./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:33:42,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:33:42,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:33:42,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:33:42,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:33:42,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:33:42,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:33:42,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:33:42,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:33:42,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:33:42,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:33:42,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:33:42,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:33:42,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:33:42,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:33:42,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:33:42,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:33:42,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:33:42,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:33:42,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:33:42,866 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:33:42,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:33:42,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:33:42,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:33:42,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:33:42,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:33:42,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:33:42,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:33:42,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:33:42,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:33:42,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:33:42,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:33:42,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:33:42,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:33:42,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:33:42,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:33:42,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:33:42,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:33:42,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:33:42,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:33:42,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:33:42,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:33:42,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:33:42,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:33:42,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:33:42,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:33:42,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:33:42,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:33:42,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:33:42,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:33:42,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:33:42,942 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:33:42,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:33:42,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:33:42,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:33:42,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:33:42,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:33:42,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:33:42,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:33:42,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:33:42,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:33:42,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:33:42,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:33:42,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:33:42,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:33:42,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:33:42,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:33:42,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:33:42,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:33:42,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:33:42,947 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:33:42,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:33:42,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:33:42,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e [2022-07-23 01:33:43,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:33:43,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:33:43,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:33:43,212 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:33:43,212 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:33:43,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2022-07-23 01:33:43,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89e7997a/0ae2d49d91f3400586e3fd775ee87450/FLAGf27ff6827 [2022-07-23 01:33:43,954 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:33:43,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2022-07-23 01:33:43,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89e7997a/0ae2d49d91f3400586e3fd775ee87450/FLAGf27ff6827 [2022-07-23 01:33:44,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a89e7997a/0ae2d49d91f3400586e3fd775ee87450 [2022-07-23 01:33:44,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:33:44,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:33:44,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:33:44,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:33:44,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:33:44,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:33:44" (1/1) ... [2022-07-23 01:33:44,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198e968c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:44, skipping insertion in model container [2022-07-23 01:33:44,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:33:44" (1/1) ... [2022-07-23 01:33:44,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:33:44,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:33:45,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2022-07-23 01:33:45,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:33:45,282 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:33:45,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2022-07-23 01:33:45,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:33:45,577 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:33:45,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45 WrapperNode [2022-07-23 01:33:45,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:33:45,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:33:45,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:33:45,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:33:45,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,764 INFO L137 Inliner]: procedures = 151, calls = 691, calls flagged for inlining = 70, calls inlined = 67, statements flattened = 1814 [2022-07-23 01:33:45,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:33:45,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:33:45,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:33:45,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:33:45,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:33:45,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:33:45,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:33:45,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:33:45,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (1/1) ... [2022-07-23 01:33:45,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:33:45,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:33:45,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 01:33:46,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 01:33:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2022-07-23 01:33:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2022-07-23 01:33:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-07-23 01:33:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-07-23 01:33:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2022-07-23 01:33:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2022-07-23 01:33:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:33:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:33:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:33:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:33:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:33:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 01:33:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 01:33:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:33:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:33:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2022-07-23 01:33:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2022-07-23 01:33:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2022-07-23 01:33:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2022-07-23 01:33:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:33:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:33:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:33:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:33:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:33:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:33:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:33:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:33:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2022-07-23 01:33:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2022-07-23 01:33:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:33:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2022-07-23 01:33:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2022-07-23 01:33:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:33:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:33:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2022-07-23 01:33:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2022-07-23 01:33:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:33:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:33:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:33:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:33:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:33:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:33:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2022-07-23 01:33:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2022-07-23 01:33:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:33:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2022-07-23 01:33:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2022-07-23 01:33:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:33:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:33:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:33:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 01:33:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 01:33:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-23 01:33:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-23 01:33:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 01:33:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 01:33:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:33:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 01:33:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 01:33:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2022-07-23 01:33:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2022-07-23 01:33:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 01:33:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 01:33:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:33:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:33:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:33:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:33:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2022-07-23 01:33:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2022-07-23 01:33:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2022-07-23 01:33:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2022-07-23 01:33:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:33:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:33:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 01:33:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 01:33:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 01:33:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 01:33:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:33:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:33:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 01:33:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 01:33:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:33:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:33:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2022-07-23 01:33:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2022-07-23 01:33:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:33:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:33:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:33:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:33:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:33:46,514 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:33:46,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:33:47,180 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:33:47,936 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:33:47,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:33:47,948 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:33:47,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:33:47 BoogieIcfgContainer [2022-07-23 01:33:47,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:33:47,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:33:47,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:33:47,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:33:47,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:33:44" (1/3) ... [2022-07-23 01:33:47,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed17f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:33:47, skipping insertion in model container [2022-07-23 01:33:47,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:33:45" (2/3) ... [2022-07-23 01:33:47,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed17f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:33:47, skipping insertion in model container [2022-07-23 01:33:47,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:33:47" (3/3) ... [2022-07-23 01:33:47,958 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2022-07-23 01:33:47,971 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:33:47,971 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:33:48,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:33:48,056 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@14015a53, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@27e7c2b3 [2022-07-23 01:33:48,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:33:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 785 states, 522 states have (on average 1.4003831417624522) internal successors, (731), 537 states have internal predecessors, (731), 223 states have call successors, (223), 39 states have call predecessors, (223), 38 states have return successors, (218), 216 states have call predecessors, (218), 218 states have call successors, (218) [2022-07-23 01:33:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-23 01:33:48,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:33:48,111 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:33:48,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:33:48,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:33:48,117 INFO L85 PathProgramCache]: Analyzing trace with hash -140074241, now seen corresponding path program 1 times [2022-07-23 01:33:48,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:33:48,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154808712] [2022-07-23 01:33:48,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:33:48,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:33:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:33:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:33:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:33:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:33:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:33:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 01:33:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 01:33:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 01:33:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:33:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:33:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:33:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 01:33:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:33:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:33:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 01:33:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:33:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:33:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:33:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 01:33:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:33:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:33:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:33:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:33:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:33:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:33:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:33:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 01:33:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:33:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:33:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:33:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 01:33:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:33:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:33:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 01:33:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:33:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:33:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:33:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:33:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:33:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:33:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:33:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:33:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:33:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 01:33:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:33:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:33:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-23 01:33:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 01:33:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 01:33:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:33:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:33:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:33:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:33:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:33:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:33:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2455 trivial. 0 not checked. [2022-07-23 01:33:49,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:33:49,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154808712] [2022-07-23 01:33:49,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154808712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:33:49,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:33:49,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 01:33:49,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484858425] [2022-07-23 01:33:49,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:33:49,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 01:33:49,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:33:49,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 01:33:49,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:33:49,456 INFO L87 Difference]: Start difference. First operand has 785 states, 522 states have (on average 1.4003831417624522) internal successors, (731), 537 states have internal predecessors, (731), 223 states have call successors, (223), 39 states have call predecessors, (223), 38 states have return successors, (218), 216 states have call predecessors, (218), 218 states have call successors, (218) Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 01:33:53,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:33:53,519 INFO L93 Difference]: Finished difference Result 1787 states and 2819 transitions. [2022-07-23 01:33:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 01:33:53,522 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 331 [2022-07-23 01:33:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:33:53,544 INFO L225 Difference]: With dead ends: 1787 [2022-07-23 01:33:53,545 INFO L226 Difference]: Without dead ends: 985 [2022-07-23 01:33:53,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2022-07-23 01:33:53,568 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 2033 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 2677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2677 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:33:53,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 2224 Invalid, 4007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2677 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 01:33:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2022-07-23 01:33:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 763. [2022-07-23 01:33:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 509 states have (on average 1.306483300589391) internal successors, (665), 517 states have internal predecessors, (665), 216 states have call successors, (216), 38 states have call predecessors, (216), 37 states have return successors, (215), 213 states have call predecessors, (215), 215 states have call successors, (215) [2022-07-23 01:33:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1096 transitions. [2022-07-23 01:33:53,696 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1096 transitions. Word has length 331 [2022-07-23 01:33:53,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:33:53,697 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 1096 transitions. [2022-07-23 01:33:53,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 01:33:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1096 transitions. [2022-07-23 01:33:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-23 01:33:53,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:33:53,708 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:33:53,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:33:53,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:33:53,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:33:53,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1422424152, now seen corresponding path program 1 times [2022-07-23 01:33:53,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:33:53,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562362529] [2022-07-23 01:33:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:33:53,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:33:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:33:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:33:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:33:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:33:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:33:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 01:33:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 01:33:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 01:33:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:33:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:33:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:33:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:33:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:33:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:33:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-23 01:33:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:33:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:33:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:33:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:33:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:33:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:33:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 01:33:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:33:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:33:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:33:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:33:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:33:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:33:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:33:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:33:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:33:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:33:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:33:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 01:33:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:33:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:33:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:33:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:33:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:33:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 01:33:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 01:33:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:33:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:33:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:33:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:33:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:33:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:33:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:33:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:33:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-23 01:33:54,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:33:54,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562362529] [2022-07-23 01:33:54,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562362529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:33:54,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:33:54,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 01:33:54,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524919737] [2022-07-23 01:33:54,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:33:54,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:33:54,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:33:54,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:33:54,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:33:54,410 INFO L87 Difference]: Start difference. First operand 763 states and 1096 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:01,231 INFO L93 Difference]: Finished difference Result 2608 states and 3796 transitions. [2022-07-23 01:34:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 01:34:01,232 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 305 [2022-07-23 01:34:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:01,249 INFO L225 Difference]: With dead ends: 2608 [2022-07-23 01:34:01,250 INFO L226 Difference]: Without dead ends: 1855 [2022-07-23 01:34:01,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-23 01:34:01,258 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 3975 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 4482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4079 SdHoareTripleChecker+Valid, 3172 SdHoareTripleChecker+Invalid, 9164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4482 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:01,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4079 Valid, 3172 Invalid, 9164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4482 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-23 01:34:01,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-23 01:34:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1510. [2022-07-23 01:34:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1005 states have (on average 1.3044776119402985) internal successors, (1311), 1025 states have internal predecessors, (1311), 429 states have call successors, (429), 76 states have call predecessors, (429), 75 states have return successors, (428), 420 states have call predecessors, (428), 428 states have call successors, (428) [2022-07-23 01:34:01,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2168 transitions. [2022-07-23 01:34:01,390 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2168 transitions. Word has length 305 [2022-07-23 01:34:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:01,391 INFO L495 AbstractCegarLoop]: Abstraction has 1510 states and 2168 transitions. [2022-07-23 01:34:01,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2168 transitions. [2022-07-23 01:34:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-23 01:34:01,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:01,407 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:01,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:34:01,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:01,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:01,409 INFO L85 PathProgramCache]: Analyzing trace with hash 270151189, now seen corresponding path program 1 times [2022-07-23 01:34:01,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:01,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123322086] [2022-07-23 01:34:01,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:01,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 01:34:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 01:34:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 01:34:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 01:34:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 01:34:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 01:34:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 01:34:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:34:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 01:34:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 01:34:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:34:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-23 01:34:01,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:01,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123322086] [2022-07-23 01:34:01,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123322086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:01,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:34:01,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 01:34:01,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066407563] [2022-07-23 01:34:01,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:01,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:34:01,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:01,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:34:01,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:34:01,965 INFO L87 Difference]: Start difference. First operand 1510 states and 2168 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:09,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:09,030 INFO L93 Difference]: Finished difference Result 5195 states and 7552 transitions. [2022-07-23 01:34:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 01:34:09,031 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 307 [2022-07-23 01:34:09,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:09,064 INFO L225 Difference]: With dead ends: 5195 [2022-07-23 01:34:09,065 INFO L226 Difference]: Without dead ends: 3695 [2022-07-23 01:34:09,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-23 01:34:09,078 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 3425 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 5334 mSolverCounterSat, 3746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 9080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3746 IncrementalHoareTripleChecker+Valid, 5334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:09,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3529 Valid, 3634 Invalid, 9080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3746 Valid, 5334 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-23 01:34:09,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3695 states. [2022-07-23 01:34:09,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3695 to 3010. [2022-07-23 01:34:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2004 states have (on average 1.3028942115768463) internal successors, (2611), 2043 states have internal predecessors, (2611), 854 states have call successors, (854), 152 states have call predecessors, (854), 151 states have return successors, (853), 838 states have call predecessors, (853), 853 states have call successors, (853) [2022-07-23 01:34:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4318 transitions. [2022-07-23 01:34:09,353 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4318 transitions. Word has length 307 [2022-07-23 01:34:09,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:09,354 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4318 transitions. [2022-07-23 01:34:09,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4318 transitions. [2022-07-23 01:34:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-23 01:34:09,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:09,372 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:09,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:34:09,372 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:09,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash 556408911, now seen corresponding path program 1 times [2022-07-23 01:34:09,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:09,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887447223] [2022-07-23 01:34:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:09,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 01:34:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 01:34:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 01:34:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 01:34:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-23 01:34:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 01:34:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 01:34:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:34:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:34:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 01:34:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 01:34:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-23 01:34:09,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:09,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887447223] [2022-07-23 01:34:09,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887447223] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:09,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:34:09,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 01:34:09,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84228732] [2022-07-23 01:34:09,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:09,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:34:09,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:09,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:34:09,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:34:09,825 INFO L87 Difference]: Start difference. First operand 3010 states and 4318 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:16,072 INFO L93 Difference]: Finished difference Result 10379 states and 15063 transitions. [2022-07-23 01:34:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 01:34:16,072 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 306 [2022-07-23 01:34:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:16,122 INFO L225 Difference]: With dead ends: 10379 [2022-07-23 01:34:16,122 INFO L226 Difference]: Without dead ends: 7379 [2022-07-23 01:34:16,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-23 01:34:16,147 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 4064 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 4507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 8965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4507 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:16,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 3263 Invalid, 8965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4507 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-23 01:34:16,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-23 01:34:16,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6012. [2022-07-23 01:34:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6012 states, 4004 states have (on average 1.300949050949051) internal successors, (5209), 4080 states have internal predecessors, (5209), 1703 states have call successors, (1703), 305 states have call predecessors, (1703), 304 states have return successors, (1702), 1674 states have call predecessors, (1702), 1702 states have call successors, (1702) [2022-07-23 01:34:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6012 states to 6012 states and 8614 transitions. [2022-07-23 01:34:16,669 INFO L78 Accepts]: Start accepts. Automaton has 6012 states and 8614 transitions. Word has length 306 [2022-07-23 01:34:16,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:16,671 INFO L495 AbstractCegarLoop]: Abstraction has 6012 states and 8614 transitions. [2022-07-23 01:34:16,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 6012 states and 8614 transitions. [2022-07-23 01:34:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-23 01:34:16,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:16,692 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:16,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:34:16,693 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:16,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:16,694 INFO L85 PathProgramCache]: Analyzing trace with hash 776507372, now seen corresponding path program 1 times [2022-07-23 01:34:16,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:16,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093241215] [2022-07-23 01:34:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:34:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 01:34:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:34:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 01:34:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 01:34:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 01:34:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 01:34:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 01:34:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 01:34:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 01:34:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 01:34:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-23 01:34:17,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:17,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093241215] [2022-07-23 01:34:17,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093241215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:17,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:34:17,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 01:34:17,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630767504] [2022-07-23 01:34:17,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:17,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:34:17,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:17,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:34:17,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:34:17,181 INFO L87 Difference]: Start difference. First operand 6012 states and 8614 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:23,417 INFO L93 Difference]: Finished difference Result 20438 states and 29583 transitions. [2022-07-23 01:34:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 01:34:23,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 308 [2022-07-23 01:34:23,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:23,535 INFO L225 Difference]: With dead ends: 20438 [2022-07-23 01:34:23,535 INFO L226 Difference]: Without dead ends: 14436 [2022-07-23 01:34:23,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-23 01:34:23,581 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 4073 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 4446 mSolverCounterSat, 4574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4177 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 9020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4574 IncrementalHoareTripleChecker+Valid, 4446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:23,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4177 Valid, 3078 Invalid, 9020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4574 Valid, 4446 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-23 01:34:23,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14436 states. [2022-07-23 01:34:24,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14436 to 11837. [2022-07-23 01:34:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11837 states, 7892 states have (on average 1.2986568677141408) internal successors, (10249), 8035 states have internal predecessors, (10249), 3336 states have call successors, (3336), 609 states have call predecessors, (3336), 608 states have return successors, (3335), 3285 states have call predecessors, (3335), 3335 states have call successors, (3335) [2022-07-23 01:34:24,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11837 states to 11837 states and 16920 transitions. [2022-07-23 01:34:24,590 INFO L78 Accepts]: Start accepts. Automaton has 11837 states and 16920 transitions. Word has length 308 [2022-07-23 01:34:24,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:24,591 INFO L495 AbstractCegarLoop]: Abstraction has 11837 states and 16920 transitions. [2022-07-23 01:34:24,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:34:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 11837 states and 16920 transitions. [2022-07-23 01:34:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-23 01:34:24,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:24,615 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:24,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 01:34:24,615 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:24,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:24,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1938592578, now seen corresponding path program 1 times [2022-07-23 01:34:24,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:24,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766111354] [2022-07-23 01:34:24,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:24,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 01:34:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 01:34:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 01:34:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-23 01:34:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 01:34:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 01:34:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 01:34:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 01:34:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:34:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 01:34:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:34:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 01:34:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 01:34:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 01:34:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 01:34:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 01:34:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 01:34:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 01:34:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2022-07-23 01:34:25,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:25,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766111354] [2022-07-23 01:34:25,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766111354] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:34:25,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579891582] [2022-07-23 01:34:25,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:25,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:34:25,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:34:25,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:34:25,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 01:34:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:25,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:34:25,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1162 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2022-07-23 01:34:26,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:34:26,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579891582] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:26,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:34:26,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-23 01:34:26,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818142339] [2022-07-23 01:34:26,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:26,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:34:26,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:26,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:34:26,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:34:26,151 INFO L87 Difference]: Start difference. First operand 11837 states and 16920 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-23 01:34:27,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:27,597 INFO L93 Difference]: Finished difference Result 35491 states and 51109 transitions. [2022-07-23 01:34:27,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:34:27,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 358 [2022-07-23 01:34:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:27,759 INFO L225 Difference]: With dead ends: 35491 [2022-07-23 01:34:27,760 INFO L226 Difference]: Without dead ends: 23664 [2022-07-23 01:34:27,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:34:27,842 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 956 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:27,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 3013 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:34:27,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23664 states. [2022-07-23 01:34:29,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23664 to 23661. [2022-07-23 01:34:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23661 states, 15775 states have (on average 1.287987321711569) internal successors, (20318), 16061 states have internal predecessors, (20318), 6669 states have call successors, (6669), 1217 states have call predecessors, (6669), 1216 states have return successors, (6762), 6568 states have call predecessors, (6762), 6668 states have call successors, (6762) [2022-07-23 01:34:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23661 states to 23661 states and 33749 transitions. [2022-07-23 01:34:29,647 INFO L78 Accepts]: Start accepts. Automaton has 23661 states and 33749 transitions. Word has length 358 [2022-07-23 01:34:29,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:29,648 INFO L495 AbstractCegarLoop]: Abstraction has 23661 states and 33749 transitions. [2022-07-23 01:34:29,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-23 01:34:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 23661 states and 33749 transitions. [2022-07-23 01:34:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-23 01:34:29,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:29,674 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:29,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-23 01:34:29,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-23 01:34:29,888 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:29,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash -722964028, now seen corresponding path program 1 times [2022-07-23 01:34:29,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:29,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236391665] [2022-07-23 01:34:29,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 01:34:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 01:34:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 01:34:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-23 01:34:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 01:34:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 01:34:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 01:34:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 01:34:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:34:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 01:34:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:34:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 01:34:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 01:34:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 01:34:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 01:34:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 01:34:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 01:34:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 01:34:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2022-07-23 01:34:30,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:30,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236391665] [2022-07-23 01:34:30,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236391665] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:34:30,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632477952] [2022-07-23 01:34:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:30,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:34:30,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:34:30,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:34:30,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 01:34:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:31,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:34:31,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1162 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2022-07-23 01:34:31,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:34:31,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632477952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:31,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:34:31,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-23 01:34:31,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47937848] [2022-07-23 01:34:31,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:31,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:34:31,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:31,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:34:31,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:34:31,518 INFO L87 Difference]: Start difference. First operand 23661 states and 33749 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-23 01:34:33,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:33,155 INFO L93 Difference]: Finished difference Result 56529 states and 80644 transitions. [2022-07-23 01:34:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:34:33,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 358 [2022-07-23 01:34:33,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:33,400 INFO L225 Difference]: With dead ends: 56529 [2022-07-23 01:34:33,400 INFO L226 Difference]: Without dead ends: 32878 [2022-07-23 01:34:33,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:34:33,542 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 978 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:33,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 2355 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:34:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32878 states. [2022-07-23 01:34:35,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32878 to 32875. [2022-07-23 01:34:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32875 states, 21963 states have (on average 1.2827027273141192) internal successors, (28172), 22317 states have internal predecessors, (28172), 9132 states have call successors, (9132), 1780 states have call predecessors, (9132), 1779 states have return successors, (9403), 9011 states have call predecessors, (9403), 9131 states have call successors, (9403) [2022-07-23 01:34:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32875 states to 32875 states and 46707 transitions. [2022-07-23 01:34:35,691 INFO L78 Accepts]: Start accepts. Automaton has 32875 states and 46707 transitions. Word has length 358 [2022-07-23 01:34:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:35,692 INFO L495 AbstractCegarLoop]: Abstraction has 32875 states and 46707 transitions. [2022-07-23 01:34:35,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-23 01:34:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 32875 states and 46707 transitions. [2022-07-23 01:34:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-23 01:34:35,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:35,709 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:35,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:34:35,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-23 01:34:35,936 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:35,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:35,937 INFO L85 PathProgramCache]: Analyzing trace with hash -802967613, now seen corresponding path program 1 times [2022-07-23 01:34:35,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:35,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946418248] [2022-07-23 01:34:35,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:35,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 01:34:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 01:34:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 01:34:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-23 01:34:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 01:34:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 01:34:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 01:34:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 01:34:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:34:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:34:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 01:34:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 01:34:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1713 trivial. 0 not checked. [2022-07-23 01:34:36,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:36,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946418248] [2022-07-23 01:34:36,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946418248] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:34:36,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680012639] [2022-07-23 01:34:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:34:36,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:34:36,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:34:36,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 01:34:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:37,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:34:37,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-23 01:34:37,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:34:37,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680012639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:37,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:34:37,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-07-23 01:34:37,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290378452] [2022-07-23 01:34:37,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:37,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:34:37,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:37,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:34:37,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2022-07-23 01:34:37,456 INFO L87 Difference]: Start difference. First operand 32875 states and 46707 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:34:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:40,201 INFO L93 Difference]: Finished difference Result 82531 states and 117191 transitions. [2022-07-23 01:34:40,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:34:40,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 317 [2022-07-23 01:34:40,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:40,553 INFO L225 Difference]: With dead ends: 82531 [2022-07-23 01:34:40,554 INFO L226 Difference]: Without dead ends: 49666 [2022-07-23 01:34:40,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2022-07-23 01:34:40,746 INFO L413 NwaCegarLoop]: 1586 mSDtfsCounter, 1115 mSDsluCounter, 7415 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 9001 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:40,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 9001 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:34:40,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49666 states. [2022-07-23 01:34:43,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49666 to 49309. [2022-07-23 01:34:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49309 states, 32985 states have (on average 1.283674397453388) internal successors, (42342), 33569 states have internal predecessors, (42342), 13613 states have call successors, (13613), 2659 states have call predecessors, (13613), 2710 states have return successors, (14120), 13428 states have call predecessors, (14120), 13612 states have call successors, (14120) [2022-07-23 01:34:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49309 states to 49309 states and 70075 transitions. [2022-07-23 01:34:43,949 INFO L78 Accepts]: Start accepts. Automaton has 49309 states and 70075 transitions. Word has length 317 [2022-07-23 01:34:43,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:43,950 INFO L495 AbstractCegarLoop]: Abstraction has 49309 states and 70075 transitions. [2022-07-23 01:34:43,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:34:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 49309 states and 70075 transitions. [2022-07-23 01:34:43,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-23 01:34:43,983 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:43,984 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:44,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:34:44,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:34:44,208 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:44,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1371994168, now seen corresponding path program 1 times [2022-07-23 01:34:44,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:44,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100835572] [2022-07-23 01:34:44,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:44,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 01:34:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 01:34:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 01:34:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 01:34:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 01:34:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 01:34:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 01:34:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:34:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 01:34:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:34:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:34:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 01:34:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 01:34:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 01:34:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 01:34:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:34:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 01:34:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 01:34:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-23 01:34:44,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:44,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100835572] [2022-07-23 01:34:44,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100835572] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:34:44,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802319840] [2022-07-23 01:34:44,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:44,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:34:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:34:44,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:34:44,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 01:34:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:45,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 2262 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:34:45,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-23 01:34:45,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:34:45,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802319840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:45,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:34:45,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2022-07-23 01:34:45,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48217269] [2022-07-23 01:34:45,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:45,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:34:45,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:45,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:34:45,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-23 01:34:45,305 INFO L87 Difference]: Start difference. First operand 49309 states and 70075 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 01:34:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:48,942 INFO L93 Difference]: Finished difference Result 115474 states and 163961 transitions. [2022-07-23 01:34:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:34:49,096 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 359 [2022-07-23 01:34:49,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:49,493 INFO L225 Difference]: With dead ends: 115474 [2022-07-23 01:34:49,493 INFO L226 Difference]: Without dead ends: 66175 [2022-07-23 01:34:49,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2022-07-23 01:34:49,690 INFO L413 NwaCegarLoop]: 1680 mSDtfsCounter, 1115 mSDsluCounter, 7779 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 9459 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:34:49,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 9459 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:34:49,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66175 states. [2022-07-23 01:34:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66175 to 65725. [2022-07-23 01:34:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65725 states, 43991 states have (on average 1.2842626900957015) internal successors, (56496), 44815 states have internal predecessors, (56496), 18094 states have call successors, (18094), 3538 states have call predecessors, (18094), 3639 states have return successors, (18801), 17833 states have call predecessors, (18801), 18093 states have call successors, (18801) [2022-07-23 01:34:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65725 states to 65725 states and 93391 transitions. [2022-07-23 01:34:53,699 INFO L78 Accepts]: Start accepts. Automaton has 65725 states and 93391 transitions. Word has length 359 [2022-07-23 01:34:53,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:34:53,700 INFO L495 AbstractCegarLoop]: Abstraction has 65725 states and 93391 transitions. [2022-07-23 01:34:53,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 01:34:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 65725 states and 93391 transitions. [2022-07-23 01:34:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-23 01:34:53,736 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:34:53,737 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:34:53,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:34:53,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:34:53,955 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:34:53,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:34:53,956 INFO L85 PathProgramCache]: Analyzing trace with hash 145093514, now seen corresponding path program 1 times [2022-07-23 01:34:53,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:34:53,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140892913] [2022-07-23 01:34:53,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:53,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:34:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:34:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:34:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 01:34:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-23 01:34:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:34:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 01:34:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 01:34:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 01:34:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:34:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 01:34:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:34:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:34:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:34:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:34:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 01:34:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:34:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:34:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:34:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:34:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 01:34:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 01:34:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 01:34:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:34:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:34:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:34:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:34:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:34:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:34:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-23 01:34:54,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:34:54,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140892913] [2022-07-23 01:34:54,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140892913] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:34:54,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983451320] [2022-07-23 01:34:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:34:54,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:34:54,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:34:54,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:34:54,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 01:34:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:34:55,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:34:55,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:34:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-23 01:34:55,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:34:55,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983451320] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:34:55,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:34:55,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-07-23 01:34:55,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832155696] [2022-07-23 01:34:55,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:34:55,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:34:55,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:34:55,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:34:55,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-07-23 01:34:55,295 INFO L87 Difference]: Start difference. First operand 65725 states and 93391 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:34:59,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:34:59,506 INFO L93 Difference]: Finished difference Result 148303 states and 210583 transitions. [2022-07-23 01:34:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:34:59,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 319 [2022-07-23 01:34:59,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:34:59,989 INFO L225 Difference]: With dead ends: 148303 [2022-07-23 01:34:59,990 INFO L226 Difference]: Without dead ends: 82588 [2022-07-23 01:35:00,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2022-07-23 01:35:00,466 INFO L413 NwaCegarLoop]: 1557 mSDtfsCounter, 1115 mSDsluCounter, 7287 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 8844 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:35:00,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 8844 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:35:00,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82588 states. [2022-07-23 01:35:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82588 to 65755. [2022-07-23 01:35:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65755 states, 44015 states have (on average 1.2841076905600364) internal successors, (56520), 44833 states have internal predecessors, (56520), 18094 states have call successors, (18094), 3538 states have call predecessors, (18094), 3645 states have return successors, (18810), 17845 states have call predecessors, (18810), 18093 states have call successors, (18810) [2022-07-23 01:35:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65755 states to 65755 states and 93424 transitions. [2022-07-23 01:35:04,503 INFO L78 Accepts]: Start accepts. Automaton has 65755 states and 93424 transitions. Word has length 319 [2022-07-23 01:35:04,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:35:04,504 INFO L495 AbstractCegarLoop]: Abstraction has 65755 states and 93424 transitions. [2022-07-23 01:35:04,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:35:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 65755 states and 93424 transitions. [2022-07-23 01:35:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-23 01:35:04,530 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:35:04,531 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:35:04,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:35:04,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-23 01:35:04,740 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:35:04,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:35:04,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1731321343, now seen corresponding path program 1 times [2022-07-23 01:35:04,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:35:04,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016140935] [2022-07-23 01:35:04,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:35:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:35:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:35:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:35:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:35:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:35:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-23 01:35:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 01:35:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 01:35:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 01:35:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:35:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:35:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:35:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:35:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:35:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:35:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:35:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 01:35:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:35:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:35:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:35:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:35:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:35:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:35:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:35:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:35:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:35:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:35:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:35:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 01:35:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:35:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 01:35:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:35:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 01:35:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 01:35:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 01:35:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 01:35:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:35:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:35:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:35:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:35:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:35:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:35:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:35:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 01:35:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:35:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 01:35:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 01:35:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 01:35:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 01:35:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:35:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 01:35:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 01:35:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 01:35:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 01:35:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 01:35:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:35:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:35:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:35:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-23 01:35:05,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:35:05,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016140935] [2022-07-23 01:35:05,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016140935] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:35:05,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022861750] [2022-07-23 01:35:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:35:05,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:35:05,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:35:05,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:35:05,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 01:35:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:35:05,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 01:35:05,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:35:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-23 01:35:05,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:35:05,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022861750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:35:05,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:35:05,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2022-07-23 01:35:05,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793300678] [2022-07-23 01:35:05,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:35:05,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:35:05,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:35:05,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:35:05,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-23 01:35:05,846 INFO L87 Difference]: Start difference. First operand 65755 states and 93424 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 01:35:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:35:10,058 INFO L93 Difference]: Finished difference Result 148357 states and 210640 transitions. [2022-07-23 01:35:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 01:35:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 361 [2022-07-23 01:35:10,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:35:10,464 INFO L225 Difference]: With dead ends: 148357 [2022-07-23 01:35:10,464 INFO L226 Difference]: Without dead ends: 82612 [2022-07-23 01:35:10,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2022-07-23 01:35:10,691 INFO L413 NwaCegarLoop]: 1608 mSDtfsCounter, 1115 mSDsluCounter, 7491 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 9099 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:35:10,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 9099 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:35:10,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82612 states.