: Abstraction has 51375 states and 75191 transitions. [2021-12-18 13:29:37,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 13:29:37,704 INFO L276 IsEmpty]: Start isEmpty. Operand 51375 states and 75191 transitions. [2021-12-18 13:29:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-18 13:29:37,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:29:37,713 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:29:37,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 13:29:37,713 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:29:37,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:29:37,714 INFO L85 PathProgramCache]: Analyzing trace with hash -822628037, now seen corresponding path program 1 times [2021-12-18 13:29:37,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:29:37,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502016092] [2021-12-18 13:29:37,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:29:37,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:29:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:29:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:29:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:29:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:29:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:29:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:29:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:29:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:29:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:29:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:29:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:29:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:29:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:29:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:29:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:29:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:29:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:29:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:29:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:29:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:29:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:29:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:29:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:29:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:29:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:29:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:29:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:29:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 13:29:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 13:29:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 13:29:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:29:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 13:29:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 13:29:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 13:29:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 13:29:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 13:29:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 13:29:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 13:29:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 13:29:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 13:29:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 13:29:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3300 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3297 trivial. 0 not checked. [2021-12-18 13:29:39,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:29:39,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502016092] [2021-12-18 13:29:39,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502016092] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:29:39,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:29:39,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:29:39,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424689732] [2021-12-18 13:29:39,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:29:39,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:29:39,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:29:39,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:29:39,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:29:39,352 INFO L87 Difference]: Start difference. First operand 51375 states and 75191 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 13:29:42,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:46,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:49,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:52,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:54,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:57,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:59,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:08,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:10,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:12,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:30:12,082 INFO L93 Difference]: Finished difference Result 126945 states and 186188 transitions. [2021-12-18 13:30:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:30:12,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 429 [2021-12-18 13:30:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:30:12,642 INFO L225 Difference]: With dead ends: 126945 [2021-12-18 13:30:12,642 INFO L226 Difference]: Without dead ends: 75720 [2021-12-18 13:30:12,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:30:12,768 INFO L933 BasicCegarLoop]: 7631 mSDtfsCounter, 7553 mSDsluCounter, 9421 mSDsCounter, 0 mSdLazyCounter, 3482 mSolverCounterSat, 3069 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8605 SdHoareTripleChecker+Valid, 17052 SdHoareTripleChecker+Invalid, 6560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3069 IncrementalHoareTripleChecker+Valid, 3482 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:30:12,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8605 Valid, 17052 Invalid, 6560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3069 Valid, 3482 Invalid, 9 Unknown, 0 Unchecked, 30.9s Time] [2021-12-18 13:30:12,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75720 states. [2021-12-18 13:30:15,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75720 to 74531. [2021-12-18 13:30:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74531 states, 54004 states have (on average 1.3458447522405748) internal successors, (72681), 55181 states have internal predecessors, (72681), 18203 states have call successors, (18203), 2322 states have call predecessors, (18203), 2322 states have return successors, (18203), 17547 states have call predecessors, (18203), 18203 states have call successors, (18203) [2021-12-18 13:30:15,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74531 states to 74531 states and 109087 transitions. [2021-12-18 13:30:15,925 INFO L78 Accepts]: Start accepts. Automaton has 74531 states and 109087 transitions. Word has length 429 [2021-12-18 13:30:15,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:30:15,926 INFO L470 AbstractCegarLoop]: Abstraction has 74531 states and 109087 transitions. [2021-12-18 13:30:15,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 13:30:15,927 INFO L276 IsEmpty]: Start isEmpty. Operand 74531 states and 109087 transitions. [2021-12-18 13:30:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-12-18 13:30:15,937 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:30:15,937 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 26, 26, 26, 26, 26, 26, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:30:15,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 13:30:15,938 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:30:15,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:30:15,938 INFO L85 PathProgramCache]: Analyzing trace with hash 486128164, now seen corresponding path program 1 times [2021-12-18 13:30:15,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:30:15,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374357682] [2021-12-18 13:30:15,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:30:15,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:30:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:16,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:30:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:30:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:30:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:30:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:30:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:30:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:30:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:30:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:30:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:30:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:30:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:30:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:30:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:30:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:30:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:30:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:30:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:30:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:30:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:30:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:30:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:30:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:30:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:30:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:30:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:30:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:30:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 13:30:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 13:30:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 13:30:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:30:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 13:30:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 13:30:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 13:30:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 13:30:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 13:30:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 13:30:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:30:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 13:30:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 13:30:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 13:30:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 13:30:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 13:30:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 13:30:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:30:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3387 trivial. 0 not checked. [2021-12-18 13:30:17,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:30:17,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374357682] [2021-12-18 13:30:17,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374357682] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:30:17,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:30:17,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:30:17,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808463772] [2021-12-18 13:30:17,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:30:17,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:30:17,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:30:17,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:30:17,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:30:17,631 INFO L87 Difference]: Start difference. First operand 74531 states and 109087 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 13:30:20,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:24,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:27,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:29,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:35,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:37,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:40,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:45,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:49,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:50,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:30:50,980 INFO L93 Difference]: Finished difference Result 224002 states and 328670 transitions. [2021-12-18 13:30:50,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:30:50,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 443 [2021-12-18 13:30:50,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:30:52,066 INFO L225 Difference]: With dead ends: 224002 [2021-12-18 13:30:52,066 INFO L226 Difference]: Without dead ends: 149621 [2021-12-18 13:30:52,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:30:52,288 INFO L933 BasicCegarLoop]: 13077 mSDtfsCounter, 6561 mSDsluCounter, 12721 mSDsCounter, 0 mSdLazyCounter, 3534 mSolverCounterSat, 1962 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7616 SdHoareTripleChecker+Valid, 25798 SdHoareTripleChecker+Invalid, 5505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1962 IncrementalHoareTripleChecker+Valid, 3534 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2021-12-18 13:30:52,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7616 Valid, 25798 Invalid, 5505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1962 Valid, 3534 Invalid, 9 Unknown, 0 Unchecked, 30.2s Time] [2021-12-18 13:30:52,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149621 states. [2021-12-18 13:30:58,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149621 to 147268. [2021-12-18 13:30:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147268 states, 106844 states have (on average 1.3473007375238666) internal successors, (143951), 109133 states have internal predecessors, (143951), 35899 states have call successors, (35899), 4523 states have call predecessors, (35899), 4523 states have return successors, (35899), 34651 states have call predecessors, (35899), 35899 states have call successors, (35899) [2021-12-18 13:30:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147268 states to 147268 states and 215749 transitions. [2021-12-18 13:30:59,587 INFO L78 Accepts]: Start accepts. Automaton has 147268 states and 215749 transitions. Word has length 443 [2021-12-18 13:30:59,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:30:59,588 INFO L470 AbstractCegarLoop]: Abstraction has 147268 states and 215749 transitions. [2021-12-18 13:30:59,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 13:30:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 147268 states and 215749 transitions. [2021-12-18 13:30:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-12-18 13:30:59,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:30:59,601 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 26, 26, 26, 26, 26, 26, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:30:59,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 13:30:59,601 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:30:59,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:30:59,601 INFO L85 PathProgramCache]: Analyzing trace with hash -245839262, now seen corresponding path program 1 times [2021-12-18 13:30:59,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:30:59,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631782698] [2021-12-18 13:30:59,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:30:59,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:30:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:31:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:31:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:31:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:31:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:31:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:31:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:31:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:31:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:31:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:31:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:31:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:31:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:31:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:31:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:31:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:31:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:31:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:31:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:31:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:31:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:31:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:31:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:31:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:31:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:31:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:31:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:31:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 13:31:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 13:31:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 13:31:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:31:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 13:31:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 13:31:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 13:31:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 13:31:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 13:31:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 13:31:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 13:31:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 13:31:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 13:31:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 13:31:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 13:31:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 13:31:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3387 trivial. 0 not checked. [2021-12-18 13:31:01,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:31:01,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631782698] [2021-12-18 13:31:01,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631782698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:31:01,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:31:01,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:31:01,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850997039] [2021-12-18 13:31:01,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:31:01,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:31:01,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:31:01,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:31:01,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:31:01,084 INFO L87 Difference]: Start difference. First operand 147268 states and 215749 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 13:31:04,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:08,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:11,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:13,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:17,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:19,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:24,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:29,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:34,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:36,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:31:36,395 INFO L93 Difference]: Finished difference Result 370668 states and 543947 transitions. [2021-12-18 13:31:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:31:36,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 443 [2021-12-18 13:31:36,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:31:38,007 INFO L225 Difference]: With dead ends: 370668 [2021-12-18 13:31:38,007 INFO L226 Difference]: Without dead ends: 223240 [2021-12-18 13:31:38,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:31:38,653 INFO L933 BasicCegarLoop]: 12971 mSDtfsCounter, 6571 mSDsluCounter, 12660 mSDsCounter, 0 mSdLazyCounter, 3533 mSolverCounterSat, 1985 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7625 SdHoareTripleChecker+Valid, 25631 SdHoareTripleChecker+Invalid, 5527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1985 IncrementalHoareTripleChecker+Valid, 3533 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:31:38,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7625 Valid, 25631 Invalid, 5527 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1985 Valid, 3533 Invalid, 9 Unknown, 0 Unchecked, 30.0s Time] [2021-12-18 13:31:38,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223240 states. [2021-12-18 13:31:47,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223240 to 219715. [2021-12-18 13:31:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219715 states, 159400 states have (on average 1.3481994981179424) internal successors, (214903), 162801 states have internal predecessors, (214903), 53592 states have call successors, (53592), 6721 states have call predecessors, (53592), 6721 states have return successors, (53592), 51752 states have call predecessors, (53592), 53592 states have call successors, (53592) [2021-12-18 13:31:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219715 states to 219715 states and 322087 transitions. [2021-12-18 13:31:49,539 INFO L78 Accepts]: Start accepts. Automaton has 219715 states and 322087 transitions. Word has length 443 [2021-12-18 13:31:49,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:31:49,540 INFO L470 AbstractCegarLoop]: Abstraction has 219715 states and 322087 transitions. [2021-12-18 13:31:49,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 13:31:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 219715 states and 322087 transitions. [2021-12-18 13:31:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2021-12-18 13:31:49,549 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:31:49,549 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 26, 26, 26, 26, 26, 26, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:31:49,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 13:31:49,549 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl92d_init_sw_varsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:31:49,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:31:49,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1462759252, now seen corresponding path program 1 times [2021-12-18 13:31:49,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:31:49,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085529124] [2021-12-18 13:31:49,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:31:49,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:31:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:31:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:31:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:31:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:31:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:31:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:31:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:31:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:31:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:31:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:31:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:31:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:31:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:31:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:31:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:31:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:31:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:31:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:31:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:31:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:31:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:31:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:31:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:31:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:31:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:31:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:31:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 13:31:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 13:31:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 13:31:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 13:31:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:31:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 13:31:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 13:31:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 13:31:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 13:31:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 13:31:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 13:31:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:31:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 13:31:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 13:31:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 13:31:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 13:31:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 13:31:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 13:31:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 13:31:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 13:31:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 13:31:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:31:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3633 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 3603 trivial. 0 not checked. [2021-12-18 13:31:51,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:31:51,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085529124] [2021-12-18 13:31:51,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085529124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:31:51,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:31:51,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:31:51,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044454714] [2021-12-18 13:31:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:31:51,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:31:51,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:31:51,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:31:51,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:31:51,252 INFO L87 Difference]: Start difference. First operand 219715 states and 322087 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:31:54,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:31:59,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:32:02,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:32:04,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:32:15,647 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 [] [2021-12-18 13:32:20,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:32:20,394 INFO L93 Difference]: Finished difference Result 516590 states and 758291 transitions. [2021-12-18 13:32:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:32:20,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 469 [2021-12-18 13:32:20,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted.